FLYWHEEL HORSEPOWER 338 kW 454 HP @ 1800 rpm
STANDARD EQUIPMENT ENGINE AND RELATED ITEMS: Air cleaner, double element, dry Cooling fan, with fan guard Engine, Komatsu SAA6D140E-3 ELECTRICAL SYSTEM: Alternator, 50 amp, 24 V Batteries, 170 Ah, 2 x 12 V Starting motors, 11kW Working lights-2 boom, 2 cab top front, 1 cab bottom Step light with timer Auto decelerator UNDERCARRIAGE: 610 mm 24'' double grouser 8 track/3 carrier rollers (each side) Hydraulic track adjusters (each side) Variable track gauge Sealed track GUARDS AND COVERS: Dust-proof net for radiator and oil cooler Pump/engine room partition cover Travel motor guards OPERATOR ENVIRONMENT: Damper mount, all-weather, sound-suppressed cab with tinted safety glass windows, lockable door, intermittent window wiper and washer, floormat, cigarette lighter and ashtray Multi-function color monitor, electronically-controlled throttle dials, electric service meter, gauges (coolant temperature, hydraulic oil temperature and fuel level), caution lights (electric charge, engine oil pressure, and air cleaner clogging), indicator lights (engine preheating and swing lock light) level check lights (coolant, engine oil, and hydraulic oil level), self-diagnostic system with trouble data memory Seat, fully adjustable with suspension Cab with pull-up type front window Rear view mirror (R,H) HYDRAULIC CONTROLS: Fully hydraulic, with Electronic Open-Center Load-Sensing (EOLSS) and engine speed sensing (pump and engine mutual control system) One gear pump for control circuit Two axial piston motors for swing with single-stage relief valve One axial piston motor per track for travel with counter balance valve Two variable capacity piston pumps Two control valves, 5+4 spools (boom, arm, bucket, swing, and travel) Control levers, wrist control levers for arm, boom, bucket, and swing with PPC system Control levers and pedals for steering and travel with PPC system Oil cooler In-line filter Heavy lift mode system Shockless boom control Swing priority selection system Two-mode setting for boom DRIVE AND BRAKE SYSTEM: Brakes, hydraulic lock travel brakes, oil disc parking Hydrostatic two travel speed system with planetary triple reduction final drive OTHER STANDARD EQUIPMENT: Automatic swing holding brake Corrosion resister Counterweight, 9800 kg 21,610 lb Horn, electric Marks and plates, English Paint, Komatsu standard Large handrails One-touch engine oil drainage PM tune-up service connector Remote greasing for radiator fan drive
OPERATING WEIGHT PC750-7: kg 159,550 165,300 lb PC750SE-7: kg 161,310 167,060 lb
PC750-7 BACKHOE PC750SE-7 BACKHOE PC750-7 LOADING SHOVEL

HYDRAULIC EXCAVATOR

OPTIONAL EQUIPMENT Additional truck guard Alternator, 75 Amp, 24 V Arms (Backhoe): PC750-7: 3600 mm 11'10'' arm assembly 4600 mm 15'1'' arm assembly 5600 mm 18'4'' arm assembly PC750SE-7: 2945 mm 9'8'' SE arm assembly Auto air conditioner Automatic greasing Booms (Backhoe): PC750-7: 8200 mm 26'11'' boom assembly PC750SE-7: 7100 mm 23'4'' boom assembly Cab front guard (ISO 10262 level 2) Cab with fixed front window Catwalk Coolant heater Counterweight 12000 kg 26,450 lb Counterweight remover Double frange truck roller 12V electric supply Fire extinguisher Full length track guard General tool kit Grease gun, electric pump with indicator High cab mount Interconnected horn and warning light KOMTRAX Large-capacity batteries Loading shovel attachments Lower wiper OPG top guard Provision for fast fuel fill Radio AM/FM Rain visor Rear view mirror (L,H) Seat belt 78 mm 3'', 50 mm 2'' Shoes: 710 mm 28'' double grouser 810 mm 32'' double grouser 910 mm 36'' double grouser 1010 mm 40'' double grouser Spare parts for first service Strengthened revolving frame underguard Sun visor Track frame undercover (center) Travel alarm Vandalism protection locks

www.Komatsu.com

Printed in Japan 200801 IP. As(05)
Photo may include optional equipment.

CEN00301-01

Materials and specifications are subject to change without notice is a trademark of Komatsu Ltd. Japan

PC750-7

PC750-7 Series Hydraulic Excavator

WALK-AROUND WALK-AROUND

Productivity Features Large digging force
High operation efficiency with large digging force in rugged work sites The wide and shallow contour facilitates loading. The heavy lift mode increases the lifting force by 10%. The swing priority mode improves efficiency for loading dump trucks. Switch selection allows either powerful digging or smooth boom operation.

Harmony with Environment

Low emission engine Powerful turbocharged and air-to-air aftercooled Komatsu SAA6D140E-3 engine provides 338 kW 454 HP. See page 4.
FLYWHEEL HORSEPOWER 338 kW 454 HP @ 1800 rpm OPERATING WEIGHT PC750-74980 kg 159,500 165,300 lb PC750SE-75780 kg 161,310 167,060 lb

Large Comfortable Cab

Low noise and vibration with cab damper mounting Large-capacity cab with narrow corner posts provides improved visibility Large-capacity air conditioner (optional) Pressurized cab prevents external dust from entering See page 8.
Large size bucket Heavy lift mode
Easy Maintenance Excellent Reliability and Durability Shockless boom
Replacement interval is extended for new hydraulic filter. See page 7.
Switch selection reduces chassis vibration after sudden stops. the boom foot, improving hose life and safety.

Swing priority mode

Boom foot hoses are arranged under
performance, are used for the hydraulic hoses. See page 5,6.
Face seals, which have excellent sealing
Two-mode setting for boom
Fuel consumption is reduced 12%

with Economy Mode.

Large drawbar pull and steering force provide excellent mobility. Excellent Swing Performance
provides excellent swing performance on slope. See page 4,5.
Protected hydraulic circuit
The cool-running hydraulic system is protected with the most extensive filtration system available, including a high pressure in-line filter for each main pump.
Sturdy guards shield the travel motors against

damage from rocks.

Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed severe testing. - Controller - Sensors - Connectors - Heat resistant wiring See page 6.
Advanced monitor features Large handrail, step and catwalk
provide easy access to the engine and hydraulic equipment. See page 7. Machine condition can be checked with Equipment Management Monitoring System (EMMS). Two working modes combine with heavy lift mode for maximum productivity. See page 5.

PRODUCTIVITY PRODUCTIVITY FEATURES FEATURES
High Production and Low Fuel Consumption

Engine

The PC750-7 gets its exceptional power and work capacity from its Komatsu SAA6D140E-3 engine. Output is 338 kW 454 HP providing more hydraulic power. In addition, the fuel consumption is reduced by 12% when using Economy Mode.

Working Mode Selection

Hydraulics
Unique two-pump system assures smooth compound movement of the work equipment. OLSS (Open Center Load Sensing System) controls all pumps for efficient engine power use. This system also reduces hydraulic loss during operation.
Multi-Function Color Monitor
Excellent Machine Stability
The rear center of gravity and the 9.8 tonne 10.8 U.S. ton counterweight provides the stability and lifting capacity needed for maximum productivity.

Active and Economy mode

The PC750-7 excavator is equipped with two working modes. Each mode is designed to match engine speed, pump speed, and system pressure to the current application, giving the operator flexibility to match equipment performance to the job at hand.

Large Bucket Capacity

Large capacity bucket has large and shallow contour offers easy loading. PC750-7: 2.8 - 3.4 m3 3.66 - 4.45 yd3 PC750SE-7: 4.0 - 4.5 m3 5.23 - 5.89 yd3
Working Mode A E Application Active Mode Economy Mode Advantage Maximum production/power Fast cycle times Good cycle times Good fuel economy

Large Digging Force

Thanks to the high engine output and an excellent hydraulic system, this machine demonstrates powerful digging force.

Two Working Modes

Large Drawbar Pull and Steering Force
Since the machine has a large drawbar pull and a high steering force, it demonstrates excellent mobility even when it is being used on inclined sites. In addition, this machine is equipped with an automatic travel speed shifting system, which makes automatic Hi/Lo shifts.

Heavy Lift Mode

tank capacity (2750 ltr 726.6 U.S. gal)
Gives the operator 10% more lifting force on the boom when needed for handling rock or heavy lifting applications.

Swing Priority Mode

Excellent Swing Performance
Twin-swing motor system of PC750-7 provides excellent swing performance on slope.
Two Settings for the Boom
Smooth mode provides easy operation for gathering blasted rock and scraping operations. When maximum digging force is needed, switch to power mode for more effective excavating.

Boom raise

EMMS (Equipment Management Monitoring System)
1. Monitor Function Controller monitors engine oil level, coolant temperature, battery charge air-filter restriction, etc. The controller finds any abnormality and displays it on the LCD. 2. Maintenance Monitor Function informs replacement time of oil and filters on LCD when the replacement interval is reached. 3. Trouble Data Memory Function stores machine abnormalities (error codes) in the monitor for effective trouble shooting.

Smooth mode

Power mode

Swing Priority Setting

The swing priority setting allows the operator to use the same easy motion for 180 loading as 90 loading operations. By altering the oil flow, this setting allows you to select either boom or swing as the priority for increased production.

Selection ON OFF

Result
Oil flow to the swing motor is increased. 180loading operations are most efficient. Oil flow to the boom is increased. 90loading operations are most efficient.

Shockless Boom Control

The PC750-7 features a shockless valve (double-check slow return valve) that automatically reduces the amount of vibration present when operating the boom. Operator fatigue is reduced (which can improve safety and productivity), and spillage caused by vibration is prevented.

Extend and retract

RELIABILITY RELIABILITY FEATURES FEATURES
Excellent Reliability and Durability

Boom Foot Hoses

The boom foot hoses are arranged under the boom foot to reduce hose bend during operation, extending hose life and improving operator safety.
MAINTENANCE MAINTENANCE FEATURES FEATURES

Easy Maintenance

Komatsu designed the PC750-7 for easy service access.

Heat-Resistant Wiring

Heat-resistant wiring is utilized for the engine electric circuit and other major component circuits.
Sturdy Undercarriage Guard
The undercarriage is strengthened to provide excellent reliability and durability when working on rocky ground or blasted rock.

Wide Catwalk (optional)

Wide walkway for maintenance is provided around the engine and hydraulic components, allowing easy access to inspection and maintenance points.

Divided Type Engine Cover
The divided engine cover allows inspection points around the engine to be easily accessed.
Motorized Grease Gun Equipped with Hose Reel (optional)
Greasing is made easy with the electric motorized grease gun and indicator.

Circuit Breaker

With the circuit breaker, the machine can be easily restarted after repair.
Grease can drum storage location

O-Ring Face Seal

The hydraulic hose seal method has been changed from a conventional taper seal to an O-ring seal. This provides improved sealing performance during vibration.
Sturdy guards shield the travel motors and piping against damage from rocks.
Reduced Maintenance Costs
Hydraulic oil filter replacement is extended from 500 to 1000 hours.
Grease gun The grease gun can be reached from ground level. Indicator
High-pressure In-Line Filtration
The PC750-7 has the most extensive filtration system available, providing in-line filters as standard equipment. An in-line filter in the outlet port of each main hydraulic pump reduces failures caused by contamination. Track roller guard (full length) (optional) DT-type connectors seal tight and have higher reliability.
KOMTRAX System (optional)
The KOMTRAX system monitors machine condition, operating status, operating location, etc., and provides timely notification of any machine problems. Since data is transmitted via satellite communication system, secure data communication is possible from any operating site including a quarry or a mine, further improving machine reliability. (There are some countries where this feature is not in service. Please consult

Metal Guard Rings

Metal guard rings protect all the hydraulic cylinders and improve reliability.
Komatsu distributor for availability.)
WORKING WORKING ENVIRONMENT ENVIRONMENT
The cab interior is spacious and provides a
comfortable working environment

Superb Visibility

The PC750-7s large capacity cab and increased glass area provide superb front visibility.

Low Noise Design

The noise levels at the operators ear are decreased by improving the cab mounts and cab sealing performance.

Cab Mounts

The new cab damper mounting reduces vibration and noise at operators seat.

Multi-Position Controls

The multi-position, pressure proportional control levers allow the operator to work in comfort while maintaining precise control. A double-slide mechanism allows the seat and controllers to move together or independently, allowing the operator to position the controllers for maximum productivity and comfort.

Rubber Spring

Silicon Oil

Suspension seat

The suspension seat has been improved to reduce and absorb vibration transmitted to the operator. Rigidity adjustment, fore and aft sliding, as well as up and down adjustment is available to accommodate the body-build of operators.
Seat belt shown in photo is optional.

Safety Features

Seat with headrest fully reclined

Pressurized Cab

The optional air conditioner, air filter, and a higher internal air pressure (6 mm Aq 0.24" in Aq) prevent external dust from entering the cab. Cab with fixed front window (optional) Internal air pressure : 10 mm Aq 0.39" in Aq
Engine/pump room partition
Engine/pump room partition prevents oil from spraying on the engine if a hydraulic hose should burst. Horn interconnected with warning light (optional) give visual and audible notice of the excavators operation when activated. Step light with timer provides light for about one minute to allow the operator to get off the machine safely. Thermal guards are placed around high-temperature parts of the engine and accessory drive. Large handrails (standard) and wide catwalk (optional) are provided around revolving frame for easier and safer access to engine and hydraulic components.
Automatic Air Conditioner (optional)
A 6,900 kcal air conditioner is utilized. The bi-level control function keeps the operator's head and feet cool and warm respectively. This improved air flow function keeps the inside of the cab comfortable throughout the year.
SPECIFICATIONS SPECIFICATIONS & EQUIPMENTIP & EQUIPMENTIP
ENGINE Model. Komatsu SAA6D140E-3 Type. 4-cycle, water-cooled, direct injection Aspiration. Turbocharged and air-to-air aftercooled Number of cylinders. 6 Bore. 140 mm 5.51" Stroke. 165 mm 6.50" Piston displacement. 15.24 ltr 930 in3 Flywheel horsepower. 338 kW 454 HP @ 1800 rpm (SAE J1349) Governor. All-speed, electronic DRIVES AND BRAKES Steering control. Two levers with pedals Drive method. Fully hydrostatic Travel motor. Axial piston motor, in-shoe design Reduction system. Planetary double reduction Maximum drawbar pull. 559kN 57000 kg 125,660 lb Gradability. 70% Maximum travel speed Low. 2.8 km/h 1.7 mph High. 4.2 km/h 2.6 mph Service brake. Hydraulic lock Parking brake. Oil disc brake

BACKHOE DIMENSIONS

B 4245 13'11" R=4300 14'1" 3195 10'6"
1560 5'1" 3445 11'4" 4000 13'1"
4500 14'9" 5810 19'1"

50 2.0"

3560 11'8"
PC750-7 8.2 m 26'11" boom 3.6 m 11'10" arm A Overall Height B Overall Length 4660 mm 15'3" 14305 mm 46'11" 4.6 m 15'1" arm 5970 mm 19'7" 13955 mm 45'9" 5.6 m 18'4" arm 6560 mm 21'6" 13530 mm 44'5"
PC750SE-7 7.1 m 23'4" boom 2.9 m 9'8" arm 4615 mm 15'2" 13030 mm 42'9"
610 24" 3500 11'6" 4110 13'6" 3390 11'1" When retracted
HYDRAULIC SYSTEM Type. Open-center load-sensing system Number of selectable working modes. 2 Main pump: Type. Variable-capacity piston pumps Pumps for. Boom, arm, bucket, swing, and travel circuits Maximum flow: Main. 2 x 494 ltr/min 2 x 130.5 U.S. gpm Sub-pump for control circuit. Gear pump Hydraulic motors: Travel. 2 x axial piston motor with parking brake Swing. 2 x axial piston motor with swing holding brake Relief valve setting: Implement circuits. 31.4 MPa Travel circuit. 34.3 MPa Swing circuit. 28.4 MPa Heavy lift circuit. 34.3 MPa Pilot circuit. 2.9 MPa 320 kg/cmkg/cmkg/cmkg/cmkg/cm2 4,550 psi 4,980 psi 4,120 psi 4,980 psi 430 psi
UNDERCARRIAGE Center frame. H-leg frame Track frame. Box-section Track chain. Sealed Track adjuster. Hydraulic No. of shoes. 47 each side No. of carrier rollers. 3 each side No. of track rollers. 8 each side COOLANT AND LUBRICANT CAPACITY

(REFILLING)

WORKING RANGE

840 2'9"

Unit: mm ft in
PC750-7 Boom length Arm length A B C Max. digging height Max. dumping height Max. digging depth 3600 mm 11840 mm 8145 mm 8600 mm 5575 mm 8445 mm 13740 mm 13460 mm 6060 mm 11'10" 38'10" 26'7" 28'3" 18'3" 27'8" 45'1" 44'2" 19'11" 8200 mm 26'11" 4600 mm 12000 mm 8295 mm 9590 mm 6575 mm 9455 mm 14575 mm 14310 mm 6085 mm 15'1" 39'4" 27'3" 31'6" 21'7" 31'0" 47'1" 46'1" 20'0" 5600 mm 12690 mm 8890 mm 10595 mm 7920 mm 10500 mm 15635 mm 15385 mm 6100 mm 18'4" 41'8" 29'2" 34'9" 26'0" 34'5" 51'4" 50'6" 20'0"
PC750SE-mm 2945 mm 11330 mm 7525 mm 7130 mm 4080 mm 23'4" 9'8" 37'2" 24'8" 23'5" 13'5"
Fuel tank. 880 ltr 232.5 U.S. gal Radiator. 85 ltr 22.5 U.S. gal Engine. 55 ltr 14.5 U.S. gal Final drive, each side. 20 ltr 5.3 U.S. gal Swing drive. 24.5 x 2 ltr 6.5 x 2 U.S. gal Hydraulic tank. 440 ltr 116.2 U.S. gal

D Max. vertical wall digging depth E F Max. digging depth of cut for 8' level Max. digging reach
6980 mm 22'11" 12265 mm 11945 mm 5645 mm 40'3" 39'2" 18'6"
G Max. digging reach at ground level H Min. swing radius

OPERATING WEIGHT

(APPROXIMATE)
Hydraulic cylinders: Number of cylindersbore x stroke Boom. mm x 1950 mm Arm Std. mm x 2250 mm SE. mm x 1610 mm Bucket Std. mm x 1610 mm SE. mm x 1420 mm
7.9" x 76.8" 7.9" x 88.6" 7.3" x 63.4" 7.3" x 63.4" 8.9" x 55.9"
PC750-7: Operating weight, including 8200 mm 26'11" boom, 3600 mm 11'10" arm, SAE heaped 3.1 m3 4.05 yd3 backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment. PC750SE-7: Operating weight, including 7100 mm 23'4" boom, 2945 mm 9'8" arm, SAE heaped 4.0 m3 5.23 yd3 backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment. PC750-7 Operating Ground Weight Pressure 118 kPa 72370 kg 1.20 kgf/cm2 159,550 lb 17.1 psi 102 kPa 73170 kg 1.04 kgf/cm2 161,310 lb 14.8 psi 90.2 kPa 73700 kg 0.92 kgf/cm2 162,480 lb 13.1 psi 81.4 kPa 74340 kg 0.83 kgf/cm2 163,890 lb 11.8 psi 73.5 kPa 74980 kg 0.75 kgf/cm2 165,300 lb 10.7 psi PC750SE-7 Operating Ground Weight Pressure 120 kPa 73170 kg 1.22 kgf/cm2 161,310 lb 17.3 psi 104 kPa kg 1.06 kgf/cm 163,070 lb 15.1 psi 91.2 kPa 74500 kg 0.93 kgf/cm2 164,240 lb 13.2 psi 82.4 kPa kg 0.84 kgf/cm 165,650 lb 11.9 psi 74.5 kPa 75780 kg 0.76 kgf/cm2 167,060 lb 10.8 psi
296 kN 296 kN 296 kN 391 kN Bucket digging force (SAE) 30200 kgf / 66,580 lb 30200 kgf / 66,580 lb 30200 kgf / 66,580 lb 39900 kgf / 87,960 lb Arm crowd force (SAE) Bucket digging force (ISO) Arm crowd force (ISO) 237 kN 214 kN 181 kN 331 kN 24200 kgf / 53,350 lb 21800 kgf / 48,060 lb 18500 kgf / 40,790 lb 33800 kgf / 74,520 lb 333 kN 333 kN 333 kN 431 kN 34000 kgf / 74,960 lb 34000 kgf / 74,960 lb 34000 kgf / 74,960 lb 43900 kgf / 96,780 lb 250 kN 222 kN 183 kN 341 kN 25500 kgf / 56,220 lb 22600 kgf / 49,820 lb 19100 kgf / 42,110 lb 34800 kgf / 76,720 lb
BACKHOE BUCKET, ARM, AND BOOM COMBINATION
BUCKET CAPACITY (HEAPED) SAE, PCSA m3 yd3 2.8 3.1 3.4 4.0 4.3 4.5 3.66 4.05 4.45 5.23 5.62 5.89 CECE m3 yd3 2.5 2.8 3.0 3.5 3.8 4.0 3.27 3.66 3.92 4.58 4.97 5.23 WIDTH Without Side shrouds, Side cutters mm in 51.0" 66.9" 71.7" 78.7" 84.6" 91.9" With Side shrouds, Side cutters mm in 66.7" 72.6" 75.6" 82.8" 88.7" 91.7" WEIGHT (with side cutters) kg lb 3.6 11'10" 6,040 6,530 7,720 7,570 8,530 8,930 ARM LENGTH m ft in 4.6 15'1" 5.6 18'4"
Shoes SWING SYSTEM Driven method. Hydraulic motor Swing reduction. Planetary gear Swing circle lubrication. Grease-bathed Swing lock. Oil disc brake Swing speed. 6.8 rpm 610 mm 24" 710 mm 28" 810 mm 32" 910 mm 36" 1010 mm 40"

PC750-7 (use with 8.2 m boom)

2.9 9'8"

PC750SE-7 (use with 7.1 m boom)
These charts are based on over-side stability with fully loaded bucket at maximum reach. : General purpose use, density up to 1.8 t/m3 3,000 lb/yd3 : General purpose use, density up to 1.5 t/m3 2,500 lb/yd3 : Not useable
LOADING SHOVEL DIMENSIONS LIFTING CAPACITY
9865 32'4" 4245 13'11" R=4300 14'1" 5640 18'6"

3195 10'6"

Equipment: Boom: 8.2 m 26'11" Arm: 3.6 m 11'10" Bucket: 3.1 m3 4.05 yd3 with Heavy Lift On

A: B: C: Cf: Cs: :

Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach

Unit: kg lb

HEAVY LIFTING "OFF"
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *9350 *20,21,21,26,500 *14350 *31,600 Maximum Cs 8650 19,16,16,20,000 *14350 *31,600 Cf *12950 *28,32,30,29,800 9.0 m 29' Cs 12700 28,25,23,22,600 Cf *15150 *33,400 *18450 *40,40,40,300 7.5 m 24' Cs *15150 *33,32,31,30,500 Cf *18900 *41,700 *25700 *56,59,300 *24850 *54,800 *17000 *37,500 6.0 m 19' Cs *18900 *41,48,44,44,500 *17000 *37,500 *29350 *64,700 *29350 *64,700 *21350 *47,100 Cf 4.5 m 14' Cs Cf

3.0 m 9' Cs

4500 14'9" 5810 19'11"

*21350 *47,100

HEAVY LIFTING "ON"
A B Cf 6.0 m 19' 3.0 m 9' Bottom dump 4.5 m3 5.9 ydmm 7180 mm 3535 mm 10305 mm 9920 mm 3875 mm 5620 mm 5.1 m3 34'11" 23'7" 11'7" 33'10" 32'7" 12'9" 18'5" 6.7 yd3 0m 0' 3.0 m 9' 6.0 m 19' *10550 *23,21,21,26,500 *16650 *36,800
Unit: kg lb 9.0 m 29' Cf *14800 *32,32,30,29,800 Cs 12700 28,25,23,22,600 Cf *17250 *38,42,40,40,300 7.5 m 24' Cs *17250 *38,32,31,30,500 Cf *21350 *47,63,59,59,500 *19700 *43,400 6.0 m 19' Cs *21350 *47,48,44,44,500 *19700 *43,400 *32500 *71,700 *32500 *71,700 *23750 *52,300 *23750 *52,300 Cf 4.5 m 14' Cs Cf 3.0 m 9' Cs
Maximum Cs 8650 19,16,16,20,000 *16650 *36,800
WORKING RANGE AND BUCKET SELECTION

Working Range

Type of bucket Capacityheaped A B C D E F G Max. cutting height Max. dumping height Max. digging depth Max. digging reach Max. digging reach at ground level Level crowding distance Min. crowd distance
*Load is limited by hydraulic capacity rather than tipping. Ratings are based on Standard No. J1097. Rated loads do not exceed 87% of hydraulic capacity or 75% of tipping load.
Bucket digging force Arm crowd force
477 kN 48600 kg 107,140 lb 404 kN 41200 kg 90,830 lb
Equipment: Boom: 8.2 m 26'11" Arm: 4.6 m 15'1" Bucket: 2.8 m3 3.66 yd3

Bucket Selection

Type of bucket Capacityheaped Width Weight No. of bucket teeth Recommended uses 4.5 m

Bottom dump 5.9 yd

6.7 yd
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf
Maximum Cs 7500 16,14,13,16,26,600 *7500 *16,18,18,22,000 *13850 *30,500

12.0 m 39' Cf Cs Cf

9.0 m 29' Cs *11500 *25,25,23,21,900 Cf *11500 *25,400

7.5 m 24' Cs Cf

6.0 m 19' Cs Cf

4.5 m 14' Cs Cf

2320 mm 6

91.3"

2670 mm 7360 kg 6

105.1" 16,230 lb

5700 kg 12,570 lb General-purpose digging and loading
Light-duty excavation and loading

8650 19,000

6500 14,300

*14150 *31,30,29,100

*17500 *38,41,39,600 *15800 *34,800

15950 35,31,29,30,900

*23400 51,600 *27000 *59,500 *25950 *57,300 *20350 *44,900
22950 50,44,43,400 *20350 *44,900 *13600 *30,000 *25600 *56,400 *26300 *58,000 *13600 *30,000 *25600 *56,400 *26300 *58,000 Unit: kg lb *17800 *39,300 *17800 *39,300
LOADING SHOVEL OPERATING WEIGHT Operating weight, including 4600 mm 15'1" boom, 3400 mm 11'2" arm, 4.5 m3 5.9 yd3 heaped bucket, operator, lubricants, coolant, full fuel tank and standard equipment. Shoes 610 mm 24" Operating Weight 76000 kg 167,550 lb Ground Pressure 124kPa/1.26 kg/cm2 17.9 PSI
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *8600 *19,18,18,22,35,100 Maximum Cs 7500 16,14,13,16,26,19,14,300 12.0 m 39' Cf Cs Cf *13250 *29,33,30,29,100 9.0 m 29' Cs 13100 28,25,23,21,900 *20000 *44,41,39,600 *18300 *40,35,31,29,30,900 *26550 *58,59,58,400 *23450 *51,50,44,43,45,200 *15300 *33,700 *28400 *62,600 *30200 *66,600 *15300 *33,700 *28400 *62,600 *30200 *66,600 *19900 *43,800 Cf 7.5 m 24' Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf

*19900 *43,800

TRANSPORTATION GUIDE LIFTING CAPACITY
Transportation specifications (length x height x width)
Equipment: Boom: 8.2 m 26'11" Arm: 5.6 m 18'4" Bucket: 2.8 m3 3.66 yd3 Counterweight: optional 12000 kg 26,460 lb

Backhoe

Loading Shovel
Specs shown include the following equipment: Specs shown include the following equipment: PC750-7: Boom 8200 mm 26'11", Arm 3600 mm 11'10", Bucket 3.1 m3 4.05 yd3, Shoes 610 mm 24" double grouser PC750-7 : Boom 4600 mm 15'1", Arm 3400 mm 11'2", PC750SE-7: Boom 7100 mm 23'4", Arm 2945 mm 9'8", Bucket 4.0 m3 5.23 yd3, Shoes 610 mm 24" double grouser Bucket 4.5 m3 5.9 yd3, Shoes 610 mm 24" double grouser

3 Kits Transportation

Work equipment assembly (Backhoe) Weight : PC750-7 : 16.9 t 18.6 U.S.ton PC750SE-7 : 17.7 t 19.5 U.S.ton Boom Cs

4 Kits Transportation

Work equipment assembly (Backhoe) Weight : PC750-7 : 16.9 t 18.6 U.S.ton PC750SE-7 : 17.7 t 19.5 U.S.ton Boom

A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *4550 *10,000 *5300 *11,700 *6950 *15,19,700 *11750 *25,900 Maximum Cs *4550 *10,000 *5300 *11,12,14,21,200 12.0 m 39' Cf *6850 *15,100 *9500 *20,19,800 Cs *6850 *15,16,14,900 *12650 *27,900 *15000 *33,31,400 *13450 *29600 *12650 *27,25,23,24,100 *15500 *34,200 *19050 *42,42,700 *16550 *36,400 *15500 *34,34,32,30,800 *20450 *45,100 *25600 *56,400 *26100 *57,600 *22400 *49,400 *20450 *45,49,47,47,900 *13650 *30,100 *21100 *46,500 *29850 *65,800 *13650 *30,100 *21100 *46,500 *29850 *65,800 *13900 *30,600 *25250 *55,600 9.0 m 29' Cf Cs 7.5 m 24' Cf Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf

Unit: kg lb 3.0 m 9'

: 7.4 t : 8505 x 2610 x 1500 8.2 U.S.ton : 27'11" x 8'7" x 4'11" PC750SE-7 : 6.8 t : 7405 x 2465 x 1500 7.5 U.S.ton : 24'4" x 8'1" x 4'11" *13900 *30,600 *25250 *55,600 Unit: kg lb Arm
: 7.4 t : 8505 x 2610 x 1500 8.2 U.S.ton : 27'11" x 8'7" x 4'11" PC750SE-7 : 6.8 t : 7405 x 2465 x 1500 7.5 U.S.ton : 24'4" x 8'1" x 4'11" Arm
Work equipment assembly (Loading shovel) Width : 2320 7'7" Weight : 18.7 t 20.6 U.S.ton
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *5350 *11,800 *6200 *13,17,19,28,000 Maximum Cs *5350 *11,13,12,14,21,200 12.0 m 39' Cf *7900 *17,21,19,800 Cs *7900 *17,16,14,900 *14600 *32,33,31,31,28,25,23,24,100 *17800 *39,45,42,41,000 *17800 *39,34,32,30,800 *23300 *51,300 *29200 *64,62,800 *25750 *56,800 *23300 *51,49,47,47,900 *15350 *33,900 *23500 *51,800 *34200 *75,400 *15350 *33,900 *23500 *51,800 *34200 *75,400 *15600 *34,400 *28000 *61,800 9.0 m 29' Cf Cs 7.5 m 24' Cf Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf
: 4.0 t : 5105 x 1325 x 750 4.4 U.S.ton : 16'9" x 4'4" x 2'6" PC750SE-7 : 4.9 t : 4075 x 1695 x 755 5.4 U.S.ton : 13'4" x 5'7" x 2'6" Bucket

9500 31'2"

: 3.0 t : 2365 x 1850 x 1845 3.3 U.S.ton : 7'9" x 6'1" x 6'1" PC750SE-7 : 3.4 t : 2200 x 1950 x 2105 3.7 U.S.ton : 7'3" x 6'5" x 6'11" *15600 *34,400 *28000 *61,800 Boom & Arm cylinder PC750-7 :Total 2.5 t 2.8 U.S.ton PC750SE-7 :Total 2.6 t 2.9 U.S.ton

: 3.0 t : 2365 x 1850 x 1845 3.3 U.S.ton : 7'9" x 6'1" x 6'1" PC750SE-7 : 3.4 t : 2200 x 1950 x 2105 3.7 U.S.ton : 7'3" x 6'5" x 6'11" Boom & Arm cylinder PC750-7 :Total 2.5 t 2.8 U.S.ton PC750SE-7 :Total 2.6 t 2.9 U.S.ton Upper structure

5970 19'7"

( 3730 12'3") 3620 11'11"
Width : 3195 10'6" Weight : 24.8 t 27.3 U.S.ton
KOMTRAX (optional) with an antenna when mounted
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' Cf *13600 *30,26,27,000 *16000 *35,200 Maximum Cs 10850 23,19,20,28,200 Cf *13800 *30,31,29,400 9.0 m 29' Cs 11600 25,23,22,100 Cf *15600 *34,400 *19050 *42,40,400 *17500 *38,600 7.5 m 24' Cs *15600 *34,33,30,30,800 Cf *18800 *41,500 *25300 *55,59,600 *23150 *51,000 6.0 m 19' Cs *18800 *41,48,44,45,100 *27550 *60,800 *29900 *66,000 *27550 *60,800 *29900 *66,000 *37500 *82,700 Cf 4.5 m 14' Cs Cf

Unit: kg lb 3.0 m 9' Cs

6840 22'5"
Width : 3390 11'1" Weight : 45.5 t 50.2 U.S.ton

Undercarriage

1445 4'9"

1305 4'3"

Equipment: Boom: 7.1 m 23'4" Arm: 2.9 m 9'8" Bucket: 4.0 m3 5.23 yd3

Base machine

(Both PC750-7 and PC750SE-7 are designed with the same weight and dimensions.)
( 2840 9'4") 2730 8'11"

PC750SE-7

5810 19'1"
Weight : 21.5 t [10.75 t x 2] 23.7 U.S.ton [11.85 U.S.ton x 2]
*37500 *82,700 Unit: kg lb
Others Weight : 10.0 t 11.0 U.S.ton
1090 3'7" 470 1'7"

02 '7" 31 95

'7" 31 95
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' Cf 14050 31,26,27,37,200 Maximum Cs 10850 23,19,20,28,200 Cf 15000 33,31,29,400 9.0 m 29' Cs 11600 25,23,22,100 Cf *17800 *39,43,40,40,700 7.5 m 24' Cs 16950 37,33,30,30,800 Cf *21350 *47,100 *28750 63,59,600 *26500 *58,400 6.0 m 19' Cs *21350 *47,48,44,45,100 *30600 *67,400 *34200 *75,400 *30600 *67,400 *34200 *75,400 *42950 *94,600 Cf 4.5 m 14' Cs Cf

10 '6"

'6"

1530 5'0"

37kg (82lb)
5'" 10 '6" 7."

19kg (42lb)

19kg (42lb) 37kg (82lb)
5'" 10 '6" 70 2.8 "
Weight : 9.8 t 10.8 U.S.ton

'3" 50 01

'8" 00 '3" 50 01

'8"

01 '8" 19

2885 9'4"

'8" '8"

*42950 *94,600

32kg (70lb)

50kg (110lb)

STANDARD EQUIPMENT ENGINE AND RELATED ITEMS: Air cleaner, double element, dry Variable speed cooling fan, with fan guard Engine, Komatsu SAA6D140E-5 ELECTRICAL SYSTEM: Alternator, 50 amp, 24 V Batteries, 170 Ah, 2 x 12 V Starting motors, 11kW Working lights-2 boom, 2 cab top front, 1 cab bottom Step light with timer Auto decelerator UNDERCARRIAGE: 610 mm 24'' double grouser 8 track/3 carrier rollers (each side) Hydraulic track adjusters (each side) Variable track gauge Sealed track GUARDS AND COVERS: Dust-proof net for radiator and oil cooler Pump/engine room partition cover Travel motor guards OPERATOR ENVIRONMENT: Damper mount, all-weather, sound-suppressed cab with tinted safety glass windows, lockable door, intermittent window wiper and washer, floormat, cigarette lighter and ashtray Multi-function color monitor, electronically-controlled throttle dials, electric service meter, gauges (coolant temperature, hydraulic oil temperature and fuel level), caution lights (electric charge, engine oil pressure, and air cleaner clogging), indicator lights (engine preheating and swing lock light) level check lights (coolant, engine oil, and hydraulic oil level), self-diagnostic system with trouble data memory Seat, fully adjustable with suspension Cab with pull-up type front window Rear view mirror (R,H) HYDRAULIC CONTROLS: Fully hydraulic, with Electronic Open-Center Load-Sensing (EOLSS) and engine speed sensing (pump and engine mutual control system) Two axial piston motors for swing with single-stage relief valve One axial piston motor per track for travel with counter balance valve Two variable capacity piston pumps Two control valves, 5+4 spools (boom, arm, bucket, swing, and travel) Control levers, wrist control levers for arm, boom, bucket, and swing with PPC system Control levers and pedals for steering and travel with PPC system Oil cooler In-line filter Heavy lift mode system Shockless boom control Swing priority selection system Two-mode setting for boom DRIVE AND BRAKE SYSTEM: Brakes, hydraulic lock travel brakes, oil disc parking Hydrostatic two travel speed system with planetary triple reduction final drive OTHER STANDARD EQUIPMENT: Automatic swing holding brake Counterweight, 9800 kg 21,610 lb Horn, electric Marks and plates, English Paint, Komatsu standard Large handrails One-touch engine oil drainage PM tune-up service connector Remote greasing for radiator fan drive Travel alarm Rear reflector Anti-slip plates Corrosion resistor
HORSEPOWER Gross:370 kW 496 HP @ 1800 rpm Net:363 kW 487 HP @ 1800 rpm OPERATING WEIGHT Backhoe:7420077810 kg 163,580171,540 lb Loading shovel:77000 kg 169,750 lb
PC800/800SE-8 BACKHOE PC800-8 LOADING SHOVEL

HYDRAULIC EXCAVATOR

OPTIONAL EQUIPMENT Additional track guard Air suspension seat Alternator, 75 Amp, 24 V Arms (Backhoe): PC800-8: 3600 mm 11'10'' arm assembly 4600 mm 15'1'' arm assembly 5600 mm 18'4'' arm assembly PC800SE-8: 2945 mm 9'8'' SE arm assembly Auto air conditioner Automatic greasing Booms (Backhoe): PC800-8: 8200 mm 26'11'' boom assembly PC800SE-8: 7100 mm 23'4'' boom assembly Cab front guard (ISO 10262 level 2) Cab with fixed front window Catwalk Coolant heater Counterweight 11850 kg 26,120 lb Double flange track roller 12V electric supply Fire extinguisher Full length track guard General tool kit Grease gun, electric pump with indicator High cab mount Interconnected horn and warning light Large-capacity batteries Loading shovel attachments Lower wiper OPG top guard Provision for fast fuel fill Radio AM/FM Rain visor Rear view mirror (L,H) Seat belt 78 mm 3'', 50 mm 2'' Shoes: 710 mm 28'' double grouser 810 mm 32'' double grouser 910 mm 36'' double grouser 1010 mm 40'' double grouser Spare parts for first service Strengthened revolving frame underguard Sun visor Track frame undercover (center) Vandalism protection locks Working lights 2 (on cab)

www.Komatsu.com

Printed in Japan 200810 IP.As(05)
Photo may include optional equipment.

CEN00072-01

Materials and specifications are subject to change without notice. is a trademark of Komatsu Ltd. Japan.

PC800-8

H Y D R A U L I C E X C AVAT O R
Ecology and Economy Features

PC800-80

HORSEPOWER Gross:370 kW 496 HP @ 1800 rpm Net:363 kW 487 HP @ 1800 rpm OPERATING WEIGHT Backhoe kg 163,580 171,540 lb Loading shovel 77000 kg 169,750 lb

WALK-AROUND

Productivity Features
High Work Equipment Speed Increased arm dumping and bucket dumping speed realize efficient loading operation. Heavy Lift Mode The heavy lift mode increases lifting force by 10%. Large Digging Force High operation efficiency with large digging force for severe applications. Two-mode Setting for Boom Switch selection allows either powerful digging or smooth boom operation. Twin Swing Motor System provides excellent swing performance, even on slopes. Large Drawbar Pull and Steering Force provide excellent mobility. Swing Priority Mode The swing priority mode improves efficiency for loading dump trucks at 90 or 180. Shockless Boom Switch selection reduces chassis vibration after sudden stops. See page 5.
Komatsu SAA6D140E-5 Engine is Tier 3 Emissions Certified. Worlds first cooled EGR system with bypass-assist type electronically controlled venturi Offers high power and low fuel consumption, while conforming to Tier 3 emission certified. Reduces NOx emission approximately 40%. Equipped with an electronically controlled variable speed fan.
Economy Mode Four-level Setting Enables operator to select the appropriate Economy mode level to match production requirement with lowest fuel consumption. Reduction of Ambient Noise Meets the EU stage 2 noise regulations. Electronically controlled variable speed fan drive Large hybrid fan Glasswool-furnished low-noise muffler and noise reducing cover around the muffler See page 4.

Easy Maintenance

Easy Cleaning of Cooling Unit Fan reverse-rotation function facilitates clogged radiator cleaning. Centralized Arrangement of Engine Checkpoints Anti-slip Plates for improved foot traction Large Handrail, Step and Catwalk provide easy access to the engine and hydraulic equipment. Increased Fuel Tank Capacity See page 10.
Excellent Reliability and Durability
KMAX Bucket Teeth offer superior penetration and longterm sharpness. Fuel Pre-filter with water separator equipped as standard. O-ring Face Seals, which have excellent sealing performance, are used for the hydraulic hoses. High-pressure In-line Filtration The cool-running hydraulic system is protected with the most extensive filtration system available, including a high pressure in-line filter for each main pump.

Highly Reliable Electronic Devices Exclusively designed electronic devices have passed severe testing. Controllers Sensors Connectors Heat resistant wiring Circuit breaker Boom Foot Hoses are arranged under the boom foot, improving hose life and safety. See page 6.

Working Environment

Large Comfortable Cab Low noise and vibration with cab damper mounting Large-capacity air conditioner (optional) Pressurized cab prevents external dust from entering OPG top guard level 2 (by ISO 10262 standard) capable with optional bolt-on top guard. See pages 8, 9.
Advanced Monitor Features
Machine condition can be checked with Equipment Management Monitoring System (EMMS). See page 11. Two working modes combine with heavy lift mode for maximum productivity. See page 5.
PRODUCTIVITY & ECOLOGY FEATURES

Komatsu Technology

LCD color monitor

Large Digging Force

Thanks to the high engine output and an excellent hydraulic system, this machine demonstrates powerful digging force. Maximum arm crowd force (ISO):

Working Mode Selection

Power and Economy Mode
The PC800-8 excavator is equipped with two working modes. Each mode is designed to match engine speed, pump flow, and system pressure to the current application, giving the operator flexibility to match equipment performance to the job at hand.

Working Mode P E

(E0,E1,E2,E3)
Hydraulic control valve Hydraulic system controller

250 kN 25.5 ton

Maximum bucket digging force (ISO):

333 kN 34.0 ton

Work Equipment Speed Increased

Main pump

Pump for fan
An arm quick return circuit is provided for arm dumping. This returns a portion of oil flow directly to the hydraulic tank at arm dumping to reduce the hydraulic pressure loss. Combined with increased bucket dumping speed, faster loading work is realized.
Application Power Mode Economy Mode
Advantage Maximum production/power Fast cycle time Good cycle time Good fuel economy
Komatsu develops and produces all major components, such as engines, electronics and hydraulic components, in house. With this Komatsu Technology, and adding customer feedback, Komatsu is achieving great advancements in technology. To achieve both high levels of productivity and economical performance, Komatsu has developed the main components with a total control system. The result is a new generation of high performance and environment friendly excavators.
Electronic control unit for engine Electronically controlled variable speed fan Engine Heavy duty HPCR (High Pressure Common Rail) system Electronically controlled cooled EGR system

Heavy Lift Mode

Gives the operator 10% more lifting force on the boom when needed for handling rock or heavy lifting applications.

Swing Priority Setting

The swing priority setting allows the operator to use the same easy motion for 180 loading as 90 loading operations. By altering the oil flow, this setting allows you to select either boom or swing as the priority for increased production.

Selection ON OFF Result

Oil flow to the swing motor is increased. 180loading operations are most efficient. Oil flow to the boom is increased. 90loading operations are most efficient.
Large Drawbar Pull and Steering Force
Since the machine has a large drawbar pull and a high steering force, it demonstrates excellent mobility even when it is being used on inclined sites.
Two-mode Setting for Boom Electronically Controlled Variable Speed Fan Contributes to Low Fuel Consumption and Low Noise
The electronic control system sets the rotational speed of the cooling fan according to the coolant, hydraulic oil, and ambient temperature; effectively uses the engine output to prevent wasteful fuel consumption; and reduces noise during low-speed fan rotation. Smooth mode provides easy operation for gathering blasted rock and scraping operations. When maximum digging force is needed, switch to power mode for more effective excavating.
Boom raise Smooth mode Power mode
Environment-friendly Clean Engine Mounted
Komatsu SAA6D140E-5 engine is Tier 3 and EU stage 3A emissions certified. The SAA6D140E-5 engine adopts the worlds first cooled EGR system with electronically controlled bypass-assist type venturi. NOx emission is reduced 40%, while maintaining high power and low fuel consumption.

Shockless Boom Control

The PC800-8 boom circuit features a shockless valve (double-check slow return valve) to automatically reduces the amount of vibration present when operating the boom. Operator fatigue is reduced (which can improve safety and productivity), and spillage caused by vibration is minimized.
Lower and Economical Fuel Consumption Using Economy Mode
Enables operator to set the Eco mode to up to four levels according to working conditions so that production requirement is achieved at lowest possible fuel consumption.

Power Mode Economy Mode Heavy Lift Mode

Extend and retract

Swing Priority Mode
Reduction of Ambient Noise (optional)
This is an image photo: may differ from the actual engine.
Reduced noise by adoption of an electronically controlled variable speed fan drive, large hybrid fan, low-noise muffler and cover with glasswool, to meet EU stage 2 noise regulations.

RELIABILITY FEATURES

Boom Foot Hoses
The boom foot hoses are arranged under the boom foot to reduce hose bend during operation, extending hose life and improving operator safety.
Strengthened Quarry Bucket Provides Outstanding Wear-resistance (optional for PC800SE-8)
The bucket for specific use in quarry is impact and wear resistant, providing high performance and long life. Koma-hard materials* provide excellent wear resistance. Combined with adoption of long-life KMAX teeth, durability of bucket is drastically enhanced. Quarry Bucket with KMAX Tooth
* Koma-hard materials (KVX materials): Komatsu developed, wear-resistant, reinforced materials. Brinell hardness: 500 or more (180kgf/mm2 class). Features high wear-resistance and little quality change from the heat generated during rock loading, maintaining long term hardness.
High-tensile strength steel High-tensile strength steel High-tensile strength steel Shroud: Enlarged
High-pressure In-line Filtration
The PC800-8 has the most extensive filtration system available, providing in-line filters as standard equipment. An in-line filter in the outlet port of each main hydraulic pump reduces failures caused by contamination.

Sturdy Undercarriage

The undercarriage is strengthened to provide excellent reliability and durability when working on rocky ground or blasted rock.

KMAX Tooth

Unique bucket tooth shape, superior digging performance Long-term high sharpness Great penetration performance Hammerless, safe, and easy tooth replacement (Tooth replacement time: Halves the conventional machine.)

Rock protectors

Koma-hard materials

O-ring Face Seal

The hydraulic hose seal method has been changed from a conventional taper seal to an O-ring seal. This provides improved sealing performance during operation.

Metal Guard Rings

Metal guard rings protect all the hydraulic cylinders and improve reliability.
Metal guard ring (Cast iron ring)
Sturdy guards shield the travel motors and piping against damage from rocks.

dB (VL) is index for expressing size of vibration.
Automatic Air Conditioner (optional)
A 6,900 kcal air conditioner is utilized. The bi-level control function keeps the operator's head and feet cool and warm respectively. This improved air flow function keeps the inside of the cab comfortable throughout the year.

Multi-position Controls

The multi-position, PPC (proportional pressure control) levers allow the operator to work in comfort while maintaining precise control. A double-slide mechanism allows the seat and control levers to move together or independently, allowing the operator to position the controls for maximum productivity and comfort.

Rubber Spring

Anti-Slip Plates

Horn interconnected with

Seat Sliding Amount: 340 mm 13.4", increased 120 mm 4.7"
warning light (optional) give visual and audible notice of the excavators operation when activated.

Silicon Oil

Comparison of Riding Comfort Cab Damper Mounting Multi-Layer Viscous Mount
Vertical direction on graph shows size of vibration. Conditions: Traveling over obstacle one side track Traveling speed forward high

Skylight

Sliding Window Washable Cab Floormat The PC800-8s cab floormat is easy to keep clean. The gently inclined surface has a flanged floormat and drainage holes to facilitate runoff. Defroster (optional) Cab Frame Mounted Wiper Bottle Holder and Magazine Rack

Floor Vibration

EASY MAINTENANCE FEATURES
Komatsu Designed the PC800-8 for Easy Service Access.
Easy Checking and Maintenance of Engine
Engine check points are concentrated on one side of the engine to facilitate daily checks. Thermal guards are placed around high-temperature parts such as turbocharger.
High-Quality EMMS Self-diagnostic System Steps Connected to the Machine Cab
Steps allows access from left hand catwalk to top of machine for engine check and maintenance. Abnormality Checking Function In case any abnormality should occur, the monitoring system checks whether hydraulic pressure, solenoid ON/OFF status, engine speed, electrical connections, etc. are in the normal conditions to keep the machine downtime to a minimum. Maintenance History Memory Function Maintenance records such as replacement of engine oil, hydraulic oil, filters, etc. can be stored. Trouble Data Memory Function All the trouble data are stored to serve as references for future trouble-shooting.
Wide Catwalk and Large Handrails
Easier, safer operator cab access and maintenance checks.
Maintenance display of the EMMS multi-color monitor (Example)
Normal display Maintenance time display Engine oil replacement display
Abnormal information & checking Function display of the EMMS multicolor monitor (Example)

Battery charging abnormal display Error code display Display for night work
Easy Cleaning of Radiator
Reverse-rotation function of the hydraulic driven fan facilitates cleaning of the cooling unit. In addition, this function contributes to reducing warming-up run time in low temperature and discharging hot air from the engine room to keep appropriate heat balance.
Dust Indicator with 5-step Indication
Informs of air cleaner clogging in 5 steps to warn of filter condition.

One-touch Drain Cock

Easier, cleaner engine oil changes.
Reduced Maintenance Costs
Hydraulic oil filter replacement is extended from 500 to 1000 hours.Engine oil and filter replacement intervals are extended from 250 to 500 hours.
Divided Type Engine Cover
The divided engine cover allows inspection points around the engine to be easily accessed.
Electric Operated Grease Gun Equipped with Hose Reel (optional)
Greasing is made easy with the electric operated grease gun and indicator.

Convenient Utility Space

Utility space provides great convenience to store tools, spare parts, etc.
Grease can drum storage location
Increased Fuel Tank Capacity
Fuel tank capacity is increased from 880 ltr 232 U.S. gal to 980 ltr 259 U.S. gal to extend operating hours before refueling.
Grease gun The grease gun can be reached from ground level.

Indicator

SPECIFICATIONS

BACKHOE DIMENSIONS

ENGINE Model. Komatsu SAA6D140E-5 Type. 4-cycle, water-cooled, direct injection Aspiration. Turbocharged, aftercooled, cooled EGR Number of cylinders. 6 Bore. 140 mm 5.51" Stroke. 165 mm 6.50" Piston displacement. 15.24 ltr 930 in3 Governor. All-speed, electronic Horsepower: SAE J1995. Gross 370 kW 496 HP ISO 9249 / SAE J1349*. Net 363 kW 487 HP Rated rpm. 1800 rpm Fan drive type. Hydraulic
EPA Tier 3 and EU stage 3A emissions certified. *Net horsepower at the maximum speed of radiator cooling fan is 338 kW 454HP.
DRIVES AND BRAKES Steering control. Two levers with pedals Drive method. Fully hydrostatic Travel motor. Axial piston motor, in-shoe design Reduction system. Planetary triple reduction Maximum drawbar pull. 559 kN 57000 kg 125,660 lb Gradeability. 70% Maximum travel speed Low. 2.8 km/h 1.7 mph High. 4.2 km/h 2.6 mph Service brake. Hydraulic lock Parking brake. Oil disc brake
4345 143" R=4400 145"

3195 106"

1560 51" 4000 131"
4500 149" 5810 191"
PC800-8 8.2 m 26'11" boom 3.6 m 11'10" arm A Overall Height B Overall Length 4690 mm 14405 mm 15'5" 47'3" 4.6 m 15'1" arm 5630 mm 18'6" 14435 mm 47'4" 5.6 m 18'4" arm 6260 mm 14115 mm 20'6" 46'4"

50 2.0"

3560 118"
UNDERCARRIAGE Center frame. H-leg frame Track frame. Box-section Seal of track. Sealed Track adjuster. Hydraulic No. of shoes. 47 each side No. of carrier rollers. 3 each side No. of track rollers. 8 each side COOLANT AND LUBRICANT CAPACITY

(REFILLING)

PC800SE-8 7.1 m 23'4" boom 2.9 m 9'8" arm 4615 mm 15'2" 13130 mm 43'1"
610 24" 3500 116" 4110 136" 3390 111" When retracted
HYDRAULIC SYSTEM Type. Open-center load-sensing system Number of selectable working modes. 2 Main pump: Type. Variable-capacity piston pumps Pumps for. Boom, arm, bucket, swing, and travel circuits Maximum flow. 2 x 494 ltr/min 2 x 130.5 U.S. gpm Fan drive pump. Variable capacity piston type Hydraulic motors: Travel. 2 x axial piston motor with parking brake Swing. 2 x axial piston motor with swing holding brake Relief valve setting: Implement circuits. 31.4 MPa Travel circuit. 34.3 MPa Swing circuit. 28.4 MPa Heavy lift circuit. 34.3 MPa Pilot circuit. 2.9 MPa 320 kg/cmkg/cmkg/cmkg/cmkg/cm2 4,550 psi 4,980 psi 4,120 psi 4,980 psi 430 psi

WORKING RANGE

840 29" 3670 12

Unit: mm ft in

PC800-8 Boom length Arm length A B C Max. digging height Max. dumping height Max. digging depth 3600 mm 11840 mm 8145 mm 8600 mm 5575 mm 8445 mm 13740 mm 13460 mm 6060 mm 11'10" 38'10" 26'7" 28'3" 18'3" 27'8" 45'1" 44'2" 19'11" 8200 mm 26'11" 4600 mm 12000 mm 8295 mm 9590 mm 6575 mm 9455 mm 14575 mm 14310 mm 6085 mm 15'1" 39'4" 27'3" 31'6" 21'7" 31'0" 47'1" 46'1" 20'0" 5600 mm 12690 mm 8890 mm 10595 mm 7920 mm 10500 mm 15635 mm 15385 mm 6145 mm 18'4" 41'8" 29'2" 34'9" 26'0" 34'5" 51'4" 50'6" 20'2"
PC800SE-mm 2945 mm 11330 mm 7525 mm 7130 mm 4080 mm 23'4" 9'8" 37'2" 24'8" 23'5" 13'5"
Fuel tank. 980 ltr 258.9 U.S. gal Radiator. 100 ltr 26.4 U.S. gal Engine. 55 ltr 14.5 U.S. gal Final drive, each side. 20 ltr 5.3 U.S. gal Swing drive. 24.5 x 2 ltr 6.5 x 2 U.S. gal Hydraulic tank. 440 ltr 116.2 U.S. gal
D Max. vertical wall digging depth E F Max. digging depth of cut for 8' level Max. digging reach

OPERATING WEIGHT

(APPROXIMATE)
6980 mm 22'11" 12265 mm 11945 mm 5645 mm 40'3" 39'2" 18'6"
Hydraulic cylinders: Number of cylindersbore x stroke Boom. mm x 1950 mm Arm Std. mm x 2250 mm SE. mm x 1610 mm Bucket Std. mm x 1610 mm SE. mm x 1420 mm
PC800-8: Operating weight, including 8200 mm 26'11" boom, 3600 mm 11'10" arm, SAE heaped 3.1 m3 4.05 yd3 backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment. PC800SE-8: Operating weight, including 7100 mm 23'4" boom, 2945 mm 9'8" arm, SAE heaped 4.0 m3 5.23 yd3 backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment.

G Max. digging reach at ground level H Min. swing radius
7.9" x 76.8" 7.9" x 88.6" 7.3" x 63.4" 7.3" x 63.4" 8.9" x 55.9"
296 kN 296 kN 296 kN 391 kN Bucket digging force (SAE) 30200 kgf / 66,580 lb 30200 kgf / 66,580 lb 30200 kgf / 66,580 lb 39900 kgf / 87,960 lb Arm crowd force (SAE) Bucket digging force (ISO) Arm crowd force (ISO) 237 kN 214 kN 181 kN 331 kN 24200 kgf / 53,350 lb 21800 kgf / 48,060 lb 18500 kgf / 40,790 lb 33800 kgf / 74,520 lb 333 kN 333 kN 333 kN 431 kN 34000 kgf / 74,960 lb 34000 kgf / 74,960 lb 34000 kgf / 74,960 lb 43900 kgf / 96,780 lb 250 kN 222 kN 183 kN 341 kN 25500 kgf / 56,220 lb 22600 kgf / 49,820 lb 19100 kgf / 42,110 lb 34800 kgf / 76,720 lb

2440 8ft

Shoes 610 mm 24" 710 mm 28" 810 mm 32" 910 mm 36" 1010 mm 40"
SWING SYSTEM Driven method. Hydraulic motors Swing reduction. Planetary gear Swing circle lubrication. Grease-bathed Swing lock. Oil disc brake Swing speed. 6.8 rpm
PC800-8 Operating Ground Weight Pressure 121 kPa 74200 kg 1.23 kgf/cm2 163,580 lb 17.5 psi 105 kPa 75000 kg 1.07 kgf/cm2 165,350 lb 15.2 psi 92.2 kPa 75530 kg 0.94 kgf/cm2 166,510 lb 13.4 psi 83.3 kPa 76170 kg 0.85 kgf/cm2 167,920 lb 12.1 psi 75.5 kPa 76810 kg 0.77 kgf/cm2 169,340 lb 10.9 psi
PC800SE-8 Operating Ground Weight Pressure 122 kPa 75200 kg 1.24 kgf/cm2 165,790 lb 17.6 psi 106 kPa 76000 kg 1.08 kgf/cm2 165,550 lb 15.4 psi 93.2 kPa 76530 kg 0.95 kgf/cm2 168,720 lb 13.5 psi 84.3 kPa 77170 kg 0.86 kgf/cm2 170,130 lb 12.2 psi 76.5 kPa 77810 kg 0.78 kgf/cm2 171,540 lb 11.1 psi
BACKHOE BUCKET, ARM, AND BOOM COMBINATION
BUCKET CAPACITY (HEAPED) SAE, PCSA m3 yd3 2.8 3.1 3.4 4.0 4.3 4.5 3.66 4.05 4.45 5.23 5.62 5.89 CECE m3 yd3 2.5 2.8 3.0 3.5 3.8 4.0 3.27 3.66 3.92 4.58 4.97 5.23 WIDTH Without side shrouds, side cutters mm in 51.0" 66.9" 71.7" 78.7" 84.6" 91.9" With side shrouds, side cutters mm in 66.7" 74.0" 75.6" 82.8" 88.7" 91.7" WEIGHT (with side cutters) kg lb 3.6 11'10" 6,040 6,530 7,720 7,570 8,530 8,930 ARM LENGTH m ft in 4.6 15'1" 2.9 9'8" 5.6 18'4"

0m 0' 3.0 m 9' 6.0 m 19'

* Load is limited by hydraulic capacity rather than tipping. Ratings are based on SAE standard No. J1097. Rated loads do not exceed 87% of hydraulic lift capacity or 75% of tipping load.
Equipment: Boom: 8.2 m 26'11" Arm: 4.6 m 15'1" Bucket: 2.8 m3 3.66 yd3 Shoe: 610 mm 24" Counterweight: 9.8 ton 21,610 lb A: B: C: Cf: Cs: : Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach
Unit: kg lb 12.0 m 39' Cf *7850 *17,20,19,000 Cs 7700 17,15,14,200 Cf *10700 *23,600 *13,300 *29,31,29,700 *13200 *29,100 9.0 m 29' Cs *10700 *23,27,23,22,23,000 *16250 *35,42,40,100 *17000 *37,500 *16250 *35,32,30,30,800 *21350 *47,100 *25900 *57,100 *25950 *57,200 *21750 *48,000 *21350 *47,45,43,44,700 *14500 *32,000 *23400 *51,600 *28500 *62,900 *14500 *32,000 *23400 *51,600 *28500 *62,900 *15850 *35,000 *28600 *63,000 *15,850 *35,000 *28600 *63,000 Unit: kg lb 12.0 m 39' Cf *8900 *19,20,19,000 Cs 7700 17,15,14,200 Cf *12300 *27,100 *15350 *33,31,29,30,400 9.0 m 29' Cs *12300 *27,27,23,22,23,000 *18600 *41,42,40,40,37,32,30,30,800 *24300 *53,61,58,600 *25050 *55,200 *24300 *53,45,43,44,700 *16200 *35,800 *25900 *57,100 *32750 *72,200 *16200 *35,800 *25900 *57,100 *32750 *72,200 *17650 *39,000 *31600 *69,700 *17650 *39,000 *31600 *69,700 Cf 7.5 m 24' Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf 3.0 m 9' Cs Cf 7.5 m 24' Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf 3.0 m 9' Cs
Bucket digging force Arm crowd force
477 kN 48600 kg 107,140 lb 404 kN 41200 kg 90,830 lb

Bucket Selection

Type of bucket Capacityheaped Width Weight No. of bucket teeth Recommended uses 4.5 mmm 6 General-purpose digging and loading Bottom dump 5.9 yd3 91.3" 5.1 mmm 7360 kg 6 Light-duty excavation and loading 6.7 yd3 105.1" 16,230 lb
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' Cf *6350 *14,000 *7300 *16,17,20,100 *12600 *27,800 Maximum Cs *6350 *14,13,13,14,22,000

5700 kg 12,570 lb

LOADING SHOVEL OPERATING WEIGHT Operating weight, including 4600 mm 15'1" boom, 3400 mm 11'2" arm, 4.5 m3 5.9 yd3 heaped bucket, operator, lubricants, coolant, full fuel tank and standard equipment. Shoes 610 mm 24" Operating Weight 77000 kg 169,750 lb Ground Pressure 125 kPa/1.27 kg/cm2 18.1 PSI

6.0 m 19'

A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *7250 *16,17,17,20,29,100 Maximum Cs 7100 15,13,13,14,22,000

TRANSPORTATION GUIDE Transportation specifications (length x height x width)
Equipment: Boom: 8.2 m 26'11" Arm: 5.6 m 18'4" Bucket: 2.8 m3 3.66 yd3 Shoe: 610 mm 24" Counterweight: 9.8 ton 21,610 lb A: B: C: Cf: Cs: : Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach
Unit: kg lb 12.0 m 39' Cf *6950 *15,400 *9050 *19,18,17,500 Cs *6950 *15,15,13,12,700 *11750 *25,31,28,28,600 *11750 *25,23,21,21,200 *14200 *31,300 *17800 *39,39,38,800 *14200 *31,31,29,28,900 *18350 *40,400 *24100 *53,100 *25600 *56,400 *23050 *50,800 *18350 *40,46,42,42,300 *15050 *33,200 *20000 *44,100 *31050 *68,400 *15050 *33,200 *20000 *44,100 *31050 *68,400 *12800 *28,200 *22450 *49,500 *12800 *28,200 *22450 *49,500 Unit: kg lb 12.0 m 39' Cf *8000 *17,20,18,17,500 Cs 7800 17,15,13,12,700 *13600 *30,31,28,28,27,23,21,21,200 *16300 *36,41,39,38,800 *16300 *36,31,29,28,900 *20900 *46,100 *27550 *60,57,57,500 *20900 *46,46,42,42,300 *16800 *37,000 *22200 *49,000 *35400 *78,000 *16800 *37,000 *22200 *49,71,800 *14350 *31,600 *24950 *55,000 *14350 *31,600 *24950 *55,000 9.0 m 29' Cf Cs 7.5 m 24' Cf Cs Cf 6.0 m 19' Cs Cf 4.5 m 14' Cs Cf 3.0 m 9' Cs
PC800-8 : 7.9 t : 8530 x 2800 x 1500 8.7 U.S.ton : 28'0" x 9'2" x 4'11" PC800SE-8 : 7.3 t : 7430 x 2695 x 1500 8.0 U.S.ton : 24'5" x 8'10" x 4'11" Arm PC800-8 : 7.9 t : 8530 x 2800 x 1500 8.7 U.S.ton : 28'0" x 9'2" x 4'11" PC800SE-8 : 7.3 t : 7430 x 2695 x 1500 8.0 U.S.ton : 24'5" x 8'10" x 4'11" Arm

Backhoe

Loading Shovel
Specs shown include the following equipment: Specs shown include the following equipment: PC800-8: Boom 8200 mm 26'11", Arm 3600 mm 11'10", Bucket 3.1 m3 4.05 yd3, Shoes 610 mm 24" double grouser PC800-8 : Boom 4600 mm 15'1", Arm 3400 mm 11'2", PC800SE-8: Boom 7100 mm 23'4", Arm 2945 mm 9'8", Bucket 4.0 m3 5.23 yd3, Shoes 610 mm 24" double grouser Bucket 4.5 m3 5.9 yd3, Shoes 610 mm 24" double grouser

3 Kits Transportation

4.5 m 14' 3.0 m 9' Cf Cs
Work equipment assembly (Backhoe) Weight : PC800-8 : 17.1 t 18.8 U.S.ton PC800SE-8 : 18.1 t 20.0 U.S.ton Boom

4 Kits Transportation

A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *3950 *8,700 *4500 *9,900 *5600 *12,16,21,700 Maximum Cs *3950 *8,700 *4500 *9,10,11,16,000 9.0 m 29' Cf Cs 7.5 m 24' Cf Cs Cf 6.0 m 19' Cs Cf Cs
Work equipment assembly (Loading shovel) Width : 2320 7'7" Weight : 19.6 t 21.6 U.S.ton
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' 6.0 m 19' Cf *4700 *10,300 *5300 *11,600 *6500 *14,16,21,700 Maximum Cs *4700 *10,10,10,11,16,000

: 4.0 t : 5120 x 1345 x 750 4.4 U.S.ton : 16'10" x 4'5" x 2'6" PC800SE-8 : 4.9 t : 4080 x 1695 x 755 5.4 U.S.ton : 13'5" x 5'7" x 2'6" Bucket

9500 312"

: 2.9 t : 2365 x 1850 x 1845 3.2 U.S.ton : 7'9" x 6'1" x 6'1" PC800SE-8 : 3.4 t : 2200 x 1950 x 2105 3.7 U.S.ton : 7'3" x 6'5" x 6'11" Boom & Arm cylinder PC800-8 : Total 2.3 t 2.5 U.S.ton PC800SE-8 : Total 2.5 t 2.8 U.S.ton
: 2.9 t : 2365 x 1850 x 1845 3.2 U.S.ton : 7'9" x 6'1" x 6'1" PC800SE-8 : 3.4 t : 2200 x 1950 x 2105 3.7 U.S.ton : 7'3" x 6'5" x 6'11" Boom & Arm cylinder PC800-8 : Total 2.3 t 2.5 U.S.ton PC800SE-8 : Total 2.5 t 2.8 U.S.ton Upper structure

PC800SE-8

Equipment: Boom: 7.1 m 23'4" Arm: 2.9 m 9'8" Bucket: 4.0 m3 5.23 yd3 Shoe: 610 mm 24" Counterweight: 9.8 ton 21,610 lb A: B: C: Cf: Cs: : Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach
Unit: kg lb 9.0 m 29' Cf *13150 *29,32,30,500 Cs 12650 27,25,23,000 Cf *14700 *32,400 *18200 *40,41,400 *18350 *40,500 7.5 m 24' Cs *14700 *32,34,31,31,000 *23800 *52,500 *26650 *58,800 *23950 *52,50,45,45,000 *28900 *63,800 *31500 *69,500 *28900 *63,800 *31500 *69,500 *36900 *81,300 *36900 *81,300
Others Weight : 10.1 t 11.1 U.S.ton

1790 510"

1 " 31 95
6030 199" 2835 94"

Base machine

(Both PC800-8 and PC800SE-8 are designed with the same weight and dimensions.)

3720 122"

Width : 3290 10'10" Weight : 26.3 t 29.0 U.S.ton
A B 6.0 m 19' 3.0 m 9' 0m 0' 3.0 m 9' Cf *12650 *27,24,25,400 *14900 *32,800 Maximum Cs 10350 22,18,19,25,000 6.0 m 19' Cf Cs Cf 4.5 m 14' Cs Cf

6900 228"

Width : 3515 11'6" Weight : 47.4 t 52.2 U.S.ton

1445 49"

3.0 m 9'

Undercarriage

1380 4'6"
Width : 3515 11'6" Weight : 47.6 t 52.5 U.S.ton
5810 191" 610 2'0" Weight : 21.2 t [10.6 t x 2] 23.4 U.S.ton [11.7 U.S.ton x 2]