Komatsu PC800LC-8

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• Fast Work Equipment Speed
An arm quick-return circuit provides fast cycle times and high productivity
• Large Digging Forces
The new Power Max system provides increased arm and bucket digging forces
• Heavy Lift Mode increases lifting force by 10%
• Two-mode Setting for Boom Control
Operator can select powerful digging or smooth boom operation
• Shockless Boom Control
Operator can reduce vibration and shock while minimizing bucket spillage
• Swing Priority Mode provides loading efficiency at higher swing angles

• Strengthened Boom and Arm
• High-pressure In-line Filtration
Each main pump has a high pressure in-line filter to provide an extra level of hydraulic system protection
• Fuel Pre-filter with water separator
• O-ring Face Seals provide excellent sealing performance for hydraulic hoses
• Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed severe testing.
- Controllers
- Sensors
- Connectors
- Heat resistant wiring

• Powerful Digging Forces
This optional spec with 2 arm cylinders increases arm digging force by 19% (available for the 11'10" arm only)

• Reversible Cooling Fan
Hydraulically-driven fan can reverse rotation to simplify cleaning the cooler assembly
• Centralized Engine Checkpoints
• Slip-resistant plates for improved foot traction during maintenance
• Large Handrails, Steps, and Catwalk
Wider step ladder provides easier access for machine servicing

KOMTRAX equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more.

• Low Emission Engine
A powerful, turbocharged and air-to-air aftercooled SAA6D140E-5 engine provides 363 kW 487 HP net. This engine is EPA Tier 3 and EU Stage 3A emissions certified, without sacrificing power or productivity.
• Four-level Economy Mode Setting
Provides the operator additional flexibility to match performance to the application to optimize fuel efficiency
• Low Operational Noise
- Electronically controlled variable speed fan drive
- Large hybrid fan
- Low-noise muffler

• Large Comfortable Cab
- Low-noise cab design with viscous damper mounts
- Pressurized cab with large-capacity air conditioner
- High-back, heated operator seat with console-mounted armrests
- OPG top guard Level 2 (ISO 10262) capable with optional bolt-on top guard

• Easy to see and use large 7" multi-function color monitor
• Can be displayed in 12 languages for global support
TFT: Thin Film Transistor LCD: Liquid Crystal Display


EPA Tier 3 and EU stage 3A emission certified.    
Model   Komatsu SAA6D140E-5
Type   4-cycle, water-cooled, direct injection
Aspiration   Turbocharged, aftercooled, cooled EGR
Number of cylinders   6
Bore 5.51" 140 mm
Stroke 6.50" 165 mm
Piston displacement 930 in³ 15.24 ltr
Governor   All-speed, electronic
SAE J1995 (Gross) 496 HP 370 kW
ISO9249 / SAE J1349 (Net) 487 HP 363 kW
Hydraulic fan at maximum speed (Net) 454 HP 338 kW
Rated rpm   1800 rpm
Fan drive type   Hydraulic
Hydraulics System    
Type   EOLSS (Electronic Open-center Load Sensing System)
Number of selectable working modes   3
Main pump:    
Type   Two (2) variable capacity piston pumps
Pumps for   Boom, arm, bucket, swing, and travel circuits
Maximum flow:    
Main 2 x 130.5 U.S. gpm 2 x 494 ltr/min
Fan drive pump   Variable capacity piston type
Hydraulic motors:    
Travel   Two (2) axial piston motors with parking brake
Swing   Two (2) axial piston motors with swing holding brake
Relief valve setting:    
Implement circuits 4,550 psi 31.4 MPa
320 kg/cm²    
Travel circuit 4,980 psi 34.3 MPa
350 kg/cm²    
Swing circuit 4,120 psi 28.4 MPa
290 kg/cm²    
Heavy lift circuit 4,980 psi 34.3 MPa
350 kg/cm²    
Pilot circuit 430 psi 2.9 MPa
30 kg/cm²    
Hydraulic cylinders / Number of cylinders: bore x stroke x rod diameter bore x stroke x rod diameter
Boom / 2 7.9" x 76.8" x 5.5" 200 mm x 1950 mm x 140 mm
Standard / 1 7.9" x 88.6" x 5.5" 200 mm x 2250 mm x 140 mm
SE / 2 7.3" x 63.4" x 4.7" 185 mm x 1610 mm x 120 mm
Bucket :    
Standard / 1 7.3" x 63.4" x 5.1" 185 mm x 1610 mm x 130 mm
SE / 1 8.9" x 55.9" x 6.3" 225 mm x 1420 mm x 160 mm
Swing System    
Driven method   Two (2) hydraulic motors
Swing reduction   Planetary gear
Swing circle lubrication   Grease-bathed
Swing lock   Oil disc brake
Swing speed   6.8 rpm
Swing torque 209,461 ft. lbs. 28968 kg•m
Drives & 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 125,660 lb 559 kN 57000 kg
Gradeability   70%
Maximum travel speed:    
High 2.6 mph 4.2 km/h
Low 1.7 mph 2.8 km/h
Service brake   Hydraulic lock
Parking brake   Oil disc brake
Center frame   H-leg
Track frame   Box-section
Track type   Sealed
Track adjuster   Hydraulic
No. of shoes   51 each side
No. of carrier rollers   3 each side
No. of track rollers   9 each side
Service Refill Capacities    
Fuel tank 258.9 U.S. gal 980 ltr
Radiator 26.4 U.S. gal 100 ltr
Engine 14 U.S. gal 53 ltr
Final drive, each side 5.3 U.S. gal 20 ltr
Swing drive 6.5 x 2 U.S. gal 24.5 x 2 ltr
Hydraulic tank 124.2 U.S. gal 470 ltr
Operating Weight (approximate)    
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 standard equipment.    
Shoes Operating Weight Ground Pressure
32" / 810 mm    
Double grouser 185,585 lb  
84180 kg 13.46 psi  
0.95 kg/cm²    
40" / 1010 mm    
Double grouser 188,670 lb  
85579 kg 10.99 psi  
0.77 kg/cm²