Komatsu PC650LC-8

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● High Work Equipment Speed
Arm quick-return circuit and fast bucket dump speed provides efficient loading operation

● Lift Mode
Lift mode increases lifting capacity by 17%

● Large Digging Force
Pressing the Power Max button temporarily increases digging force by 8%

● Two-mode Setting for Boom
Switch selection allows either powerful digging or smooth boom operation.

● Excellent Swing Performance
is achieved by twin swing motor system.

● Large Drawbar Pull and Steering Force
provides excellent mobility.


● Strengthened Boom and Arm

● 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
Each main pump has a high pressure inline filter to provide an extra level of hydraulic system protection on the high pressure side of the pump

● Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed severe testing.
• Controllers
• Sensors
• Connectors
• Heat resistant wiring.


● Reversible Cooling Fan
Fan reverse-rotation function simplifies radiator and oil cooler cleaning

● Radiator and oil cooler are easily serviced with full-open type engine hood

● Centralized Arrangement of Engine Checkpoints

● Slip-resistant plates for improved foot traction during maintenance

● Large Handrails, Steps, and Catwalk
provide easy access to the engine and hydraulic equipment

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 320 kW / 429 HP net. This engine is EPA Tier 3 and EU Stage 3A emissions certified, without sacrificing power or productivity.

● Economy Mode Four-level Setting
Enables the operator to select the appropriate Economy mode level to match the production requirement with the lowest fuel consumption

● Low Operational Noise
Meets the EU Tier 2 noise regulations.
• Electronically controlled variable speed fan drive
• Large hybrid fan
• Low-noise muffler and noise reducing cover around the 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) 433 HP 323 kW
ISO9249 / SAE J1349 (Net) 429 HP 320 kW
Hydraulic fan at maximum speed (Net) 386 HP 288 kW
Rated rpm   1800 rpm
Fan drive type   Hydraulic
Type   Open-center load-sensing system
Number of selectable working modes   3
Main pump:    
Type   Variable capacity piston pump
Pumps for   Boom, arm, bucket, swing, and travel circuits
Maximum flow 2 x 108 U.S. gpm 2 x 410 ltr/min
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 4,620 psi 31.9 MPa
325 kg/cm²    
Travel circuit 4,980 psi 34.3 MPa
350 kg/cm²    
Swing circuit 3,700 psi 25.5 MPa
260 kg/cm²    
Pilot circuit 430 psi 2.9 MPa
30 kg/cm²    
Hydraulic cylinders / Number of cylinders: Bore x Stroke: Bore x Stroke:
Boom / 2 7.3" x 67.9" 185 mm x 1725 mm
Arm / 1 7.9" x 80.5" 200 mm x 2045 mm
Bucket / 1 7.3" x 56.1" 185 mm x 1425 mm
or 2.9 m 9.6" Arm / 1 7.3" x 63.4" 185 mm x 1610 mm
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 93,250 lb 415 kN / 42300 kg
Gradeability   70%
Maximum travel speed:    
Low 1.9 mph 3.0 km/h
High 3.0 mph 4.9 km/h
Service brake   Hydraulic lock
Parking brake   Oil disc brake
Swing System    
Driven method   Hydraulic motors (2)
Swing reduction   Planetary gear
Swing circle lubrication   Grease bathed
Swing lock   Oil disc brake
Swing speed   8.3 rpm
Swing torque 154,481 ft. lbs. 21365 kg•m
Center frame   H-leg frame
Track frame   Box-section
Track type   Sealed
Track adjuster   Hydraulic
No. of shoes   52 each side
No. of carrier rollers   3 each side
No. of track rollers   9 each side
Coolant and Lubricant Capacity (refilling)    
Fuel tank 232.5 U.S. gal 880 ltr
Radiator 15.3 U.S. gal 58 ltr
Engine 10.6 U.S. gal 40 ltr
Final drive, each side 2.6 U.S. gal 10 ltr
Swing drive 2 x 3.4 U.S. gal 2 x 13 ltr
Hydraulic tank 95.0 U.S. gal 360 ltr
Operating Weight (approximate)    
Operating weight, including 7660 mm 25'2" boom, 3500 mm 11'6" arm, SAE heaped 2.7 m3 3.53 yd3 backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment.    
Shoes Operating Weight Ground Pressure
24" / 600 mm    
Double grouser 128,530 lb  
58300 kg 13.9 psi  
0.98 kg/cm²    
29.5" / 750 mm    
Triple grouser 130,290 lb  
59100kg 11.4 psi  
0.80 kg/cm²    
35.5" / 900 mm    
Triple grouser 132,280 lb  
60000 kg 9.5 psi  
0.67 kg/cm²