Komatsu Excavators PC650LC-8

PC650LC-8 Hydraulic Excavator

The Komatsu Excavators PC650LC-8 has the features you need to achieve your production goals. Three working modes with a lift mode that provides 17% more lifting force, two boom mode settings and Power Max to power through tough material will give your operator the tools he needs to meet your production challenges.

Engine
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
Horsepower:
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

Hydraulics
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

Undercarriage
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	65.5 U.S. gal	248 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
750 mm / 29.5" Triple grouser	64150 kg 141,427 lb	84.3 kPa 0.86 kgf/cm2 12.3 psi
900 mm / 35.5" Triple grouser	65050 kg 143,411 lb	71.1 kPa 0.73 kgf/cm2 10.3 psi