Komatsu Excavators PC290LC-10

PC290LC-10 Hydraulic Excavator

Precision, power, stability, you get it all in the Komatsu Excavators PC290LC-10. With six working modes, Power Max, Tier 4 interim engine technology can save up to 10% on your fuel bill compared to the previous model and you have an excavator that will tackle any job you can throw at it.

Engine
Model		Komatsu SAA6D107E-2*
Type		Water-cooled, 4-cycle, direct injection
Aspiration		Turbocharged, aftercooled, cooled EGR
Number of cylinders		6
Bore	4.21"	107 mm
Stroke	4.88"	124 mm
Piston displacement	408 in³	6.69 ltr
Horsepower:
SAE J1995 : Gross	213 HP	159 kW
ISO 9249/SAE J1349 : Net	196 HP	147 kW
Rated rpm		2050 rpm
Fan drive type		Mechanical
Governor		All-speed control, electronic.
*EPA Tier 4 Interim and EU Stage 3B emissions certified.

Hydraulics
Type . . HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center system with load sensing valves and pressure compensated valves
Number of selectable working modes		6
Main pump
Type		Variable displacement piston type
Pumps for		Boom, arm, bucket, swing, and travel circuits
Maximum flow	126.5 U.S. gal/min	479 ltr/min
Supply for control circuit		Self-reducing valve
Hydraulic motors:
Travel		2 x axial piston motors with parking brake
Swing		1 x axial piston motor with swing holding brake
Relief valve setting:
Implement circuits	5,400 psi	380 kgf/cm²/ 37.3 MPa
Travel circuit	5,400 psi	380 kgf/cm² / 37.3 MPa
Swing circuit	4,190 psi	295 kgf/cm²/ 28.9 MPa
Pilot circuit	470 psi	33 kgf/cm² / 3.2 MPa
Hydraulic cylinders:
Number of cylinders	Bore x Stroke x Rod Diameter	Bore x Stroke x Rod Diameter
Boom / 2	5.5" x 51.2" x 3.9"	140 mm x 1300 mm x 100 mm
Arm / 1	5.9" x 64.3" x 4.3"	150 mm x 1635 mm x 110 mm
Bucket / 1	5.5" x 39.7" x 3.9"	140 mm x 1009 mm x 100 mm

Drives and Brakes
Steering control		Two levers with pedals
Drive method		Hydrostatic
Maximum drawbar pull	56,000 lb	249 kN / 25400 kg
Maximum travel speed: (Auto-Shift)
High	3.4 mph	5.5 km/h
Mid	2.5 mph	4.1 km/h
Low	1.9 mph	3.0 km/h
Service brake		Hydraulic lock
Parking brake		Mechanical disc brake

Swing System
Drive method		Hydrostatic
Swing reduction		Planetary gear
Swing circle lubrication		Grease-bathed
Service brake		Hydraulic lock
Holding brake/Swing lock		Mechanical disc brake
Swing speed		10.5 rpm
Swing torque	64,292 ft lbs	8889 kg•m

Undercarriage
Center frame	X-frame
Track frame	Box-section
Seal of track	Sealed track
Track adjuster	Hydraulic
Number of shoes	48 each side
Number of carrier rollers	2 each side
Number of track rollers	8 each side

Coolant and Lubricant Capacity (Refilling)
Fuel tank	105.7 U.S. gal	400 ltr
Coolant	9.5 U.S. ga	36 ltr
Engine	6.1 U.S. gal	23.1 ltr
Final drive, each side	2.2 U.S. gal	8.5 ltr
Swing drive	1.9 U.S. gal	7.2 ltr
Hydraulic tank	34.9 U.S. gal	132 ltr
Hydraulic system	66.0 U.S. gal	250 ltr

Operating Weight (APROXIMATE)
Operating weight, including 6150 mm / 20'2" one-piece boom, 3200 mm / 10'6" arm, SAE heaped 1.41 m³ / 1.85 yd³ backhoe bucket*, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.
Shoes	28"	700 mm
Operating Weight	67,396 lb	30570 kg
Ground Pressure	7.17 psi	0.50 kg/cm²
Shoes	31.5''	800 mm
Operating Weight	68,234 lb	30950 kg
Ground Pressure	6.36 psi	0.45 kg/cm²
Shoes	33.5"	850 mm
Operating Weight	68,654 lb	31141 kg
Ground Pressure	6.01 psi	0.42 kg/cm²
Component Weights
Arm including bucket cylinder and linkage
3200 mm / 10'6" arm assembly	3,157 lb	1432 kg
3500 mm / 11'6" arm assembly	3,316 lb	1504 kg
One piece boom including arm cylinder:
6150 mm / 20'2" boom asssembly	5,397 lb	2448 kg
Boom cylinders x 2	509 lb	231 kg
Counterweight	12,148 lb	5510 kg
1.41 m³ / 1.85 yd³ bucket - 48" width	2,399 lb	1088 kg