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Komatsu Excavators PC290LC-10

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

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