PC290LC-10

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Engine   
Model    Komatsu SAA6D107E-2* 
Type    Water-cooled, 4-cycle, direct injection 
Aspiration    Turbocharged, aftercooled, cooled EGR 
Number of cylinders   
Bore  4.21''  107 mm 
Stroke  4.88''  124 mm 
Piston displacement  408 in  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   
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 motor with parking brake 
Swing    1 x axial piston motor with swing holding brake 
Relief valve setting:     
Implement circuits  5,400 psi  380 kgf/cm/ 37.3 MPa 
Travel circuit  5,400 psi  380 kgf/cm / 37.3 MPa 
Swing circuit  4,190 psi  295 kgf/cm/ 28.9 MPa 
Pilot circuit  470 psi  33 kgf/cm / 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 & Brakes   
Steering control    Two levers with pedals 
Drive method    Hydrostatic 
Maximum drawbar pull  56,000 lb  249 kN / 25400 kg 
Gradeability  35  70% 
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 kgm 
 
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 & Lubricant Capacity (refilling)   
Fuel tank  105.7 U.S. gal  400 ltr 
Coolant  9.5 U.S. gal  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 (approximate)   
Operating weight, including 6150 mm / 20'2" one-piece boom, 3200 mm / 10'6" arm, SAE heaped 1.41 m / 1.85 yd 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/cm 
Shoes  31.5''  800 mm 
Operating Weight:  68,234 lb  30950 kg 
Ground Pressure  6.36 psi  0.45 kg/cm 
Shoes  33.5"  850 mm 
Operating Weight:  68,654 lb  31141 kg 
Ground Pressure  6.01 psi  0.42 kg/cm 
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 m / 1.85 yd bucket - 48" width  2,399 lb  1088 kg 

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