PC170LC-10

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Engine   
Model    Komatsu SAA4D107E-2* 
Type    Water cooled, 4-cycle, direct injection 
Aspiration    Turbocharged, air-to-air aftercooled 
Number of cylinders   
Bore  4.21"  107 mm 
Stroke  4.88"  124 mm 
Piston displacement  272 in  4.46 ltr 
Horsepower:     
Gross (SAEJ1995) @ 2100 rpm  121 HP  90 kW 
Net (ISO 9249/SAEJ1349) @ 2100 rpm  115 HP  86 kW 
Governor    All speed control, electronic 
Lubrication system :     
Method    Gear pump, force-lubrication 
Filter    Full-flow 
Air cleaner    Air cleaner, double element and auto dust evacuator 
*EPA Tier 4 Interim and EU stage 3B emissions certified     
 
Hydraulics   
Type    HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valve 
Main pump:     
Type    Variable capacity piston type 
Pumps for    Boom, arm, bucket, swing, and travel circuits 
Maximum flow  79 gal/min  298 ltr/min 
     
Hydraulic motors:     
Travel    2 x piston motor with parking brake 
Swing    1 x axial piston motor with swing holding brake 
Relief valve setting:     
Implement circuits  5,450 psi  380 kgf/cm / 37.3 MPa 
Swing circuit  4,195 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  4.3" x 46.3" x 3.0"  110 mm x 1175 mm x 75 mm 
Arm / 1  4.7" x 52.8" x 3.3"  120 mm x 1342 mm x 85 mm 
Bucket / 1  4.1" x 40.4" x 2.8"  105 mm x 1027 mm x 70 mm 
 
Drives & Brakes   
Steering control    Two levers with pedals 
Drive method    Fully hydrostatic 
Maximum drawbar pull  35,164 lb  15950 kgf / 156 kN 
Gradeability  35  70% 
Maximum travel speed:     
High  3.4 mph  5.5 km/h 
Low (Auto-Shift)  1.9 mph  3.0 km/h 
Service brake    Hydraulic lock 
Parking brake    Mechanical disc 
 
Swing System   
Drive method    Hydraulic motor 
Swing reduction    Planetary gear 
Swing circle lubrication    Grease-bathed 
Swing lock    Mechanical disc brake 
Swing speed    12.0 rpm 
Swing torque  31,314 ft lbs  4331 kgm 
 
Undercarriage   
Center frame    X-frame leg 
Track frame    Box-section 
Track type    Sealed 
Track adjuster    Hydraulic 
Number of shoes (each side)    44 
Number of carrier rollers (each side)   
Number of track rollers (each side)   
 
Coolant & Lubricant Capacity (refilling)   
Fuel tank  79.25 U.S. gal  300 ltr 
Coolant  4.9 U.S. gal  23.5 ltr 
Engine  4.8 U.S. gal  18 ltr 
Final drive, each side  1.43 U.S. gal  5.4 ltr 
Swing drive  1.2 U.S. gal  4.5 ltr 
Hydraulic tank  32.0 U.S. gal  121 ltr 
 
Operating Weight (APROXIMATE)   
Operating weight including 5150 mm / 16'11" one-piece boom, 2610 mm / 8'7" arm, SAE heaped 0.65 m / 0.85 yd backhoe bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 
Shoes:  Operating Weight:  Ground Pressure: 
24"
600 mm 
38,600 lb
17500 kg 
5.98 psi
0.42 kgf/cm / 41.2 kPa 
28"
700 mm 
39,104 lb
17739 kg 
5.06 psi
0.37 kgf/cm / 36.2 kPa 

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