PC88MR-8

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Engine   
Model    Komatsu SAA4D95LE-5 
Type    Water cooled, 4-cycle, direct injection 
Aspiration    Turbocharged, and air-to-air aftercooled 
Number of cylinders   
Piston displacement  199 in  3.26 ltr 
Horsepower @ 1950 rpm:     
Net (ISO 9249/SAE J1349)  65 HP  49 kW 
Electrical System   
Operating voltage    24 V 
Battery    55 Ah/2 x 12 V 
Alternator    35 A/24 V 
Starter    4.5 kW/24 V 
Hydraulic System   
Type - HydrauMind (Hydraulic Mechanical Intelligence New Design) system, Closed-center system with load-sensing valves and pressure-compensated valves 
Main pump:     
Type    Variable displacement, axial piston 
Maximum flow  42.3 U.S. gal/min  160 ltr/min 
Type    Fixed displacement gear 
Maximum flow  18.5 U.S. gal/min  70 ltr/min 
Hydraulic motors:     
Travel    2 x piston motor with parking brake 
Swing    1 x piston motor with swing holding brake 
Relief valve setting:     
Implement, travel circuit  3,840 psi  26.5 MPa
270 kgf/cm 
Swing and blade circuit  3,060 psi  21.1 MPa
215 kgf/cm 
Performance   
Travel speed:     
High  3.2 mph  5.1 km/hr 
Low  1.8 mph  2.9 km/hr 
Swing speed    10 rpm 
Ground pressure  5.4 psi  0.38 kg/cm 
Max. drawbar pull  15,050 lbf  66.9 kN / 6820 kgf 
Gradeability    35 
Bucket digging force (ISO)  13,780 lb  6250 kg 
Arm crowd force (ISO)  8,160 lb  3700 kg 
Swing System   
Driven by    Hydraulic motor 
Swing reduction    Planetary gear 
Swing circle lubrication    Grease-bathed 
Swing lock    Automatic, with oil immersed discs 
Drives and Brakes   
Steering control    Two levers with pedals 
Drive method    Fully hydrostatic 
Service brake    Hydraulic lock 
Parking brake    Mechanical discs 
Undercarriage   
Center frame    X-frame 
Track frame    Box-section 
Track type    Sealed track 
Track adjuster    Hydraulic 
Number of carrier rollers    1 each side 
Number of track rollers    5 each side 
Refill Capacities   
Fuel tank  33.0 U.S. gal  125 ltr 
Radiator  2.6 U.S. gal  10 ltr 
Engine  2.9 U.S. gal  11 ltr 
Final drive, each side  0.3 U.S. gal  1.1 ltr 
Swing drive  0.7 U.S. gal  2.8 ltr 
Hydraulic tank  14.8 U.S. gal  56 ltr 
Operating Weight (approximate)   
Operating weight including 3405 mm / 11'2" one-piece boom, 2100 mm / 6'11" arm, SAE heaped 0.28 m / 0.37 yd backhoe bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 
Operating Weight  18,558 lb  8420 kg 

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