PC55MR-3

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Engine   
Model    Komatsu 4D88E-6 
Type    Direct injection 
Piston displacement  134 in³  2.19 ltr 
Horsepower @ 2400 rpm:     
Net (ISO 9249/SAE J1349)  38.2 HP  28.5 kW 
Electric System   
Operation voltage    12 V 
Battery    72 Ah 
Alternator    40 A 
Starter    2.3 kW 
Hydraulic System   
Type    HydrauMind 
Main pump:     
Type    Variable displacement x 2
Gear x 1 
Maximum flow  14.1 x 2 + 8.9 gal/min  53.5 x 2 + 33.8 ltr/min 
Hydraulic motors:     
Travel    Variable displacement x 2 
Swing    Fixed displacement x 1 
Maximum pressure setting  3,840 psi  270 kg/cm² 
Auxiliary flow  18.5 gal/min  70 ltr/min 
Performance   
Travel speed:     
High  2.9 mph  4.6 km/hr 
Low  1.7 mph  2.8 km/hr 
Swing speed    9.0 rpm 
Ground pressure  4.4 psi  0.31 kg/cm² 
Max. drawbar pull  9,440 lb  4280 kg 
Gradeability    30° 
Bucket digging force (ISO)  8,770 lb  3980 kg 
Arm crowd force (ISO)  5,380 lb  2440 kg 
Drives and Brakes   
Drive method    Hydrostatic 
Type of travel brake    Hydraulic lock 
Type of travel shoe    Rubber 
Undercarriage   
Adjustment of the track tension    Grease gun 
Number of carrier rollers (each side)   
Number of track rollers (each side)   
Refill Capacities   
Fuel tank  17.2 U.S. gal  65 ltr 
Hydraulic tank  5.3 U.S. gal  20 ltr 
Engine  2.0 U.S. gal  7.5 ltr 
Coolant  2.2 U.S. gal  8.5 ltr 
Operating Weight (approximate)   
Operating weight
(with ROPS canopy and rubber shoe) 
11,380 lb  5160 kg 
Blade   
Width x height  6'5" x 1'2"  1960 x 355 mm 

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