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Komatsu Excavators PC55MR-3
PC55MR-3 Hydraulic Excavator
You'll be surprised the amount a work 38 horsepower can do when it's harnessed in the PC55MR-3. Constructed like a big Komatsu excavator with a high strength x-frame, PPC joysticks, pattern change valve but with the addition of a swinging boom, three track option and tight tail swing, the PC55MR-3 Hydraulic Excavator is ready for any challenge you can put in it's way.
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 2Gear 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)
1
Number of track rollers (each side)
4
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 ltr
Coolant
2.2 U.S. gal
8.5 ltr
Operating Weight (approximate)
Operating weight(with ROPS canopy and rubber shoe)
