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Komatsu Excavators PC45MR-3
PC45MR-3 Hydraulic Excavator
Got a job in tight quarters where you need to dig down 12 feet? No problem. The Komatsu Hydraulic Excavators PC45MR-3 can handle it and it also gives you the advantage of a swinging boom to get right up to foundations and the option of rubber, steel or roadliner tracks.
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
3.6 psi
0.25 kg/cm²
Max. drawbar pull
9,440 lb
4280 kg
Gradeability
30°
Bucket digging force (ISO)
7,630 lb
3460 kg
Arm crowd force (ISO)
4,850 lb
2200 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
6.7 ltr
Coolant
2.2 U.S. gal
8.5 ltr
Operating Weight (approximate)
Operating weight(with ROPS canopy and rubber shoe)
