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Current number of specifications

 
Komatsu PC55MR-3 Mini Excavator

Selected Dimensions

Dimensions
H. Tail Swing Radius3.5 ft in1060 mm

Specification

Electrical System
Alternator40 A
Starter2.3 kW
Operation voltage12 V
Battery72 Ah
Engine
Flywheel horsepower38.2 hp28.5 kw
Number of Cylinders4
Piston displacement133.6 cu in2.2 L
ModelKomatsu 4D88E–6
TypeDirect injection
Power Measured @2400 rpm
Fan drive typeMechanical
Capacities
Fuel Tank17.2 gal65 L
Hydraulic Tank5.3 gal20 L
Engine Oil2 gal7.5 L
Coolant2.2 gal8.5 L
Operational
Boom size9.5 ft in2.9 m
Boom typeStandard​
Arm size5.4 ft in1.6 m
Arm crowd force – ISO2440 kgf
Maximum reach @ ground level19.9 ft in6070 mm
Digging reach – maximum20.4 ft in6220 mm
Bucket crowd force – ISO3980 kgf
Bucket size – KGA standard GP0.2 yd30.15 m3
Digging depth – maximum12.5 ft in3800 mm
Arm typeStandard​
Swing radius3.5 ft in1060 mm
Performance
Travel speed (Maximum)2.9 mph4.6 km/h
Travel speed (Minimum)1.7 mph2.8 km/h
Swing speed9 rpm
Ground pressure4.1 psi28.3 kPa
Max. traction force9435.8 lb4280 kg
Gradeability30 degrees
Bucket digging force (ISO)8774.4 lb3980 kg
Arm crowd force (ISO)5379.3 lb2440 kg
Undercarriage
Adjustment of the track tensionGrease
Number of Shoes per Side39 (steel)
Number of Carrier Rollers per Side1
Number of Track Rollers per Side4
Weights
Operating Weight11375.9 lb5160 kg
Hydraulic System
Type of hydraulic pumpVariable capacity x 2 gear x 1
Max. oil flow53.5 x 2 + 33.8 14.1 x 2 + 8.9
Hydraulic motor (Travel)Variable capacity x 2
Hydraulic motor (Swing)fixed capacity x 1
Max. pressure setting3840 psi26475.8 kPa
Auxiliary hydraulic flow18.5 gal/min70 L/min
Blade
Blade Width6.4 ft in1960 mm
Blade Height14 in355 mm
DRIVE SYSTEM
Drive methodHydrostatic
Type of travel brakeHydraulic lock type
Type of travel shoeRubber
Dimensions
Crawler length8.3 ft in2520 mm
Track shoe width1.3 ft in400 mm
Boom swing angle LH85 degrees
Boom swing angle RH50 degrees
Bucket offset LH2.1 ft in630 mm
Bucket offset RH2.9 ft in880 mm
Track Gauge5.1 ft in1560 mm
Overall length18.2 ft in5550 mm
Overall Width6.4 ft in1960 mm
Tail Swing Radius3.5 ft in1060 mm
Overall Height8.4 ft in2550 mm