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Current number of specifications

Komatsu PC18MR-3 Mini Excavator

Selected Dimensions

H. Tail Swing Radius2.3 ft in715 mm


Electrical System
Alternator40 A
Starter1.2 kW
Operation voltage12 V
Battery41 Ah
Flywheel horsepower15 hp11.2 kw
Number of Cylinders3
Piston displacement47.5 cu in0.78 L
ModelKomatsu 3D67E-2
TypeSwirl chamber
Power Measured @2600 rpm
Fan drive typeMechanical
Fuel Tank5 gal19 L
Hydraulic Tank4 gal15.2 L
Engine Oil0.87 gal3.3 L
Coolant0.82 gal3.1 L
Boom size5.8 ft in1.8 m
Boom typeStandard​
Arm size3.2 ft in0.97 m
Bucket crowd force – ISO1620 kgf
Digging depth – maximum7.1 ft in2160 mm
Maximum reach @ ground level12.9 ft in3935 mm
Arm crowd force – ISO1010 kgf
Swing radius2.3 ft in715 mm
Arm typeStandard​
Digging reach – maximum13.2 ft in4025 mm
Bucket size – KGA standard GP0.03 yd30.03 m3
Travel speed (Maximum)2.7 mph4.3 km/h
Travel speed (Minimum)1.4 mph2.3 km/h
Swing speed8.9 rpm
Ground pressure4.6 psi31.7 kPa
Max. traction force3747.9 lb1700 kg
Gradeability30 degrees
Bucket digging force (ISO)3571.5 lb1620 kg
Arm crowd force (ISO)2226.7 lb1010 kg
Adjustment of the track tensionGrease
Number of Shoes per Side35
Number of Carrier Rollers per Side0
Number of Track Rollers per Side3
Max Drawbar Pull3747.9 lb1700 kg
Operating Weight3924.2 lb1780 kg
Hydraulic System
Type of hydraulic pumpVariable capacity x 1 gear x 1
Max. oil flow41.6 x 1 + 12.7 11.0 x 1 + 3.4
Hydraulic motor (Travel)Variable capacity x 2
Hydraulic motor (Swing)fixed capacity x 1
Max. pressure setting3340 psi23028.5 kPa
Auxiliary hydraulic flow9.2 gal/min35 L/min
Blade width990 or 1280 mm
Blade Height9.8 in250 mm
Drive methodHydrostatic
Type of travel brakeHydraulic lock type
Type of travel shoeRubber
Crawler length5.1 ft in1555 mm
Track shoe width0.75 ft in230 mm
Boom swing angle LH70 degrees
Boom swing angle RH50 degrees
Bucket offset LH1.5 ft in465 mm
Bucket offset RH2.6 ft in785 mm
Track Gauge3.4 ft in1045 mm
Overall length12 ft in3650 mm
Overall Width4.2 ft in1280 mm
Tail Swing Radius2.3 ft in715 mm
Overall Height7.9 ft in2410 mm