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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureKomatsu PC55MR-3ExcavatorKomatsu PC50MR-2Excavator
Excavator TypeMini ExcavatorMini Excavator
Weight5160 kg5039 kg
Horsepower28 kW29 kW
Digging Depth381 cm381 cm
Max Digging Depth381 cm381 cm
Max Loading Height423.7 cm423.7 cm
Max Reach Along Ground609.6 cm609.6 cm
Max Vertical Wall Digging Depth304.8 cm304.8 cm
Overall Length557.8 cm557.8 cm
Tail Swing Radius106.7 cm106.7 cm
Overall Width198.1 cm195.1 cm
Engine MakeKomatsuKomatsu
Engine Model4 D88E-63 D88E-5
Net Power28 kW29 kW
Gross Power30.6 kW31.4 kW
Rated Power2400 RPM2350 RPM
Hydraulic Pump Flow Capacity140 LPM—
Hydraulic System Capacity20.1 l54.9 l
Relief Valve Pressure265 Bar—
Operating Weight5160 kg5039 kg
Max Travel Speed4.7 km4.7 km
Swing Speed9 RPM9 RPM
Cab Height256.0 cm262.1 cm
Cooling Capacity8.7 l7.2 l
Fuel Capacity65.1 l65.1 l
Engine Oil Capacity7.6 l7.9 l
Operating VoltageOperating Voltage 12 VOperating Voltage 12 V
Ground Pressure30.3 kPa—
Number of Carrier Rollers per Side11
Number of Track Rollers per Side44
Displacement2195.9 cc2195.9 cc
Shoe Size40.1 cm—
Max Cutting Height597.4 cm597.4 cm
Alternator40 A40 A
Track Gauge158.5 cm—
Drawbar Pull3.978 kg—
Reference Bucket Capacity—0.1 m2
Max Bucket Capacity—0.2 m2
Min Bucket Capacity—0.1 m2
Ground Clearance—36.6 cm
Aspiration—Naturally
Max Torque—139.1 Nm
No of Cylinders—4
Torque Power—1440 RPM
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051