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SPECS / COMPARISON

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

FeatureCaterpillar 304.5ExcavatorKomatsu PC40MRX-1Excavator
Excavator TypeMini ExcavatorMini Excavator
Weight4595 kg4491 kg
Horsepower28 kW28 kW
Digging Depth372 cm341 cm
Max Digging Depth372 cm341 cm
Engine MakeCaterpillarKomatsu
Engine Model30133 D84E
Net Power28 kW28 kW
Gross Power29 kw30.6 kW
Operating Weight4595 kg4491 kg
Max Travel Speed4.7 km4.3 km
Swing SpeedMachine 8.5 RPM9 RPM
Blade Height36 cm—
Blade Lift Height41 cm—
Stroke10.2 cm—
Bore8.1 cm—
Boom Swing(Left)42 °—
Boom Swing(Right)50 °—
Displacement2215.5 cc1995.9 cc
Track Gauge152.4 cm158.5 cm
Max Loading Height—353.6 cm
Max Reach Along Ground—551.7 cm
Max Digging Reach—335.3 cm
Max Vertical Wall Digging Depth—271.3 cm
Overall Length—524.3 cm
Track Length—2316.5 cm
Length of Track on Ground—195.1 cm
Reference Bucket Capacity—0.2 m2
Max Bucket Capacity—0.2 m2
Min Bucket Capacity—0.1 m2
Ground Clearance—33.5 cm
Tail Swing Radius—106.7 cm
Overall Width—198.1 cm
Rated Power—2500 RPM
Hydraulic Pump Flow Capacity—110 LPM
Hydraulic System Capacity—68.1 l
Relief Valve Pressure—260 Bar
Cab Height—259.1 cm
Fuel Capacity—60.2 l
Ground Pressure—26.2 kPa
Shoe Size—40.1 cm
No of Cylinders—3
Max Cutting Height—521.2 cm
Removal Counterweight Clearance—64.0 cm
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