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SPECS / COMPARISON

Caterpillar 304.5 vs Komatsu PC40MRX-1

A detailed comparison of the Caterpillar 304.5 and the Komatsu PC40MRX-1. Click a model name to view its full specifications.

Horsepower
Caterpillar 304.528 kW (38 HP)
Komatsu PC40MRX-128 kW (38 HP)
Weight
Caterpillar 304.54595 kg (10130 lbs)
Komatsu PC40MRX-14491 kg (9900 lbs)
Operating Weight
Caterpillar 304.54595 kg (10130 lbs)
Komatsu PC40MRX-14491 kg (9900 lbs)
SpecificationCaterpillar 304.5Caterpillar 304.5Mini ExcavatorsKomatsu PC40MRX-1Komatsu PC40MRX-1Mini Excavators
Excavator TypeMini ExcavatorMini Excavator
Weight4595 kg (10130 lbs)4491 kg (9900 lbs)
Horsepower28 kW (38 HP)28 kW (38 HP)
Digging Depth372 cm (146 in.)341 cm (134 in.)
Max Digging Depth372 cm (146 in.)341 cm (134 in.)
Engine MakeCaterpillarKomatsu
Engine Model30133 D84E
Net Power28 kW (38 HP)28 kW (38 HP)
Gross Power29 kw (39 hp)30.6 kW (41.1 HP)
Operating Weight4595 kg (10130 lbs)4491 kg (9900 lbs)
Max Travel Speed4.7 km (2.9 mph)4.3 km (2.7 mph)
Swing SpeedMachine 8.5 RPM9 RPM
Blade Height36 cm (14.6 in)—
Blade Lift Height41 cm (16.5 in.)—
Stroke10.2 cm (4.0 in)—
Bore8.1 cm (3.2 in)—
Boom Swing(Left)42 °—
Boom Swing(Right)50 °—
Displacement2215.5 cc (135 cu. in.)1995.9 cc (122 cu. in.)
Track Gauge152.4 cm (60.0 in.)158.5 cm (62.4 in.)
Max Loading Height—353.6 cm (139.2 in.)
Max Reach Along Ground—551.7 cm (217.2 in.)
Max Digging Reach—335.3 cm (132.0 in.)
Max Vertical Wall Digging Depth—271.3 cm (106.8 in.)
Overall Length—524.3 cm (206.4 in.)
Track Length—2316.5 cm (912.0 in.)
Length of Track on Ground—195.1 cm (76.8 in.)
Reference Bucket Capacity—0.2 m2 (0.2 cu yds)
Max Bucket Capacity—0.2 m2 (0.3 cu yds)
Min Bucket Capacity—0.1 m2 (0.1 cu yds)
Ground Clearance—33.5 cm (13.2 in.)
Tail Swing Radius—106.7 cm (42.0 in.)
Overall Width—198.1 cm (78.0 in.)
Rated Power—2500 RPM
Hydraulic Pump Flow Capacity—110 LPM (29.1 GPM)
Hydraulic System Capacity—68.1 l (18.0 gal)
Relief Valve Pressure—260 Bar (3770 psi)
Cab Height—259.1 cm (102.0 in.)
Fuel Capacity—60.2 l (15.9 gal)
Ground Pressure—26.2 kPa (3.8 psi)
Shoe Size—40.1 cm (15.8 in.)
No of Cylinders—3
Max Cutting Height—521.2 cm (205.2 in.)
Removal Counterweight Clearance—64.0 cm (25.2 in.)

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

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