SPECS / COMPARISON
Komatsu PC40MRX-1 vs Caterpillar 304 CR
A detailed comparison of the Komatsu PC40MRX-1 and the Caterpillar 304 CR. Click a model name to view its full specifications.
Horsepower
Komatsu PC40MRX-128 kW (38 HP)
Caterpillar 304 CR27 kW (36 HP)
Weight
Komatsu PC40MRX-14491 kg (9900 lbs)
Caterpillar 304 CR4489 kg (9896 lbs)
Operating Weight
Komatsu PC40MRX-14491 kg (9900 lbs)
Caterpillar 304 CR4489 kg (9896 lbs)
| Specification | Komatsu PC40MRX-1 Mini Excavators | Caterpillar 304 CR Mini Excavators |
|---|---|---|
| Excavator Type | Mini Excavator | Mini Excavator |
| Weight | 4491 kg (9900 lbs) | 4489 kg (9896 lbs) |
| Horsepower | 28 kW (38 HP) | 27 kW (36 HP) |
| Digging Depth | 341 cm (134 in.) | 335 cm (132 in.) |
| Max Digging Depth | 341 cm (134 in.) | 335 cm (132 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.) | — |
| Engine Make | Komatsu | — |
| Engine Model | 3 D84E | 3013 |
| Net Power | 28 kW (38 HP) | 27 kW (36 HP) |
| Gross Power | 30.6 kW (41.1 HP) | 28 kw (37 hp) |
| 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) | — |
| Operating Weight | 4491 kg (9900 lbs) | 4489 kg (9896 lbs) |
| Max Travel Speed | 4.3 km (2.7 mph) | 4.7 km (2.9 mph) |
| Swing Speed | 9 RPM | Machine 9.3 RPM |
| Cab Height | 259.1 cm (102.0 in.) | — |
| Fuel Capacity | 60.2 l (15.9 gal) | — |
| Ground Pressure | 26.2 kPa (3.8 psi) | — |
| Displacement | 1995.9 cc (122 cu. in.) | 1753.4 cc (107 cu. in.) |
| Shoe Size | 40.1 cm (15.8 in.) | — |
| No of Cylinders | 3 | — |
| Max Cutting Height | 521.2 cm (205.2 in.) | — |
| Track Gauge | 158.5 cm (62.4 in.) | 198.1 cm (78.0 in.) |
| Removal Counterweight Clearance | 64.0 cm (25.2 in.) | — |
| Blade Lift Height | — | 43 cm (17.8 in.) |
| Stroke | — | 9.4 cm (3.7 in) |
| Bore | — | 7.9 cm (3.1 in) |
| Boom Swing(Left) | — | 80 ° |
| Boom Swing(Right) | — | 50 ° |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.