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)
| Specification | Caterpillar 304.5 Mini Excavators | Komatsu PC40MRX-1 Mini Excavators |
|---|---|---|
| Excavator Type | Mini Excavator | Mini Excavator |
| Weight | 4595 kg (10130 lbs) | 4491 kg (9900 lbs) |
| Horsepower | 28 kW (38 HP) | 28 kW (38 HP) |
| Digging Depth | 372 cm (146 in.) | 341 cm (134 in.) |
| Max Digging Depth | 372 cm (146 in.) | 341 cm (134 in.) |
| Engine Make | Caterpillar | Komatsu |
| Engine Model | 3013 | 3 D84E |
| Net Power | 28 kW (38 HP) | 28 kW (38 HP) |
| Gross Power | 29 kw (39 hp) | 30.6 kW (41.1 HP) |
| Operating Weight | 4595 kg (10130 lbs) | 4491 kg (9900 lbs) |
| Max Travel Speed | 4.7 km (2.9 mph) | 4.3 km (2.7 mph) |
| Swing Speed | Machine 8.5 RPM | 9 RPM |
| Blade Height | 36 cm (14.6 in) | — |
| Blade Lift Height | 41 cm (16.5 in.) | — |
| Stroke | 10.2 cm (4.0 in) | — |
| Bore | 8.1 cm (3.2 in) | — |
| Boom Swing(Left) | 42 ° | — |
| Boom Swing(Right) | 50 ° | — |
| Displacement | 2215.5 cc (135 cu. in.) | 1995.9 cc (122 cu. in.) |
| Track Gauge | 152.4 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.

