SPECS / COMPARISON
Hitachi DX45M vs Komatsu D21PL-7E
A detailed comparison of the Hitachi DX45M and the Komatsu D21PL-7E. Click a model name to view its full specifications.
Horsepower
Hitachi DX45M29.8 kW (40 HP)
Komatsu D21PL-7E29.8 kW (40 HP)
| Specification | Hitachi DX45M Crawler Dozers | Komatsu D21PL-7E Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 29.8 kW (40 HP) | 29.8 kW (40 HP) |
| Engine Manufacturer | Isuzu | Komatsu |
| Engine Model | 4 JB1 | 4 D94E |
| Net Power | 29.8 kW (40 HP) | — |
| Displacement | 2771.1 cc (169.1 cu in.) | 2776.0 cc (169.4 cu in.) |
| Transmission Type | Dual Power Shift | Hydrostatic |
| Number of Forward Gears | 3 | 2 |
| Number of Reverse Gears | 3 | 2 |
| Cab Height | 253.0 cm (99.6 in.) | 249.9 cm (98.4 in.) |
| Width Over Track | 201.2 cm (79.2 in.) | 219.5 cm (86.4 in.) |
| Length Overall | 350.5 cm (138.0 in.) | 347.5 cm (136.8 in.) |
| Length without Blade | 246.9 cm (97.2 in.) | 265.2 cm (104.4 in.) |
| Length of Track on Ground | 170.7 cm (67.2 in.) | 182.9 cm (72.0 in.) |
| Track Gauge | 149.4 cm (58.8 in.) | 149.4 cm (58.8 in.) |
| Ground Clearance | 30.5 cm (12.0 in.) | 36.6 cm (14.4 in.) |
| Shoe Size | 51.1 cm (20.1 in.) | 70.1 cm (27.6 in.) |
| Operating Weight | — | 4110.0 kg (9061 lbs) |
| Gross Power | — | 29.8 kW (40 HP) |
| Power Measured RPM | — | 2450 RPM |
| No of Track Rollers Per Side | — | 6 |
| Weight (Operating) | — | 4110.0 kg (9061 lbs) |
| Track Pitch | — | 13.7 cm (5.4 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.