SPECS / COMPARISON
Komatsu D20PLL-7E vs Komatsu D21PL-7
A detailed comparison of the Komatsu D20PLL-7E and the Komatsu D21PL-7. Click a model name to view its full specifications.
Horsepower
Komatsu D20PLL-7E29.8 kW (40 HP)
Komatsu D21PL-729.8 kW (40 HP)
Operating Weight
Komatsu D20PLL-7E4710.0 kg (10383.8 lbs)
Komatsu D21PL-74080.0 kg (8994.9 lbs)
| Specification | Komatsu D20PLL-7E Crawler Dozers | Komatsu D21PL-7Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 29.8 kW (40 HP) | 29.8 kW (40 HP) |
| Operating Weight | 4710.0 kg (10383.8 lbs) | 4080.0 kg (8994.9 lbs) |
| Engine Manufacturer | Komatsu | Komatsu |
| Engine Model | 4 D94E | 4 D95S |
| Gross Power | 29.8 kW (40 HP) | 29.8 kW (40 HP) |
| Number of Cylinders | 4 | 4 |
| Displacement | 2776.0 cc (169.4 cu in.) | 2690.8 cc (164.2 cu in.) |
| Power Measured RPM | 2450 RPM | 2450 RPM |
| Transmission Type | Direct Drive | Hydrostatic |
| Number of Forward Gears | 3 | 2 |
| Number of Reverse Gears | 2 | 2 |
| Cab Height | 253.0 cm (99.6 in.) | 249.9 cm (98.4 in.) |
| Width Over Track | 289.6 cm (114.0 in.) | 219.5 cm (86.4 in.) |
| Length Overall | 365.8 cm (144.0 in.) | 347.5 cm (136.8 in.) |
| Length without Blade | 295.7 cm (116.4 in.) | 265.2 cm (104.4 in.) |
| Length of Track on Ground | 210.3 cm (82.8 in.) | 182.9 cm (72.0 in.) |
| Track Gauge | 185.9 cm (73.2 in.) | 149.4 cm (58.8 in.) |
| Ground Clearance | 36.6 cm (14.4 in.) | 36.6 cm (14.4 in.) |
| No of Carrier Rollers Per Side | 2 | — |
| No of Track Rollers Per Side | 7 | 6 |
| Shoe Size | 105.2 cm (41.4 in.) | 70.1 cm (27.6 in.) |
| Weight (Operating) | 4710.0 kg (10383.8 lbs) | 4080.0 kg (8994.9 lbs) |
| Track Pitch | 13.7 cm (5.4 in.) | 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.