SPECS / COMPARISON
Komatsu D31P-20 vs Komatsu D31P-20AE
A detailed comparison of the Komatsu D31P-20 and the Komatsu D31P-20AE. Click a model name to view its full specifications.
Horsepower
Komatsu D31P-2052.2 kW (70 HP)
Komatsu D31P-20AE52.9 kW (71 HP)
Operating Weight
Komatsu D31P-206195.0 kg (13657.7 lbs)
Komatsu D31P-20AE6930.0 kg (15278.1 lbs)
| Specification | Komatsu D31P-20 Crawler Dozers | Komatsu D31P-20AE Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 52.2 kW (70 HP) | 52.9 kW (71 HP) |
| Operating Weight | 6195.0 kg (13657.7 lbs) | 6930.0 kg (15278.1 lbs) |
| Engine Manufacturer | Komatsu | Komatsu |
| Engine Model | S4D102E | S4D102E-1-A |
| Net Power | 52.2 kW (70 HP) | — |
| Aspiration | Turbocharged | — |
| Displacement | 3900.1 cc (238 cu in.) | 3921.4 cc (239.3 cu in.) |
| Power Measured RPM | 2350 RPM | 2350 RPM |
| Transmission Type | Hydrostatic | Hydrostatic |
| Number of Forward Gears | 3 | 3 |
| Number of Reverse Gears | 3 | 3 |
| Max Speed Forward | 6.6 km/h (4.1 mph) | — |
| Max Speed Reverse | 7.2 km/h (4.5 mph) | — |
| Ground Pressure | 0.2 bar (3.3 psi) | — |
| Fuel Capacity | 115.1 l (30.4 gal) | — |
| Engine Oil Capacity | 14.0 l (3.7 gal) | — |
| Cooling System Capacity | 22.3 l (5.9 gal) | — |
| Final Drives Capacity | 9.8 l (2.6 gal) | — |
| Pump type | Gear type | — |
| Relief Valve Pressure | 172.0 bar (2494.7 psi) | — |
| Track Gauge | 146.3 cm (57.6 in.) | 167.6 cm (66.0 in.) |
| Ground Contact Area | 66600.5 cm³ (4064.2 cu in.) | — |
| No of Shoes Per Side | 41 | — |
| No of Track Rollers Per Side | 6 | 6 |
| Shoe Size | 60.2 cm (23.7 in.) | 60.2 cm (23.7 in.) |
| Weight (Operating) | 6195.0 kg (13657.7 lbs) | 6930.0 kg (15278.1 lbs) |
| Gross Power | — | 52.9 kW (71 HP) |
| Number of Cylinders | — | 4 |
| Cab Height | — | 274.3 cm (108.0 in.) |
| Width Over Track | — | 225.6 cm (88.8 in.) |
| Length Overall | — | 396.2 cm (156.0 in.) |
| Length without Blade | — | 304.8 cm (120.0 in.) |
| Length of Track on Ground | — | 219.5 cm (86.4 in.) |
| Ground Clearance | — | 39.6 cm (15.6 in.) |
| Track Pitch | — | 15.5 cm (6.1 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.
