SPECS / COMPARISON
Komatsu D31P-18A vs John Deere 550
A detailed comparison of the Komatsu D31P-18A and the John Deere 550. Click a model name to view its full specifications.
Horsepower
Komatsu D31P-18A52.9 kW (71 HP)
John Deere 55053.7 kW (72 HP)
Operating Weight
Komatsu D31P-18A6800.0 kg (14991.5 lbs)
John Deere 5507144.1 kg (15750 lbs)
| Specification | Komatsu D31P-18A Crawler Dozers | John Deere 550 Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 52.9 kW (71 HP) | 53.7 kW (72 HP) |
| Operating Weight | 6800.0 kg (14991.5 lbs) | 7144.1 kg (15750 lbs) |
| Engine Manufacturer | Komatsu | John Deere |
| Engine Model | 6 D95L | 300 Series |
| Gross Power | 52.9 kW (71 HP) | — |
| Number of Cylinders | 6 | 4 |
| Displacement | 4891.5 cc (298.5 cu in.) | 4522.8 cc (276 cu in.) |
| Power Measured RPM | 2350 RPM | 2200 RPM |
| Transmission Type | Hydrostatic | PowerShift |
| Number of Forward Gears | 3 | 3 |
| Number of Reverse Gears | 3 | 3 |
| Cab Height | 274.3 cm (108.0 in.) | — |
| Width Over Track | 225.6 cm (88.8 in.) | 243.8 cm (96.0 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.) | — |
| Track Gauge | 167.6 cm (66.0 in.) | — |
| Ground Clearance | 39.6 cm (15.6 in.) | 57.9 cm (22.8 in.) |
| No of Shoes Per Side | 41 | — |
| No of Track Rollers Per Side | 6 | — |
| Shoe Size | 60.2 cm (23.7 in.) | — |
| Weight (Operating) | 6800.0 kg (14991.5 lbs) | 7144.1 kg (15750 lbs) |
| Track Pitch | 15.5 cm (6.1 in.) | — |
| Pump Flow | — | 56.8 LPM (15 GPM) |
| Net Power | — | 53.7 kW (72 HP) |
| Aspiration | — | Turbocharged |
| Max Torque | — | 311.8 N-m (230 lbs/ft) |
| Torque Measured RPM | — | 1200 RPM |
| Fuel Capacity | — | 136.3 l (36 gal) |
| Cooling System Capacity | — | 18.9 l (5 gal) |
| Hydraulic Capacity | — | 24.2 l (6.4 gal) |
| Final Drives Capacity | — | 6.1 l (1.6 gal) |
| Pump type | — | Open center |
| Hydraulic Pump Flow | — | 56.8 LPM (15 GPM) |
| Relief Valve Pressure | — | 120.7 bar (1750 psi) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.