SPECS / COMPARISON
John Deere 550H LT vs Komatsu D31PX-22
A detailed comparison of the John Deere 550H LT and the Komatsu D31PX-22. Click a model name to view its full specifications.
Horsepower
John Deere 550H LT59.7 kW (80 HP)
Komatsu D31PX-2259.7 kW (80 HP)
Operating Weight
John Deere 550H LT7620.3 kg (16800 lbs)
Komatsu D31PX-228190.0 kg (18055.9 lbs)
| Specification | John Deere 550H LT Crawler Dozers | Komatsu D31PX-22 Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 59.7 kW (80 HP) | 59.7 kW (80 HP) |
| Operating Weight | 7620.3 kg (16800 lbs) | 8190.0 kg (18055.9 lbs) |
| Pump Flow | 56.8 LPM (15 GPM) | 99.2 LPM (26.2 GPM) |
| Engine Manufacturer | John Deere | Komatsu |
| Engine Model | 4045 T | SAA4D95LE-5 |
| Net Power | 59.7 kW (80 HP) | 58.2 kW (78 HP) |
| Aspiration | Turbocharged | Turbocharged with aftercooled |
| Number of Cylinders | 4 | 4 |
| Displacement | 4522.8 cc (276 cu in.) | 3261.0 cc (199 cu in.) |
| Max Torque | 345.7 N-m (255 lbs/ft) | — |
| Power Measured RPM | 2200 RPM | 2200 RPM |
| Torque Measured RPM | 1200 RPM | — |
| Alternator Supplied Amp. | 65 A | 35 A |
| Alternator | 65 A | 35 A |
| Battery | 12 V | 24 V |
| Transmission Type | Dual Power Shift | Dual Power Shift |
| Max Speed Forward | 8.0 km/h (5 mph) | 8.5 km/h (5.3 mph) |
| Max Speed Reverse | 8.0 km/h (5 mph) | 8.5 km/h (5.3 mph) |
| Ground Pressure | 0.4 bar (5.4 psi) | 0.5 bar (6.7 psi) |
| Fuel Capacity | 177.9 l (47 gal) | 195.3 l (51.6 gal) |
| Engine Oil Capacity | 14.0 l (3.7 gal) | 11.4 l (3 gal) |
| Cooling System Capacity | 16.3 l (4.3 gal) | 18.2 l (4.8 gal) |
| Hydraulic Capacity | 32.2 l (8.5 gal) | 60.2 l (15.9 gal) |
| Final Drives Capacity | 6.8 l (1.8 gal) | 3.8 l (1 gal) |
| Pump type | Gear type | Piston-type |
| Hydraulic Pump Flow | 56.8 LPM (15 GPM) | 99.2 LPM (26.2 GPM) |
| Relief Valve Pressure | 206.8 bar (3000 psi) | 274.6 bar (3983 psi) |
| Cab Height | 274.3 cm (108.0 in.) | 277.4 cm (109.2 in.) |
| Width Over Track | 201.2 cm (79.2 in.) | 192.0 cm (75.6 in.) |
| Length without Blade | 405.4 cm (159.6 in.) | — |
| Length of Track on Ground | 219.5 cm (86.4 in.) | 219.5 cm (86.4 in.) |
| Ground Clearance | 36.6 cm (14.4 in.) | 33.5 cm (13.2 in.) |
| Ground Contact Area | 50734.5 cm³ (3096 cu in.) | 44458.2 cm³ (2713 cu in.) |
| No of Shoes Per Side | 40 | — |
| No of Track Rollers Per Side | 6 | — |
| Shoe Size | 45.7 cm (18 in.) | 40.1 cm (15.8 in.) |
| Weight (Operating) | 7620.3 kg (16800 lbs) | 8190.0 kg (18055.9 lbs) |
| Track Pitch | 16.0 cm (6.3 in.) | — |
| Gross Power | — | 59.7 kW (80 HP) |
| Bore | — | 9.7 cm (3.8 in.) |
| Stroke | — | 11.7 cm (4.6 in.) |
| Number of Forward Gears | — | 3 |
| Number of Reverse Gears | — | 3 |
| Length Overall | — | 417.6 cm (164.4 in.) |
| Track Gauge | — | 152.4 cm (60.0 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.