SPECS / COMPARISON
Case 650K WT vs Komatsu D31PX-22
A detailed comparison of the Case 650K WT and the Komatsu D31PX-22. Click a model name to view its full specifications.
Horsepower
Case 650K WT59.7 kW (80 HP)
Komatsu D31PX-2259.7 kW (80 HP)
Operating Weight
Case 650K WT8572.9 kg (18900 lbs)
Komatsu D31PX-228190.0 kg (18055.9 lbs)
| Specification | Case 650K WT 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 | 8572.9 kg (18900 lbs) | 8190.0 kg (18055.9 lbs) |
| Pump Flow | 78.7 LPM (20.8 GPM) | 99.2 LPM (26.2 GPM) |
| Engine Manufacturer | Case | Komatsu |
| Engine Model | 445 T/M2 | SAA4D95LE-5 |
| Gross Power | 59.7 kW (80 HP) | 59.7 kW (80 HP) |
| Net Power | 55.8 kW (74.8 HP) | 58.2 kW (78 HP) |
| Emission | Tier 3 | — |
| Number of Cylinders | 4 | 4 |
| Displacement | 4490.1 cc (274 cu in.) | 3261.0 cc (199 cu in.) |
| Max Torque | 355.2 N-m (262 lbs/ft) | — |
| Power Measured RPM | 2000 RPM | 2200 RPM |
| Torque Measured RPM | 1400 RPM | — |
| Alternator Supplied Amp. | 65 A | 35 A |
| Alternator | 65 A | 35 A |
| Battery | 12 V | 24 V |
| Transmission Type | Hydrostatic | Dual Power Shift |
| Max Speed Forward | 9.7 km/h (6 mph) | 8.5 km/h (5.3 mph) |
| Max Speed Reverse | 9.7 km/h (6 mph) | 8.5 km/h (5.3 mph) |
| Ground Pressure | 0.4 bar (5.3 psi) | 0.5 bar (6.7 psi) |
| Fuel Capacity | 189.3 l (50 gal) | 195.3 l (51.6 gal) |
| Engine Oil Capacity | 13.6 l (3.6 gal) | 11.4 l (3 gal) |
| Cooling System Capacity | 18.9 l (5 gal) | 18.2 l (4.8 gal) |
| Hydraulic Capacity | 75.7 l (20 gal) | 60.2 l (15.9 gal) |
| Final Drives Capacity | 14.4 l (3.8 gal) | 3.8 l (1 gal) |
| Hydraulic Pump Flow | 78.7 LPM (20.8 GPM) | 99.2 LPM (26.2 GPM) |
| Relief Valve Pressure | 208.6 bar (3025 psi) | 274.6 bar (3983 psi) |
| Cab Height | 277.4 cm (109.2 in.) | 277.4 cm (109.2 in.) |
| Width Over Track | 228.6 cm (90.0 in.) | 192.0 cm (75.6 in.) |
| Length Overall | 429.8 cm (169.2 in.) | 417.6 cm (164.4 in.) |
| Length of Track on Ground | 225.6 cm (88.8 in.) | 219.5 cm (86.4 in.) |
| Track Gauge | 170.7 cm (67.2 in.) | 152.4 cm (60.0 in.) |
| Ground Clearance | 39.6 cm (15.6 in.) | 33.5 cm (13.2 in.) |
| Ground Contact Area | 58338.1 cm³ (3560 cu in.) | 44458.2 cm³ (2713 cu in.) |
| No of Carrier Rollers Per Side | 1 | — |
| No of Shoes Per Side | 38 | — |
| No of Track Rollers Per Side | 6 | — |
| Shoe Size | 50.8 cm (20 in.) | 40.1 cm (15.8 in.) |
| Weight (Operating) | 8572.9 kg (18900 lbs) | 8190.0 kg (18055.9 lbs) |
| Track Pitch | 17.3 cm (6.8 in.) | — |
| Aspiration | — | Turbocharged with aftercooled |
| Bore | — | 9.7 cm (3.8 in.) |
| Stroke | — | 11.7 cm (4.6 in.) |
| Number of Forward Gears | — | 3 |
| Number of Reverse Gears | — | 3 |
| Pump type | — | Piston-type |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.