SPECS / COMPARISON
Caterpillar D4B LGP vs Komatsu D31EX-22
A detailed comparison of the Caterpillar D4B LGP and the Komatsu D31EX-22. Click a model name to view its full specifications.
Horsepower
Caterpillar D4B LGP60.4 kW (81 HP)
Komatsu D31EX-2259.7 kW (80 HP)
Operating Weight
Caterpillar D4B LGP7799.5 kg (17195 lbs)
Komatsu D31EX-228190.1 kg (18056 lbs)
| Specification | Caterpillar D4B LGP Crawler Dozers | Komatsu D31EX-22 Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 60.4 kW (81 HP) | 59.7 kW (80 HP) |
| Operating Weight | 7799.5 kg (17195 lbs) | 8190.1 kg (18056 lbs) |
| Pump Flow | 55.3 LPM (14.6 GPM) | — |
| Engine Manufacturer | Caterpillar | Komatsu |
| Engine Model | 3204 | SAA4D95LE-5 |
| Gross Power | 60.4 kW (81 HP) | 59.7 kW (80 HP) |
| Net Power | 55.9 kW (75 HP) | 58.2 kW (78 HP) |
| Number of Cylinders | 4 | 4 |
| Displacement | 5201.3 cc (317.4 cu in.) | 3261.0 cc (199 cu in.) |
| Power Measured RPM | 2400 RPM | 2200 RPM |
| Alternator Supplied Amp. | 40 A | — |
| Alternator | 40 A | — |
| Battery | 12 V | — |
| Transmission Type | Planetary powershift | Dual Power Shift |
| Number of Forward Gears | 3 | 3 |
| Number of Reverse Gears | 3 | 3 |
| Max Speed Forward | 11.1 km/h (6.9 mph) | 8.5 km/h (5.3 mph) |
| Max Speed Reverse | 11.9 km/h (7.4 mph) | 8.5 km/h (5.3 mph) |
| Ground Pressure | 0.4 bar (6.4 psi) | 0.5 bar (6.7 psi) |
| Fuel Capacity | 116.2 l (30.7 gal) | — |
| Engine Oil Capacity | 12.1 l (3.2 gal) | — |
| Cooling System Capacity | 20.1 l (5.3 gal) | — |
| Hydraulic Capacity | 70.0 l (18.5 gal) | — |
| Final Drives Capacity | 8.3 l (2.2 gal) | — |
| Pump type | Gear type | — |
| Hydraulic Pump Flow | 55.3 LPM (14.6 GPM) | — |
| Relief Valve Pressure | 172.4 bar (2500 psi) | — |
| Cab Height | 268.2 cm (105.6 in.) | 280.4 cm (110.4 in.) |
| Width Over Track | 228.6 cm (90.0 in.) | — |
| Length Overall | 402.3 cm (158.4 in.) | — |
| Length without Blade | 301.8 cm (118.8 in.) | — |
| Length of Track on Ground | 207.3 cm (81.6 in.) | — |
| Track Gauge | 167.6 cm (66.0 in.) | 152.4 cm (60.0 in.) |
| Ground Clearance | 30.5 cm (12.0 in.) | 33.5 cm (13.2 in.) |
| Ground Contact Area | 66384.1 cm³ (4051 cu in.) | 44458.2 cm³ (2713 cu in.) |
| No of Shoes Per Side | 39 | — |
| Shoe Size | 63.5 cm (25 in.) | 40.1 cm (15.8 in.) |
| Weight (Operating) | 7799.5 kg (17195 lbs) | 8190.1 kg (18056 lbs) |
| Aspiration | — | Turbocharged with aftercooled |
| Bore | — | 9.7 cm (3.8 in.) |
| Stroke | — | 11.7 cm (4.6 in.) |
| Ripper Weight | — | 575.0 kg (1267.7 lbs) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.