SPECS / COMPARISON
Komatsu D37PX-21 KOMSTAT II vs Caterpillar D4B LGP
A detailed comparison of the Komatsu D37PX-21 KOMSTAT II and the Caterpillar D4B LGP. Click a model name to view its full specifications.
Horsepower
Komatsu D37PX-21 KOMSTAT II63.4 kW (85 HP)
Caterpillar D4B LGP60.4 kW (81 HP)
Operating Weight
Komatsu D37PX-21 KOMSTAT II6309.5 kg (13910 lbs)
Caterpillar D4B LGP7799.5 kg (17195 lbs)
| Specification | Komatsu D37PX-21 KOMSTAT II Crawler Dozers | Caterpillar D4B LGP Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 63.4 kW (85 HP) | 60.4 kW (81 HP) |
| Operating Weight | 6309.5 kg (13910 lbs) | 7799.5 kg (17195 lbs) |
| Engine Manufacturer | Komatsu | Caterpillar |
| Engine Model | SAA4D102E-2 | 3204 |
| Net Power | 63.4 kW (85 HP) | 55.9 kW (75 HP) |
| Aspiration | Turbocharged with aftercooled | — |
| Number of Cylinders | 4 | 4 |
| Displacement | 3932.9 cc (240 cu in.) | 5201.3 cc (317.4 cu in.) |
| Transmission Type | Dual Power Shift | Planetary powershift |
| Number of Forward Gears | 3 | 3 |
| Number of Reverse Gears | 3 | 3 |
| Max Speed Forward | 8.5 km/h (5.3 mph) | 11.1 km/h (6.9 mph) |
| Max Speed Reverse | 8.5 km/h (5.3 mph) | 11.9 km/h (7.4 mph) |
| Ground Pressure | 0.3 bar (4.2 psi) | 0.4 bar (6.4 psi) |
| Fuel Capacity | 165.0 l (43.6 gal) | 116.2 l (30.7 gal) |
| Engine Oil Capacity | 12.5 l (3.3 gal) | 12.1 l (3.2 gal) |
| Cooling System Capacity | 26.9 l (7.1 gal) | 20.1 l (5.3 gal) |
| Hydraulic Capacity | 46.9 l (12.4 gal) | 70.0 l (18.5 gal) |
| Final Drives Capacity | 3.4 l (0.9 gal) | 8.3 l (2.2 gal) |
| Relief Valve Pressure | 206.2 bar (2990 psi) | 172.4 bar (2500 psi) |
| Cab Height | 271.3 cm (106.8 in.) | 268.2 cm (105.6 in.) |
| Width Over Track | 228.6 cm (90.0 in.) | 228.6 cm (90.0 in.) |
| Length Overall | 402.3 cm (158.4 in.) | 402.3 cm (158.4 in.) |
| Length of Track on Ground | 225.6 cm (88.8 in.) | 207.3 cm (81.6 in.) |
| Track Gauge | 167.6 cm (66.0 in.) | 167.6 cm (66.0 in.) |
| Ground Clearance | 39.6 cm (15.6 in.) | 30.5 cm (12.0 in.) |
| Ground Contact Area | 68334.2 cm³ (4170 cu in.) | 66384.1 cm³ (4051 cu in.) |
| No of Shoes Per Side | 41 | 39 |
| No of Track Rollers Per Side | 6 | — |
| Shoe Size | 61.0 cm (24 in.) | 63.5 cm (25 in.) |
| Weight (Operating) | 6309.5 kg (13910 lbs) | 7799.5 kg (17195 lbs) |
| Track Pitch | 165.1 cm (65 in.) | — |
| Pump Flow | — | 55.3 LPM (14.6 GPM) |
| Gross Power | — | 60.4 kW (81 HP) |
| Power Measured RPM | — | 2400 RPM |
| Alternator Supplied Amp. | — | 40 A |
| Alternator | — | 40 A |
| Battery | — | 12 V |
| Pump type | — | Gear type |
| Hydraulic Pump Flow | — | 55.3 LPM (14.6 GPM) |
| Length without Blade | — | 301.8 cm (118.8 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.