SPECS / COMPARISON
Komatsu D51PX-22 vs Komatsu D53A-18A
A detailed comparison of the Komatsu D51PX-22 and the Komatsu D53A-18A. Click a model name to view its full specifications.
Horsepower
Komatsu D51PX-2299.2 kW (133 HP)
Komatsu D53A-18A96.9 kW (130 HP)
Operating Weight
Komatsu D51PX-2213100.2 kg (28881 lbs)
Komatsu D53A-18A14000.0 kg (30864.8 lbs)
| Specification | Komatsu D51PX-22 Crawler Dozers | Komatsu D53A-18ACrawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 99.2 kW (133 HP) | 96.9 kW (130 HP) |
| Operating Weight | 13100.2 kg (28881 lbs) | 14000.0 kg (30864.8 lbs) |
| Pump Flow | 99.2 LPM (26.2 GPM) | — |
| Engine Manufacturer | Komatsu | Komatsu |
| Engine Model | SAA6D107E-1 | 6 D125-1 |
| Gross Power | 99.2 kW (133 HP) | 96.9 kW (130 HP) |
| Net Power | 96.9 kW (130 HP) | — |
| Aspiration | Turbocharged with aftercooled | — |
| Number of Cylinders | 6 | 6 |
| Displacement | 6685.9 cc (408 cu in.) | 11041.6 cc (673.8 cu in.) |
| Power Measured RPM | 2200 RPM | 1900 RPM |
| Alternator Supplied Amp. | 60 A | — |
| Alternator | 60 A | — |
| Battery | 24 V | — |
| Transmission Type | Dual Power Shift | Torqflow |
| Number of Forward Gears | 3 | 3 |
| Number of Reverse Gears | 3 | 3 |
| Max Speed Forward | 9.0 km/h (5.6 mph) | — |
| Max Speed Reverse | 9.0 km/h (5.6 mph) | — |
| Ground Pressure | 0.3 bar (4.8 psi) | — |
| Fuel Capacity | 269.9 l (71.3 gal) | — |
| Engine Oil Capacity | 20.1 l (5.3 gal) | — |
| Cooling System Capacity | 35.2 l (9.3 gal) | — |
| Hydraulic Capacity | 62.8 l (16.6 gal) | — |
| Final Drives Capacity | 4.2 l (1.1 gal) | — |
| Pump type | piston type hydraulic pump | — |
| Hydraulic Pump Flow | 99.2 LPM (26.2 GPM) | — |
| Relief Valve Pressure | 274.6 bar (3983 psi) | — |
| Cab Height | 301.8 cm (118.8 in.) | 292.6 cm (115.2 in.) |
| Width Over Track | 259.1 cm (102.0 in.) | 243.8 cm (96.0 in.) |
| Length Overall | 481.6 cm (189.6 in.) | 487.7 cm (192.0 in.) |
| Length of Track on Ground | 274.3 cm (108.0 in.) | 246.9 cm (97.2 in.) |
| Track Gauge | 189.0 cm (74.4 in.) | 195.1 cm (76.8 in.) |
| Ground Clearance | 39.6 cm (15.6 in.) | 33.5 cm (13.2 in.) |
| Ground Contact Area | 99010.9 cm³ (6042 cu in.) | — |
| No of Shoes Per Side | 44 | 41 |
| No of Track Rollers Per Side | 7 | 6 |
| Shoe Size | 71.1 cm (28 in.) | 46.2 cm (18.2 in.) |
| Weight (Operating) | 13100.2 kg (28881 lbs) | 14000.0 kg (30864.8 lbs) |
| Length without Blade | — | 381.0 cm (150.0 in.) |
| No of Carrier Rollers Per Side | — | 2 |
| Track Pitch | — | 17.5 cm (6.9 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.