SPECS / COMPARISON
Komatsu D155AX-3E vs Caterpillar D8R
A detailed comparison of the Komatsu D155AX-3E and the Caterpillar D8R. Click a model name to view its full specifications.
Horsepower
Komatsu D155AX-3E228.2 kW (306 HP)
Caterpillar D8R244.6 kW (328 HP)
Operating Weight
Komatsu D155AX-3E38500.0 kg (84878 lbs)
Caterpillar D8R33497.8 kg (73850 lbs)
| Specification | Komatsu D155AX-3E Crawler Dozers | Caterpillar D8R Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 228.2 kW (306 HP) | 244.6 kW (328 HP) |
| Operating Weight | 38500.0 kg (84878 lbs) | 33497.8 kg (73850 lbs) |
| Engine Manufacturer | Komatsu | Caterpillar |
| Engine Model | SA6D140E-2 | 3406 C |
| Gross Power | 228.2 kW (306 HP) | 244.6 kW (328 HP) |
| Number of Cylinders | 6 | 6 |
| Displacement | 15241.6 cc (930.1 cu in.) | 14633.7 cc (893 cu in.) |
| Power Measured RPM | 1900 RPM | 2100 RPM |
| Transmission Type | Full power shift | PowerShift |
| Number of Forward Gears | NSV | 3 |
| Number of Reverse Gears | NSV | 3 |
| Cab Height | 350.5 cm (138.0 in.) | 350.5 cm (138.0 in.) |
| Width Over Track | 271.3 cm (106.8 in.) | 265.2 cm (104.4 in.) |
| Length Overall | 816.9 cm (321.6 in.) | 640.1 cm (252.0 in.) |
| Length without Blade | 499.9 cm (196.8 in.) | 457.2 cm (180.0 in.) |
| Length of Track on Ground | 323.1 cm (127.2 in.) | 323.1 cm (127.2 in.) |
| Track Gauge | 210.3 cm (82.8 in.) | 210.3 cm (82.8 in.) |
| Ground Clearance | 51.8 cm (20.4 in.) | 54.9 cm (21.6 in.) |
| No of Carrier Rollers Per Side | 2 | — |
| No of Track Rollers Per Side | 6 | 8 |
| Shoe Size | 56.1 cm (22.1 in.) | 56.1 cm (22.1 in.) |
| Weight (Operating) | 38500.0 kg (84878 lbs) | 33497.8 kg (73850 lbs) |
| Pump Flow | — | 300.2 LPM (79.3 GPM) |
| Net Power | — | 227.4 kW (305 HP) |
| Aspiration | — | Turbocharged with aftercooled |
| Alternator Supplied Amp. | — | 50 A |
| Alternator | — | 50 A |
| Battery | — | 24 V |
| Max Speed Forward | — | 10.8 km/h (6.7 mph) |
| Max Speed Reverse | — | 13.8 km/h (8.6 mph) |
| Ground Pressure | — | 0.9 bar (13.1 psi) |
| Fuel Capacity | — | 625.3 l (165.2 gal) |
| Engine Oil Capacity | — | 32.6 l (8.6 gal) |
| Cooling System Capacity | — | 92.4 l (24.4 gal) |
| Hydraulic Capacity | — | 72.3 l (19.1 gal) |
| Final Drives Capacity | — | 14.0 l (3.7 gal) |
| Pump type | — | Piston |
| Hydraulic Pump Flow | — | 300.2 LPM (79.3 GPM) |
| Relief Valve Pressure | — | 241.3 bar (3500 psi) |
| Ground Contact Area | — | 91014.0 cm³ (5554 cu in.) |
| No of Shoes Per Side | — | 44 |
| Track Pitch | — | 21.8 cm (8.6 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.