SPECS / COMPARISON
Komatsu D355A-1 vs Caterpillar D9R
A detailed comparison of the Komatsu D355A-1 and the Caterpillar D9R. Click a model name to view its full specifications.
Horsepower
Komatsu D355A-1305.7 kW (410 HP)
Caterpillar D9R305.7 kW (410 HP)
Operating Weight
Komatsu D355A-144410.0 kg (97907.3 lbs)
Caterpillar D9R49567.0 kg (109276.6 lbs)
| Specification | Komatsu D355A-1 Crawler Dozers | Caterpillar D9R Crawler Dozers |
|---|---|---|
| Type | Crawler Dozer | Crawler Dozer |
| Horsepower | 305.7 kW (410 HP) | 305.7 kW (410 HP) |
| Operating Weight | 44410.0 kg (97907.3 lbs) | 49567.0 kg (109276.6 lbs) |
| Engine Manufacturer | Komatsu | Caterpillar |
| Engine Model | SA6D155-4A | 3408 ETA |
| Gross Power | 305.7 kW (410 HP) | 305.7 kW (410 HP) |
| Aspiration | Turbocharged | — |
| Displacement | 19261.4 cc (1175.4 cu in.) | 18001.2 cc (1098.5 cu in.) |
| Power Measured RPM | 2000 RPM | 1900 RPM |
| Transmission Type | Torqflow | PowerShift |
| Number of Forward Gears | 4 | 3 |
| Number of Reverse Gears | 4 | 3 |
| Max Speed Forward | 12.7 km/h (7.9 mph) | 11.9 km/h (7.4 mph) |
| Max Speed Reverse | 12.7 km/h (7.9 mph) | 14.6 km/h (9.1 mph) |
| Ground Pressure | 0.9 bar (12.6 psi) | 1.1 bar (16.1 psi) |
| Cooling System Capacity | 170.3 l (45 gal) | — |
| Cab Height | 381.0 cm (150.0 in.) | 384.0 cm (151.2 in.) |
| Width Over Track | 304.8 cm (120.0 in.) | 295.7 cm (116.4 in.) |
| Length Overall | 871.7 cm (343.2 in.) | 719.3 cm (283.2 in.) |
| Length without Blade | 560.8 cm (220.8 in.) | 518.2 cm (204.0 in.) |
| Length of Track on Ground | 338.3 cm (133.2 in.) | 347.5 cm (136.8 in.) |
| Track Gauge | 228.6 cm (90.0 in.) | 225.6 cm (88.8 in.) |
| Ground Clearance | 57.9 cm (22.8 in.) | 61.0 cm (24.0 in.) |
| No of Carrier Rollers Per Side | 2 | — |
| No of Shoes Per Side | 39 | — |
| No of Track Rollers Per Side | 7 | 8 |
| Shoe Size | 61.2 cm (24.1 in.) | 61.2 cm (24.1 in.) |
| Weight (Operating) | 44410.0 kg (97907.3 lbs) | 49567.0 kg (109276.6 lbs) |
| Track Pitch | 26.2 cm (10.3 in.) | — |
| Number of Cylinders | — | 8 |
| Battery | — | 24 V |
| Fuel Capacity | — | 817.6 l (216 gal) |
| Engine Oil Capacity | — | 45.4 l (12 gal) |
| Hydraulic Capacity | — | 71.9 l (19 gal) |
| Final Drives Capacity | — | 18.9 l (5 gal) |
| Ground Contact Area | — | 107646.9 cm³ (6569 cu 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.