This page provides a detailed comparison of the specifications for the Allis Chalmers HD9 and the Claas Challenger 55.
| Allis Chalmers HD9 | Claas Challenger 55 | |
|---|---|---|
| Images | ||
|
|
||
| Engine | ||
| Engine Manufacturer | General Motors | Caterpillar |
| Engine Model | - | 3126 |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Blower | Turbocharged |
| Engine Cylinders | 4 | 6 |
| Engine Displacement Value | 284 ci (4.7 L) | 442 ci (7.2 L) |
| Engine Rated Rpm | 1600 | 2100 |
| Transmission | ||
| Transmission Type | Gear | Full Power Shift |
| Transmission Forward Gears | 6 | 16 |
| Transmission Reverse Gears | 3 | 9 |
| Dimensions | ||
| Length Value | 150 | 211 |
| Width Value | 95.1 | 91 |
| Operating Weight Value | 18800 lb (8528 kg) | 26000 lb (11793 kg) |
| Miscellaneous | ||
| Chassis | - | Crawler |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | - | III/II |
| Hitch Position | - | Rear |
| Hydraulic System Type | - | Variable-displacement Load-sensing Pressure-compensated |
| Operator Station Type | - | Cab |
| Starter Type | Electric | Electric |
