This page provides a detailed comparison of the specifications for the Allis Chalmers HD14 and the Challenger 55.
| Allis Chalmers HD14 | Challenger 55 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | General Motors | Caterpillar |
| Engine Model | Jun-71 | 3126 |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Blower | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 426 ci (7.0 L) | 442 ci (7.2 L) |
| Engine Rated Rpm | 1500 | 2100 |
| Transmission | ||
| Transmission Type | Gear-driven | Full Power Shift |
| Transmission Forward Gears | 6 | 16 |
| Transmission Reverse Gears | 2 | 9 |
| Dimensions | ||
| Length Value | 165 | 211 |
| Width Value | 92 | - |
| Operating Weight Value | 28750 lb (13041 kg) | 26000 lb (11793 kg) |
| Miscellaneous | ||
| Chassis | Crawler | - |
| Drive Type | Track | - |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | - | III |
| Hitch Position | - | Rear |
| Hydraulic System Type | - | Variable-Displacement Load-Sensing Pressure-Compensated |
| Operator Station Type | - | Cab |
| Starter Type | Electric | Electric |
