This page provides a detailed comparison of the specifications for the Allis Chalmers HD7 and the Challenger 65C.
| Allis Chalmers HD7 | Challenger 65C | |
|---|---|---|
| Images | ||
| Engine | ||
| Engine Manufacturer | General Motors | Caterpillar |
| Engine Model | Mar-71 | 3306 DITA |
| Engine Cooling Type | Liquid-cooled | Liquid |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Blower | Turbocharged intercooled |
| Engine Cylinders | 3 | 6 |
| Engine Displacement Value | 213 ci (3.5 L) | 638 ci (10.5 L) |
| Engine Rated Rpm | 1500 | 2100 |
| Engine Power Output Value | - | 285 hp (212.5 kW) |
| Transmission | ||
| Transmission Type | Sliding Gear | Full power shift |
| Transmission Forward Gears | 4 | 10 |
| Transmission Reverse Gears | 1 | 2 |
| Dimensions | ||
| Length Value | 128 | 232 |
| Width Value | 81 | 120 |
| Operating Weight Value | 14000 lb (6350 kg) | 32875 lb (14912 kg) |
| Miscellaneous | ||
| Chassis | Crawler | - |
| Drive Type | Track | - |
| Hitch Category | - | III/IV |
| Hitch Position | - | Rear |
| Hydraulic System Type | - | Closed center |
| Starter Type | Electric | Electric |
