This page provides a detailed comparison of the specifications for the Allis Chalmers 7580 and the Challenger 65C.
| Allis Chalmers 7580 | Challenger 65C | |
|---|---|---|
| Images | ||
|
|
||
| Engine | ||
| Engine Manufacturer | Allis Chalmers | Caterpillar |
| Engine Model | 3750 Mark II | 3306 DITA |
| Engine Cooling Type | Liquid-cooled | Liquid |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged intercooled | Turbocharged intercooled |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 426 ci (7.0 L) | 638 ci (10.5 L) |
| Engine Rated Rpm | 2550 | 2100 |
| Engine Power Output Value | 186 hp (139.0 kW) | 285 hp (212.5 kW) |
| Transmission | ||
| Transmission Type | Partial power shift | Full power shift |
| Transmission Forward Gears | 20 | 10 |
| Transmission Reverse Gears | 4 | 2 |
| Dimensions | ||
| Length Value | 225 | 232 |
| Width Value | 95.5 | 120 |
| Operating Weight Value | 25000 lb (11340 kg) | 32875 lb (14912 kg) |
| Miscellaneous | ||
| Chassis | 4x4 articulated 4WD | - |
| Drive Type | 4WD | - |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | III | - |
| Hitch Category | Category 3 | III/IV |
| Hitch Position | Rear | Rear |
| Hydraulic System Type | Closed center | Closed center |
| Operator Station Type | Acousta cab | - |
| Starter Type | Electric | Electric |
