This page provides a detailed comparison of the specifications for the Allis Chalmers Unknown and the Oliver 80.
| Allis Chalmers Unknown | Oliver 80 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Le Roi | Waukesha-Oliver |
| Engine Model | 2-C | 5.5L 4-cyl kerosene |
| Engine Cooling Type | Liquid-cooled | - |
| Engine Fuel Type | Gasoline | Kerosene |
| Engine Induction Type | Naturally aspirated | Naturally Aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 138 ci (2.3 L) | 334 ci (5.5 L) |
| Engine Rated Rpm | 1200 | 1200 |
| Transmission | ||
| Transmission Type | Gear | Gear |
| Transmission Forward Gears | 1 | 4 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 156 | - |
| Width Value | 54 | - |
| Operating Weight Value | 2500 lb (1134 kg) | 4800 lb (2177 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | - |
| Drive Type | 2WD | - |
| Starter Type | - | Hand-crank |
