This page provides a detailed comparison of the specifications for the Oliver 80 and the Twin City Unknown.
| Oliver 80 | Twin City Unknown | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Waukesha-Oliver | Twin City |
| Engine Model | 5.5L 4-cyl kerosene | - |
| Engine Cooling Type | - | Liquid-cooled |
| Engine Fuel Type | Kerosene | Kerosene |
| Engine Induction Type | Naturally Aspirated | Naturally aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 334 ci (5.5 L) | 340 ci (5.6 L) |
| Engine Rated Rpm | 1200 | 1000 |
| Transmission | ||
| Transmission Type | Gear | Gear |
| Transmission Forward Gears | 4 | 2 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | - | 134 |
| Width Value | - | 63 |
| Operating Weight Value | 4800 lb (2177 kg) | 5000 lb (2268 kg) |
| Miscellaneous | ||
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | - | Category 3 |
| Starter Type | Hand-crank | Hand-crank |
