This page provides a detailed comparison of the specifications for the International Harvester Unknown and the Massey-Harris Challenger.
| International Harvester Unknown | Massey-Harris Challenger | |
|---|---|---|
| Images | ||
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| Engine | ||
| Engine Manufacturer | International Harvester | Massey-Harris |
| Engine Cooling Type | - | Liquid-cooled |
| Engine Fuel Type | Kerosene | Distillate |
| Engine Induction Type | - | Naturally aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 251 ci (4.1 L) | 248 ci (4.1 L) |
| Engine Rated Rpm | 1000 | 1200 |
| Transmission | ||
| Transmission Type | Unsynchronized Gear | Gear |
| Transmission Forward Gears | 3 | 4 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 132 | 129.3 |
| Width Value | 54 | - |
| Operating Weight Value | 3660 lb (1660 kg) | 4200 lb (1905 kg) |
| Miscellaneous | ||
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
