This page provides a detailed comparison of the specifications for the Minneapolis Threshing Machine Company 20-40 and the Pioneer Tractor Junior.
| Minneapolis Threshing Machine Company 20-40 | Pioneer Tractor Junior | |
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| Engine | ||
| Engine Manufacturer | Minneapolis | Pioneer Tractor |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Kerosene | Gasoline |
| Engine Induction Type | Naturally aspirated | Naturally Aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 727 ci (11.9 L) | 792 ci (13.0 L) |
| Engine Rated Rpm | 650 | 625 |
| Transmission | ||
| Transmission Type | Gear | Gear |
| Transmission Forward Gears | 2 | 5 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 167 | 157 |
| Width Value | 96 | 87 |
| Operating Weight Value | 12000 lb (5443 kg) | 11000 lb (4990 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | - | III |
| Starter Type | Hand crank | - |
