This page provides a detailed comparison of the specifications for the John Deere 50 and the Oliver 77 Row-Crop.
| John Deere 50 | Oliver 77 Row-Crop | |
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| Engine | ||
| Engine Manufacturer | John Deere | Waukesha-Oliver |
| Engine Model | - | 3.2L 6-cyl gasoline |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Gasoline | Gasoline |
| Engine Induction Type | Natural aspiration | - |
| Engine Cylinders | 2 | 6 |
| Engine Displacement Value | 190 ci (3.1 L) | 194 ci (3.2 L) |
| Engine Rated Rpm | 1250 | 1600 |
| Transmission | ||
| Transmission Type | Unsynchronized gear | Unsynchronized gear |
| Transmission Forward Gears | 6 | 6 |
| Transmission Reverse Gears | 1 | 2 |
| Dimensions | ||
| Length Value | 132.7 | 139.25 |
| Width Value | 86.6 | 80.25 |
| Operating Weight Value | 4855 lb (2202 kg) | 4207 lb (1908 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hydraulic System Type | Open center | - |
| Operator Station Type | Open | Open |
| Starter Type | Electric | Electric |
