This page provides a detailed comparison of the specifications for the John Deere 420 and the Massey-Harris 81.
| John Deere 420 | Massey-Harris 81 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | John Deere | Continental |
| Engine Model | - | F124 |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Gasoline | Gasoline |
| Engine Induction Type | Naturally aspirated | Naturally Aspirated |
| Engine Cylinders | 2 | 4 |
| Engine Displacement Value | 113 ci (1.9 L) | 124 ci (2.0 L) |
| Engine Rated Rpm | 1850 | 1500 |
| Transmission | ||
| Transmission Type | Unsynchronized gear | Unsynchronized gear |
| Transmission Forward Gears | 5 | 4 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 114.75 | 119 |
| Width Value | 55.5 | - |
| Operating Weight Value | 3250 lb (1474 kg) | 2895 lb (1313 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | I | - |
| Hitch Position | Rear | - |
| Operator Station Type | Open operator station | - |
| Starter Type | Electric | Electric Starter |
