| Production | |
| Manufacturer | Massey Ferguson |
| Industrial tractor | |
| Massey Ferguson 20B Engine | |
| Perkins 2.5L 3-cyl diesel | |
| Fuel tank | 12.7 gal 48.1 L |
| Massey Ferguson 20B Transmission | |
| 8-speed gear | |
| Massey Ferguson 20B Power | |
| Engine | 45 hp 33.6 kW |
| PTO (claimed) | 37 hp 27.6 kW |
| Mechanical | |
| Two-wheel drive | |
| Differential lock | mechanical rear |
| Steering | manual |
| Steering | power |
| Mechanical drum brakes | |
| Open operator station. Cab available. | |
| Tractor hitch | |
| Rear Type | II/I |
| Control | position and draft control |
| Rear lift | 3232 lbs*Maximum 1466 kg |
| Power Take-off (PTO) | |
| Rear PTO | live |
|   | independent OptOptional |
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@1789 |
| Dimensions & Tires | |
| Wheelbase | 74.5 inches 189 cm |
| Weight | 4066 lbs 1844 kg |
| Front tire | 6.50-16 |
| Rear tire | 12.4/11-28 |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 35 |
| Battery volts | 12 |
| Battery AH | 35 |
| References | |
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| 20B Tractor published in 1984, by Massey Ferguson | |
| MF20B Industrial Tractor published in 1986, by Massey Ferguson |
| Page information | |
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| Peter Easterlund - owner/author | |
| This machine's data modified on September 29, 2025 |