nuffield pm 4
![]() | 1950 - 1957
Utility tractor | 1950 - 1957 | Utility tractor |
|---|---|---|---|
1950 - 1957 | |||
Utility tractor | |||
1950 - 1957 | |
|---|---|
Utility tractor |
Production | |
|---|---|
Manufacturer | Nuffield |
Utility tractor | |
Built in Birmingham, England | |
Variants | |
|---|---|
PM4 | gasoline standard |
DM4 | diesel standard |
PM3V | gasoline tricycle |
DM3V | diesel tricycle |
Nuffield PM-4 Engine | |
|---|---|
Morris Motors 3.8L 4-cyl gasoline | |
Fuel tank | 16.8 gal
63.6 L |
Aux. fuel | 1.8 gal
6.8 L |
Engine details ... | |
Nuffield PM-4 Transmission | |
|---|---|
5-speed gear | |
Transmission details ... |
Nuffield PM-4 Power | |
|---|---|
Engine | 40.8 hp
30.4 kW |
Drawbar (claimed) | 34.2 hp
25.5 kW |
Belt (claimed) | 43.5 hp
32.4 kW |
Drawbar (tested) | 33.66 hp
25.1 kW |
Belt (tested) | 38.4 hp
28.6 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Independent mechanical expanding band brakes | |
Open operator station. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 1200 psi
82.7 bar |
| 2000 psi (1955 onward)
137.9 bar |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 528@1400 |
Dimensions & Tires | |
|---|---|
Wheelbase | 78 inches
198 cm |
Weight | 5,307 lbs
2407 kg |
Front tire | 6.00-16 |
Rear tire | 11.00-36 |
Full dimensions and tires ... | |
References | |
|---|---|
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The Nuffield Universal Tractor published in 1956 | |
The Nuffield Universal Tractor published in 1956 |

