Nuffield Universal M4
The Nuffield Universal M4 is a tractor produced by Nuffield. It is equipped with a 230.1 ci 3.8 L engine. The rated power output is 38 hp 28.3 kW. Transmission: 5 forward and 1 reverse. Operating weight: 4886 lbs 2216 kg.
Engine Power
38 hp
28.3 kW
Fuel & Capacities
19.2 gal
72.7 L
Transmission
5 forward and 1 reverse
Operating Weight
4886 lbs
2216 kg
Nuffield Universal M4 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1948 - 1961
Row-Crop tractor |
|---|---|
1948 - 1961 | |
Row-Crop tractor | |
Production | |
|---|---|
Manufacturer | Nuffield |
Row-Crop tractor | |
Built in Birmingham, England | |
Variants | |
|---|---|
M3 | tricycle front |
M4 | wide front |
Nuffield M4 Engine | |
|---|---|
Morris 3.8L 4-cyl tvo | |
Fuel tank | 19.2 gal
72.7 L |
Aux. fuel | 7.2 gal
27.3 L |
Engine details ...  | |
Nuffield M4 Transmission | |
|---|---|
5-speed gear | |
Transmission details ...  |
Nuffield M4 Power | |
|---|---|
Engine | 38 hp
28.3 kW |
Drawbar (claimed) | 25.4 hp
18.9 kW |
Belt (claimed) | 32.5 hp
24.2 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical drum brakes | |
Open operator station. |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 1000 psi
69.0 bar |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift | 3700 lbs
1678 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
Rear PTO Type | 540 (1.375) |
Engine RPM | 527@1400 |
Dimensions & Tires | |
|---|---|
Wheelbase | 78 inches
198 cm |
Weight | 4886 lbs
2216 kg |
Front tire | 6.00-19 |
Rear tire | 11.00-36 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 10.25 inches
26 cm |
RPM | 1039 |
Speed | 2902 ft/min
884.53 meters/min |
References | |
|---|---|
 | |
The Nuffield Universal Tractor published in 1949 |
Engine
Engine Detail — 230.1 ci / 3.8 L
Manufacturer | Morris |
Configuration | 4-cylinder, liquid-cooled |
tvo | |
Displacement | 230.1 ci
3.8 L |
Bore/Stroke | 3.94x4.72 inches
100 x 120 mm |
Power | 38 hp
28.3 kW |
Air cleaner | oil bath |
Rated RPM | 2000 |
Idle RPM | 600-2000 |
Torque | 138 lb-ft
187.1 Nm |
Torque RPM | 1000 |
Starter volts | 12 |
Oil capacity | 7.8 qts
7.4 L |
Coolant capacity | 19.2 qts
18.2 L |
Transmission
Transmission — 5 forward and 1 reverse gear
Type | gear |
Gears | 5 forward and 1 reverse |
Clutch | 280mm mechanical dry disc |
Oil capacity | 50.4 qts
47.7 L |
 | |
Dimensions
Nuffield M4 Tires | |
|---|---|
Ag front | 6.00-19 |
Ag rear | 11.00-36 |
Ag rear | 9.00-36 |
Dimensions | |
|---|---|
Wheelbase | 78 inches
198 cm |
Length | 123 inches
312 cm |
Width | 83 inches*Width at rear axles.
210 cm |
Height (hood) | 60.5 inches
153 cm |
Height (exhaust) | 82 inches
208 cm |
Operating weight | 4886 lbs
2216 kg |
Clearance (front axle) | 18 inches
45 cm |
Clearance (rear axle) | 23 inches
58 cm |
Front tread | 48 to 76 inches
121 to 193 cm |
Rear tread | 53 to 88 inches
134 to 223 cm |
Photos
Nuffield Universal M4
Related models
Nuffield M3
- Power:
- 38
- Production years:
- 1948 - 1961
Nuffield PM-4
- Power:
- 40.8
- Production years:
- 1950 - 1957
Nuffield Universal 3
- Power:
- 34.4
- Production years:
- 1957 - 1961
Nuffield 3/42
- Power:
- 42
- Production years:
- 1961 - 1963
Nuffield 10/42
- Power:
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- Production years:
- 1964 - 1966