Nuffield Universal M3
The Nuffield Universal M3 is a tractor produced by Nuffield. It is equipped with a 230.1 ci 3.8 L engine. The listed engine power is Engine Detail — 230.1 ci / 3.8 L (listed): 38 hp / 28.3 kW. Transmission: 5 forward and 1 reverse. Operating weight: 4848 lbs 2199 kg.
Engine Power
Engine Detail — 230.1 ci / 3.8 L (listed): 38 hp / 28.3 kW
Fuel & Capacities
19.2 gal
72.7 L
Transmission
5 forward and 1 reverse
Operating Weight
4848 lbs
2199 kg
Overview
 | 1948 - 1961
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Nuffield |
Row-Crop tractor | |
Built in Birmingham, England | |
Variants | |
|---|---|
M3 | tricycle front |
M4 | wide front |
Nuffield M3 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 M3 Transmission | |
|---|---|
5-speed gear | |
Transmission details ...  |
Nuffield M3 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 | 83 inches
210 cm |
Weight | 4848 lbs
2199 kg |
Front tire | 9.00-10 |
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 M3 Tires | |
|---|---|
Ag front | 9.00-10 |
Ag rear | 11.00-36 |
Ag rear | 9.00-36 |
Dimensions | |
|---|---|
Wheelbase | 83 inches
210 cm |
Length | 126 inches
320 cm |
Width | 83 inches*Width at rear axles.
210 cm |
Height (hood) | 61.5 inches
156 cm |
Height (exhaust) | 83 inches
210 cm |
Operating weight | 4848 lbs
2199 kg |
Clearance (rear axle) | 23 inches
58 cm |
Rear tread | 53 to 88 inches
134 to 223 cm |
Photos
Nuffield Universal M3 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Nuffield Universal M3 based on its 38 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Nuffield Universal M3.
Estimated Continuous Field Runtime: 9.7 hrs
Approximately 9.7 hours of continuous field operation at ~75% rated power on a full tank (19.2 gal / 72.7 L).
Estimated 75% Load Fuel Burn~2 gal/hr (7.5 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Nuffield Universal M3 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Nuffield Universal M3.
Converted Equivalents:
Horsepower (HP)38 hp
Kilowatts (kW)28.3 kW
Metric Horsepower (PS / CV)38.5 PS
Direct Competitor Comparison
Compare Nuffield Universal M3 against same-era industry alternatives in the same horsepower class.
Current Model
Nuffield
Nuffield Universal M3
Engine Power:Engine Detail — 230.1 ci / 3.8 L (listed): 38 hp / 28.3 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester TD-6
Engine Power:34.4
Production Years:1940 - 1969
Related models
Nuffield Universal 3
- Power:
- 34.4
- Production years:
- 1957 - 1961
Nuffield M4
- Power:
- 38
- Production years:
- 1948 - 1961
Nuffield PM-4
- Power:
- 40.8
- Production years:
- 1950 - 1957
Nuffield 3/42
- Power:
- 42
- Production years:
- 1961 - 1963
Nuffield 10/42
- Power:
- 43.3
- Production years:
- 1964 - 1966