Tractor · 1948Unverified
Nuffield Universal M4
Nuffield Universal M4 — Row-Crop tractor · 38 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
38 hp
Weight
2216 kg
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Overview
ManufacturerNuffieldReference
Row-Crop tractorReference
Built in Birmingham, EnglandReference
Two-wheel driveReference
Manual steeringReference
Mechanical drum brakesReference
Open operator station.Reference
Variants
M3tricycle frontReference
M4wide frontReference
Engine
Morris 3.8L 4-cyl tvoReference
Fuel tank72.7 LReference
Aux. fuel27.3 LReference
Engine28.3 kWReference
Drawbar (claimed)18.9 kWReference
Belt (claimed)24.2 kWReference
MorrisReference
tvoReference
4-cylinderReference
liquid-cooledReference
Displacement3.8 LReference
Bore/Stroke100 x 120 mmReference
Power28.3 kWReference
Air cleaneroil bathReference
Rated RPM2000Reference
Idle RPM600-2000Reference
Torque187.1 NmReference
Torque RPM1000Reference
Starter volts12Reference
Oil capacity7.4 LReference
Coolant capacity18.2 LReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutch280mm mechanical dry discReference
Oil capacity47.7 LReference
PTO & Hydraulics
Typeopen centerReference
Pressure69.0 barReference
Rear TypeIReference
Rear lift1678 kgReference
Rear PTOtransmissionReference
Rear PTO Type540 (1.375)Reference
Engine RPM527@1400Reference
Dimensions
Wheelbase198 cmReference
Weight2216 kgReference
Front tire6.00-19Reference
Rear tire11.00-36Reference
Ag front6.00-19Reference
Ag rear11.00-36Reference
Ag rear9.00-36Reference
Length312 cmReference
Width210 cmReference
Height (hood)153 cmReference
Height (exhaust)208 cmReference
Operating weight2216 kgReference
Clearance (front axle)45 cmReference
Clearance (rear axle)58 cmReference
Front tread121 to 193 cmReference
Rear tread134 to 223 cmReference
Capacities
Diameter26 cmReference
RPM1039Reference
Speed884.53 meters/minReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.