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Tractor · 1948Unverified

Nuffield Universal M4

Name: Nuffield Universal M4
Brand: Nuffield

Nuffield Universal M4 — Row-Crop tractor · 38 hp. Reference specifications; pending source verification.

The Nuffield Universal M4 tractor has a rating of approximately 38 hp, positioning it at the lighter end of its class. It was manufactured between 1948 and 1961. It is powered by a 4-cylinder liquid-cooled engine, paired with two-wheel drive and a 5-speed gearbox. Its listed operating weight is 2216 kg, with a suitable operating area of up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

61 rows

Recorded power

38 hp

Recorded weight

2216 kg

Transmissions

5-speed gear

Production years

1948-1961

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

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.

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