Nuffield M3 tractor

Nuffield M3

Power

38 hp

Production

1948-1961

Engine

4-cylinder

Transmission

Gear

Weight

4848 lbs [2199 kg]

Drive

2WD

Introduction

Nuffield M3 Row-Crop Tractor

The Nuffield M3 is a row-crop tractor manufactured between 1948 and 1961 in Birmingham, England. Designed for mid-century agricultural operations, this two-wheel-drive machine combines mechanical simplicity with a durable construction intended for general field tasks.

Engine and Performance

The tractor is powered by a 4-cylinder, liquid-cooled engine with a displacement of 230.1 cubic inches (3.8 liters). It produces 38 horsepower (28.3 kW) at a rated speed of 2000 RPM. The engine features an oil bath air cleaner and generates 138 lb-ft of torque at 1000 RPM, providing consistent power for traction and implement operation.

Transmission and Drivetrain

Power is transferred to the wheels via a gear-type transmission offering 5 forward gears and 1 reverse gear. The drivetrain incorporates a 280mm mechanical dry disc clutch, ensuring reliable power engagement for field work and transport.

Hydraulics and Hitch

The M3 is equipped with an open-center hydraulic system operating at a pressure of 1000 psi (69.0 bar). It features a Category I rear hitch with a lift capacity of 3700 lbs (1678 kg), allowing it to handle a variety of standard implements of its era.

Operator Environment and Mechanicals

The operator station is an open design, emphasizing visibility and simplicity. Steering is manual, and the tractor is equipped with mechanical drum brakes. The total operating weight is 4848 lbs (2199 kg), with a wheelbase of 83 inches (210 cm) providing a stable platform for row-crop applications.

Conclusion

The Nuffield M3 is a functional, mid-range tractor suitable for collectors and operators focused on classic agricultural machinery. Its mechanical design and straightforward maintenance requirements make it a representative example of British tractor engineering from the post-war period.

Production Information of Nuffield, M3

  • Row-Crop tractor
  • Built in Birmingham, England
ManufacturerNuffield

Dimension and Tires Information of Nuffield, M3

Clearance (rear axle)23 inches [58 cm]
Wheelbase83 inches [210 cm]
Height (exhaust)83 inches [210 cm]
Height (hood)61.5 inches [156 cm]
Length126 inches [320 cm]
Rear tread53 to 88 inches [134 to 223 cm]
Operating weight4848 lbs [2199 kg]
Width83 inches [210 cm]

Width at rear axles.

Ag front9.00-10
Ag rear11.00-36
Ag rear9.00-36

Engine Specifications of Nuffield, M3

  • Morris
  • Liquid-cooled
  • Tvo
  • 4-cylinder
Coolant capacity19.2 qts [18.2 L]
Air cleanerOil bath
Rated RPM2000
Torque138 lb-ft [187.1 Nm]
Idle RPM600-2000
Displacement230.1 ci [3.8 L]
Power38 hp [28.3 kW]
Bore/Stroke3.94x4.72 inches [100 x 120 mm]
Oil capacity7.8 qts [7.4 L]
Starter volts12
Torque RPM1000

Transmission Information of Nuffield, M3

Transmission variants 1

TypeGear
Oil capacity50.4 qts [47.7 L]
Gears5 forward and 1 reverse
Clutch280mm mechanical dry disc

Mechanical Specs of Nuffield, M3

  • Two-wheel drive
  • Open operator station.
  • Manual steering
  • Mechanical drum brakes

Power Information of Nuffield, M3

Rear PTOTransmission
Rear PTO Type540 (1.375)
Engine RPM527@1400

Hydraulics Specifications of Nuffield, M3

TypeOpen center
Pressure1000 psi [69.0 bar]

Three-Point Hitch of Nuffield, M3

Rear TypeI
Rear lift3700 lbs [1678 kg]

Where it sits

With 38 HP, the Nuffield M3 sits between Universal 3 (34 HP) and PM-4 (40 HP) in Nuffield's range. Its power puts it in the 58th percentile of 1940s models in our database (263 machines).

Frequently asked questions

How much horsepower does the Nuffield M3 have?

The Nuffield M3 delivers 38 HP.

What years was the Nuffield M3 produced?

The Nuffield M3 was produced in 1948-1961.

What engine does the Nuffield M3 have?

The Nuffield M3 is powered by a 4-cylinder engine.

What transmission does the Nuffield M3 use?

The Nuffield M3 uses a Gear transmission.

How much does the Nuffield M3 weigh?

The Nuffield M3 weighs 4848 lbs [2199 kg].

Is the Nuffield M3 4WD?

The Nuffield M3 is available in 2WD.

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