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Nuffield Universal M3

Nuffield Universal M3 tractor
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The Nuffield Universal M3 is a row-crop tractor produced by Nuffield from 1948 to 1961. Built in Birmingham, England, it features a Morris 3.8L 4-cylinder liquid-cooled engine producing 38 hp. The tractor has a 5-speed gear transmission with 1 reverse, two-wheel drive, manual steering, and mechanical drum brakes. It includes an open operator station and an open center hydraulic system with 1000 psi pressure. The rear hitch is type I with a lift capacity of 3700 lbs. The rear PTO operates at 540 RPM. Dimensions include an 83-inch wheelbase, 126-inch length, and an operating weight of 4848 lbs. Tires are 9.00-10 front and 11.00-36 or 9.00-36 rear. The M3 variant has a tricycle front, while the M4 variant has a wide front.
NuffieldUniversal M3tractorspecificationsenginetransmissiondimensionshydraulicspowerfarm tractor
Power-
Founded-
ModelM3

Technical Specifications

Detailed specifications and technical data for Nuffield Universal M3

Power

Engine:38 hp (28.3 kW)
Belt (claimed):32.5 hp (24.2 kW)
Drawbar (claimed):25.4 hp (18.9 kW)

Engine

Make:Morris
Model:tvo
Power:38 hp (28.3 kW)
Torque:138 lb-ft (187.1 Nm)
Cooling:liquid-cooled
Idle RPM:600-2000
Aux. fuel:7.2 gal (27.3 L)
Cylinders:4-cylinder
Fuel tank:19.2 gal (72.7 L)
Rated RPM:2000
Torque RPM:1000
Air cleaner:oil bath
Bore/Stroke:3.94x4.72 inches (100 x 120 mm)
Displacement:230.1 ci (3.8 L)
Oil capacity:7.8 qts (7.4 L)
Starter volts:12
Coolant capacity:19.2 qts (18.2 L)

Variants

M3:tricycle front
M4:wide front

Hydraulics

Type:open center
Pressure:1000 psi (69.0 bar)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical drum brakes
Steering:Manual steering
Operator station:Open operator station

Production

Type:Row-Crop tractor
Built in:Birmingham, England
Years made:1948 - 1961

References

Source:The Nuffield Universal Tractor published in 1949

Belt Pulley

RPM:1039
Speed:2902 ft/min (884.53 meters/min)
Diameter:10.25 inches (26 cm)

Transmission

Type:gear
Gears:5 forward and 1 reverse
Clutch:280mm mechanical dry disc
Oil capacity:50.4 qts (47.7 L)

Tractor hitch

Rear Type:I
Rear lift:3700 lbs (1678 kg)

Dimensions & Tires

Width:83 inches (210 cm) *Width at rear axles.
Length:126 inches (320 cm)
Rear tire:11.00-36, 9.00-36
Wheelbase:83 inches (210 cm)
Front tire:9.00-10
Rear tread:53 to 88 inches (134 to 223 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)

Power Take-off (PTO)

Rear PTO:transmission
Engine RPM:527@1400
Rear PTO Type:540 (1.375)