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Nuffield Universal M4 Specs ( 1948-1961 )

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Production

Description Row-Crop tractor / Built in Birmingham, England
Manufacturer Nuffield

Engine

Aux. fuel 7.2 gal (27.3 L)
Engine type Morris 3.8L 4-cyl tvo
Fuel tank 19.2 gal (72.7 L)
Air cleaner oil bath
Bore/Stroke 3.94x4.72 inches (100 x 120 mm)
Coolant capacity 19.2 qts (18.2 L)
Description Morris / tvo / 4-cylinder / liquid-cooled
Displacement 230.1 ci (3.8 L)
Idle RPM 600-2000
Oil capacity 7.8 qts (7.4 L)
Power 38 hp (28.3 kW)
Rated RPM 2000
Starter volts 12
Torque 138 lb-ft (187.1 Nm)
Torque RPM 1000
Belt (claimed) 32.5 hp (24.2 kW)
Drawbar (claimed) 25.4 hp (18.9 kW)

Transmission

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

Mechanical

Cab Open operator station.
Description Manual steering / Mechanical drum brakes
Drive type Two-wheel drive

Hydraulics

Pressure 1000 psi (69.0 bar)
Type open center

Hitch

Rear lift 3700 lbs (1678 kg)
Rear Type I

PTO

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

Dimensions & Tires

Clearance (front axle) 18 inches (45 cm)
Clearance (rear axle) 23 inches (58 cm)
Front tread 48 to 76 inches (121 to 193 cm)
Height (exhaust) 82 inches (208 cm)
Height (hood) 60.5 inches (153 cm)
Length 123 inches (312 cm)
Operating weight 4886 lbs (2216 kg)
Rear tread 53 to 88 inches (134 to 223 cm)
Wheelbase 78 inches (198 cm)
Width 83 inches*Width at rear axles. (210 cm)
Front tire 6.00-19
Rear tire 11.00-36
Weight 4886 lbs (2216 kg)
Wheelbase 78 inches (198 cm)
Ag front 6.00-19
Ag rear 11.00-36 / 9.00-36

Belt Pulley

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

References

Description The Nuffield Universal Tractor published in 1949

Variants

M3 tricycle front
M4 wide front