Nuffield M4 tractor specifications

1948 - 1961

1948 - 1961 Row-Crop tractor

Production

Production Manufacturer:Nuffield
Type:Row-Crop tractor
Factory:Birmingham, England

Variants

Variants M3:tricycle front
M4:wide front

1948 - 1961

Row-Crop tractor

Production

Production
Manufacturer:	Nuffield
Type:	Row-Crop tractor
Factory:	Birmingham, England

Variants

Variants
M3:	tricycle front
M4:	wide front

Nuffield M3 Power

Nuffield M3 Power
Engine:	38 hp 28.3 kW
Drawbar (claimed):	25.4 hp 18.9 kW
Belt (claimed):	32.5 hp 24.2 kW

Nuffield M3 Engine

Nuffield M3 Engine
Morris 3.8L 4-cyl tvo
Fuel tank:	19.2 gal 72.7 L
Aux. fuel:	7.2 gal 27.3 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
Steering:	manual
Brakes:	mechanical drum
Cab:	Open operator station.
Transmission:	5-speed gear
Transmission details ...

Hydraulics

Hydraulics
Type:	open center
Pressure:	1000 psi 69.0 bar

Tractor hitch

Tractor hitch
Rear Type:	I
Rear lift:	3700 lbs 1678 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission
Rear RPM:	540 (1.375)
Engine RPM:	527@1400

Dimensions & Tires

Dimensions & Tires
Wheelbase:	83 inches 210 cm
Weight:	4848 lbs 2199 kg
Front tire:	9.00-10
Rear tire:	11.00-36
Full dimensions and tires ...

Belt Pulley

Belt Pulley
Diameter:	10.25 inches 26 cm
RPM:	1039
Speed:	2902 ft/min 884.53 meters/min

Nuffield M4 Power

Nuffield M4 Power Engine:38 hp
28.3 kW
Drawbar (claimed):25.4 hp
18.9 kW
Belt (claimed):32.5 hp
24.2 kW

Nuffield M4 Engine

Nuffield M4 Engine Morris 3.8L 4-cyl tvo Fuel tank:19.2 gal
72.7 L
Aux. fuel:7.2 gal
27.3 L
Engine details ...

1948 - 1961

Row-Crop tractor

Engine Detail

Engine Detail
Morris
tvo
4-cylinder
liquid-cooled
Displacement:	230.1 ci 3.8 L
Bore/Stroke:	3.94x4.72 inches 100 x 120 mm
Power:	38 hp 28.3 kW
Air cleaner:	oil bath
Rated RPM:	2000
Idle RPM:	600-2000
Torque:	138 lb-ft 187.1 Nm
Torque RPM:	1000
Starter volts:	12
Oil capacity:	7.8 qts 7.4 L
Coolant capacity:	19.2 qts 18.2 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Brakes:mechanical drum
Cab:Open operator station.
Transmission:5-speed gear
Transmission details ...

1948 - 1961

Row-Crop tractor

Transmission

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

Speeds

Speeds

Hydraulics

Hydraulics Type:open center
Pressure:1000 psi
69.0 bar

Tractor hitch

Tractor hitch Rear Type:I
Rear lift:3700 lbs
1678 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission
Rear RPM:540 (1.375)
Engine RPM:527@1400

Dimensions & Tires

Dimensions & Tires Wheelbase:78 inches
198 cm
Weight:4886 lbs
2216 kg
Front tire:6.00-19
Rear tire:11.00-36
Full dimensions and tires ...

1948 - 1961

Row-Crop tractor

Nuffield M4 Tires

Nuffield M4 Tires
Ag front:	6.00-19
Ag rear:	11.00-36
Ag rear:	9.00-36

Dimensions

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