Nuffield PM-4

Production: 1950 - 1957  

Production
Manufacturer:	Nuffield
Type:	Farm/Agricultural tractor

Variants
PM-3V:	row-crop front end
diesel engine

Nuffield PM-4 Power
Engine:	48 hp 35.8 kW
Drawbar (claimed):	27 hp 20.1 kW
Belt (claimed):	34 hp 25.4 kW
Drawbar (tested):	33.66 hp 25.1 kW
PTO (tested):	38.40 hp 28.6 kW

Mechanical
Chassis:	4x2 2WD
Brakes:	independent mechanical expanding band
Transmission:	5-speed

Engine Detail
Morris Motors
gasoline
4-cylinder
liquid-cooled vertical L-head
Displacement:	230 ci 3.8 L
Bore/Stroke:	3.937x4.724 inches 100 x 120 mm
Power:	48 hp 35.8 kW
Air cleaner:	oil bath
Compression:	6:1
Rated RPM:	2000
Torque:	226 lb-ft 306.5 Nm
Torque RPM:	950
Starter volts:	12

Transmission
Gears:	5 forward and 1 reverse

Dimensions
Operating weight:	5,307 lbs 2407 kg
Ballasted weight:	7,765 lbs 3522 kg