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Nuffield

Nuffield DM-4

The Nuffield DM-4 is a utility tractor produced from 1950 to 1961 by Nuffield. It features a Perkins 3.2L 4-cylinder liquid-cooled diesel engine with a 5-speed gear transmission. The tractor delivers 40.5 hp at the drawbar and 45 hp at the belt. It has a two-wheel drive with spur gear final drives and independent mechanical contracting band brakes. The operating weight is 4545 lbs with front tires sized 6.00x16 and rear tires 11.00x36. The tractor has an open operator station and a rear type I hitch.
Power50 hp[B]
Founded1950 - 1961
ModelDM-4
Nuffield DM-4 tractor
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Technical Specifications

Detailed specifications and technical data for Nuffield DM-4

Power
Belt (claimed)45 hp (33.6 kW)
Drawbar (claimed)40.5 hp (30.2 kW)
Engine
Typediesel
ModelPerkins P4TA
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2000
Air cleaneroil bath
Bore/Stroke3.50x5.00 inches (89 x 127 mm)
Compression22:1
Displacement192.2 ci (3.2 L)
Starter volts12
Dimensions
Rear tire11.00x36
Front tire6.00x16
Operating weight4545 lbs (2061 kg)
Mechanical
DriveTwo-wheel drive
BrakesIndependent mechanical contracting band brakes
Final drivesspur gear
Operator stationOpen operator station
Production
TypeUtility tractor
ManufacturerNuffield
Years produced1950 - 1961
Transmission
Typegear
Gears5 forward and 1 reverse
Tractor hitch
Rear TypeI

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