Nuffield DM-4 Utility Tractors Specifications

Engine

The engine is not specified in the data provided. However, based on the model of the tractor, it is likely that the engine is a Perkins P4TA diesel engine with 4 cylinders and liquid-cooling. The engine has a displacement of 192.2 cubic inches or 3.2 liters, with a bore/stroke ratio of 3.50x5.00 inches or 89 x 127 mm. The air cleaner is an oil bath type, and the compression ratio is 22:1. The engine is rated at 2000 RPM and has a 12-volt starter.

Transmission

The transmission has two different claimed power outputs. The drawbar output is 40.5 horsepower or 30.2 kilowatts, while the belt output is 45 horsepower or 33.6 kilowatts. The transmission is a 5-speed gear type with 1 reverse gear. The gear ratios are not specified in the data. The transmission also has a belt drive, but the details of the belt drive are not provided.

Brakes

The brakes are independent mechanical contracting band type. The details of the brakes are not specified in the data. However, based on the model of the tractor, it is likely that the brakes are located on the rear wheels. The engine is a Perkins P4TA diesel engine with 4 cylinders and liquid-cooling. The engine has a displacement of 192.2 cubic inches or 3.2 liters, with a bore/stroke ratio of 3.50x5.00 inches or 89 x 127 mm. The air cleaner is an oil bath type, and the compression ratio is 22:1. The engine is rated at 2000 RPM and has a 12-volt starter.

Steering

The steering is powered by a Perkins 3.2L 4-cylinder diesel engine. The details of the steering system are not specified in the data. However, based on the model of the tractor, it is likely that the steering is a manual steering system. The engine is a Perkins P4TA diesel engine with 4 cylinders and liquid-cooling. The engine has a displacement of 192.2 cubic inches or 3.2 liters, with a bore/stroke ratio of 3.50x5.00 inches or 89 x 127 mm. The air cleaner is an oil bath type, and the compression ratio is 22:1. The engine is rated at 2000 RPM and has a 12-volt starter.

Common Problems

Users of the Nuffield DM-4 tractor have reported several common problems. The chassis of the tractor is a 4x2 2WD type, which can limit its ability to handle heavy loads or work on uneven terrain. The final drives of the tractor are spur gear type, which can be prone to wear and tear over time. The brakes are independent mechanical contracting band type, which can be difficult to maintain and repair. The cab of the tractor is an open operator station, which can be uncomfortable for long periods of use. The transmission is a 5-speed gear type, which can limit the tractor's speed and versatility.

What Users Like

Users of the Nuffield DM-4 tractor appreciate several features of the model. The front tires are 6.00x16 and the rear tires are 11.00x36, which provide good traction and stability. The tractor has a Perkins P4TA diesel engine with 4 cylinders and liquid-cooling, which is known for its durability and reliability. The transmission has two different claimed power outputs, which can provide flexibility for different types of work. The hydraulic system is gear type with 5 forward gears and 1 reverse gear, which can provide good power for rear implements. The tractor has a belt drive, which can be useful for certain types of work.

Techincal Specifications

Power
Drawbar (claimed)	40.5 hp/30.2 kW
Belt (claimed)	45 hp/33.6 kW
Engine Detail
Description	Perkins P4TA/diesel/4-cylinder/liquid-cooled
Displacement	192.2 ci/3.2 L
Bore/stroke	3.50x5.00 inches/89 x 127 mm
Air Cleaner	oil bath
Compression	22:1
Rated Rpm	2000
Starter Volts	12
Engine
Description	Perkins 3.2L 4-cyl diesel
Transmission
Type	gear
Gears	5 forward and 1 reverse
Mechanical
Chassis	4x2 2WD
Final Drives	spur gear
Brakes	independent mechanical contracting band
Cab	Open operator station.
Transmission	5-speed gear
Tires
Ag Front	6.00x16
Ag Rear	11.00x36
Dimensions
Operating Weight	4545 lbs/2061 kg
Rear Axle	Flange
Dimensions And Tires
Weight	4545 lbs/2061 kg
Front Tire	6.00x16
Rear Tire	11.00x36
Tractor Hitch
Rear Type	I