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Nuffield 3/42

Nuffield 3/42 tractor
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The Nuffield 3/42 is a farm tractor produced from 1961 to 1963 by Nuffield in Birmingham, England. It features a BMC 2.6L 3-cylinder liquid-cooled diesel engine delivering 42 hp gross and 39.8 hp net. The tractor has a 5-speed gear transmission with 1 reverse, two-wheel drive with spur gear final drives, and a mechanical rear differential lock. It includes an open operator station and manual steering. The hydraulics system is open center type, and the rear hitch is type II/I with a lift capacity of 2300 lbs. The rear PTO is independent with a 540 RPM type. Dimensions include a 72.8 inch wheelbase, 111 inch length, and operating weight of 4330 lbs. Tires vary with front sizes 5.50-16 and 6.00-16, and rear sizes 10.00-28, 11.00-28, and 13.00-24. The belt pulley diameter is 10.5 inches running at 1150 RPM.
Nuffield 3/42tractorfarm tractorspecificationsenginetransmissiondimensionshydraulicsPTO
Power42 hp
Founded1961 - 1963
Model3/42

Technical Specifications

Detailed specifications and technical data for Nuffield 3/42

Power

Engine (net):39.8 hp (29.7 kW)
Belt (claimed):38.6 hp (28.8 kW)
Engine (gross):42 hp (31.3 kW)
Drawbar (claimed):33.8 hp (25.2 kW)

Engine

Type:diesel, 3-cylinder, liquid-cooled
Model:BMC 2.6L 3-cyl diesel
Fuel tank:16.8 gal (63.6 L)
Rated RPM:2000
Air cleaner:oil bath
Bore/Stroke:3.937x4.724 inches (100 x 120 mm)
Compression:16.5:1
Displacement:155.6 ci (2.6 L)
Coolant capacity:12.6 qts (11.9 L)

Hydraulics

Type:open center

Mechanical

Drive:Two-wheel drive
Steering:Manual
Final drives:spur gear
Operator station:Open operator station
Differential lock:mechanical rear

Production

Built in:Birmingham, England
Years made:1961 - 1963
Manufacturer:Nuffield

Belt Pulley

RPM:1150
Speed:3160 ft/min (963.17 meters/min)
Diameter:10.5 inches (26 cm)

Transmission

Type:gear
Gears:5 forward and 1 reverse
Clutch:280mm dry dsic
Oil capacity:57.6 qts (54.5 L)

Tractor hitch

Rear Type:II/I
Rear lift:2300 lbs (1043 kg)

Dimensions & Tires

Width:68.1 inches (172 cm)
Length:111 inches (281 cm)
Rear tire:10.00-28, 11.00-28, 13.00-24
Wheelbase:72.8 inches (184 cm)
Front tire:5.50-16, 6.00-16
Rear tread:52 to 79.9 inches (132 to 202 cm)
Front tread:52.8 to 71.3 inches (134 to 181 cm)
Height (hood):55.1 inches (139 cm)
Ground clearance:20.2 inches (at frame) (51 cm)
Height (exhaust):75.6 inches (192 cm)
Operating weight:4330 lbs (1964 kg)
Clearance (drawbar):16.4 inches (41 cm)
Clearance (front axle):16.7 inches (42 cm)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:528@1400
Rear PTO Type:540 (1.375)