Nuffield
Nuffield 3/42
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.
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) |
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