Overview
The Nuffield 3/42 is a 2WD farm tractor manufactured in Birmingham, England between 1961 and 1963. It features a BMC 2.6L 3-cylinder liquid-cooled diesel engine rated at 42 gross horsepower and a 5-speed gear transmission with a 280mm dry disc clutch.
Ideal Applications
Engine and Power Output:
The 155.6 ci diesel engine produces 39.8 net hp at a rated 2000 RPM and is listed with a claimed 33.8 hp at the drawbar and 38.6 hp at the belt.
Operational Dimensions and Clearance:
Configured with a 72.8-inch wheelbase and a 111-inch length, the tractor provides 20.2 inches of ground clearance at the frame and a 2300 lb rear lift capacity.
Transmission and PTO Configuration:
Equipped with a 5 forward and 1 reverse gear transmission, the unit includes an independent rear 540 PTO and a 10.5-inch diameter belt pulley rated at 1150 RPM.
Production
| Description | Built in Birmingham, England |
|---|---|
| Manufacturer | Nuffield |
Engine
| Engine type | BMC 2.6L 3-cyl diesel |
|---|---|
| Fuel tank | 16.8 gal (63.6 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 3.937x4.724 inches (100 x 120 mm) |
| Compression | 16.5:1 |
| Coolant capacity | 12.6 qts (11.9 L) |
| Description | BMC / diesel / 3-cylinder / liquid-cooled |
| Displacement | 155.6 ci (2.6 L) |
| Power (gross) | 42 hp (31.3 kW) |
| Power (net) | 39.8 hp (29.7 kW) |
| Rated RPM | 2000 |
| Belt (claimed) | 38.6 hp (28.8 kW) |
| Drawbar (claimed) | 33.8 hp (25.2 kW) |
| Engine (gross) | 42 hp (31.3 kW) |
| Engine (net) | 39.8 hp (29.7 kW) |
Transmission
| Clutch | 280mm dry dsic |
|---|---|
| Gears | 5 forward and 1 reverse |
| Oil capacity | 57.6 qts (54.5 L) |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
| Final drives | spur gear |
Hydraulics
| Type | open center |
|---|
Hitch
| Rear lift | 2300 lbs (1043 kg) |
|---|---|
| Rear Type | II/I |
PTO
| Engine RPM | 528@1400 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Dimensions & Tires
| Clearance (drawbar) | 16.4 inches (41 cm) |
|---|---|
| Clearance (front axle) | 16.7 inches (42 cm) |
| Front tread | 52.8 to 71.3 inches (134 to 181 cm) |
| Ground clearance | 20.2 inches (at frame) (51 cm) |
| Height (exhaust) | 75.6 inches (192 cm) |
| Height (hood) | 55.1 inches (139 cm) |
| Length | 111 inches (281 cm) |
| Operating weight | 4330 lbs (1964 kg) |
| Rear tread | 52 to 79.9 inches (132 to 202 cm) |
| Wheelbase | 72.8 inches (184 cm) |
| Width | 68.1 inches (172 cm) |
| Front tire | 5.50-16 |
| Rear tire | 10.00-28 |
| Weight | 4330 lbs (1964 kg) |
| Wheelbase | 72.8 inches (184 cm) |
| Ag front | 5.50-16 / 6.00-16 |
| Ag rear | 10.00-28 / 11.00-28 |
Belt Pulley
| Diameter | 10.5 inches (26 cm) |
|---|---|
| RPM | 1150 |
| Speed | 3160 ft/min (963.17 meters/min) |
References
| Description | 3 42 published in 1961, by Nuffield |
|---|