Introduction
Nuffield 3/42 Agricultural Tractor
The Nuffield 3/42 is a two-wheel-drive agricultural tractor manufactured in Birmingham, England, between 1961 and 1963. Designed for general farm utility, this model represents a standard configuration for mid-20th-century agricultural operations, featuring a robust chassis and manual control systems.
Engine and Performance
The tractor is powered by a 3-cylinder BMC diesel engine with a displacement of 155.6 cubic inches (2.6 L). It utilizes liquid cooling and an oil bath air cleaner to maintain operational efficiency. The engine delivers a gross power output of 42 hp (31.3 kW) and a net power of 39.8 hp (29.7 kW) at a rated speed of 2000 RPM. The compression ratio is set at 16.5:1.
Transmission and Drivetrain
The power is transferred through a gear-type transmission providing 5 forward speeds and 1 reverse speed. The drivetrain includes a 280mm dry disc clutch and spur gear final drives. Traction is managed by a mechanical rear differential lock, suitable for improving grip in field conditions.
Hydraulics and PTO
The Nuffield 3/42 is equipped with an open-center hydraulic system. It features an independent rear PTO operating at 540 RPM. The rear hitch is compatible with category II/I implements and provides a lift capacity of 2300 lbs (1043 kg), allowing for the operation of various mounted agricultural attachments.
Dimensions and Chassis
With an operating weight of 4330 lbs (1964 kg) and a wheelbase of 72.8 inches (184 cm), the tractor offers a stable platform for field work. It features manual steering and an open operator station. The rear tread width is adjustable between 52 and 79.9 inches (132 to 202 cm), while the front tread can be adjusted from 52.8 to 71.3 inches (134 to 181 cm).
Conclusion
The Nuffield 3/42 is a straightforward, mechanical tractor suited for light to medium agricultural duties. Its simple design, combined with a reliable BMC diesel engine and standard PTO capabilities, makes it a durable machine for collectors and small-scale farming applications.
Nuffield 3/42 Manuals & Documentation
Download the manuals and documentation available for the Nuffield 3/42: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
- Catalogue des vues éclatées de la page 001 à 200PDF · 306.694 Mo
- Catalogue des vues éclatées de la page 201 à 400PDF · 285.248 Mo
- Catalogue des vues éclatées de la page 401 à 534PDF · 192.325 Mo
- Manuel atelier page 001-047PDF · 34.492 Mo
- Manuel atelier page 048-094PDF · 42.851 Mo
- Manuel atelier page 095-142PDF · 49.274 Mo
- Manuel atelier page 143-190PDF · 44.723 Mo
- Manuel atelier page 191-239PDF · 45.379 Mo
- Manuel atelier page 240-287PDF · 44.408 Mo
- Manuel atelier page 288-335PDF · 40.949 Mo
- Manuel atelier page 336-383PDF · 45.897 Mo
- Manuel atelier page 384-431PDF · 44.232 Mo
- Manuel atelier page 432-462PDF · 26.107 Mo
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of Nuffield, 3/42
- Built in Birmingham, England
| Manufacturer | Nuffield |
|---|
Dimension and Tires Information of Nuffield, 3/42
| Rear tread | 52 to 79.9 inches [132 to 202 cm] |
|---|---|
| Wheelbase | 72.8 inches [184 cm] |
| Height (exhaust) | 75.6 inches [192 cm] |
| Height (hood) | 55.1 inches [139 cm] |
| Length | 111 inches [281 cm] |
| Clearance (front axle) | 16.7 inches [42 cm] |
| Operating weight | 4330 lbs [1964 kg] |
| Width | 68.1 inches [172 cm] |
| Front tread | 52.8 to 71.3 inches [134 to 181 cm] |
| Clearance (drawbar) | 16.4 inches [41 cm] |
| Ground clearance | 20.2 inches (at frame) [51 cm] |
| Ag front | 5.50-16 |
|---|---|
| Ag front(optional) | 13.00-24 |
| Ag rear | 11.00-28 |
| Ag rear | 10.00-28 |
| Ag front | 6.00-16 |
Engine Specifications of Nuffield, 3/42
- BMC
- Liquid-cooled
- Diesel
- 3-cylinder
| Rated RPM | 2000 |
|---|---|
| Displacement | 155.6 ci [2.6 L] |
| Power (gross) | 42 hp [31.3 kW] |
| Bore/Stroke | 3.937x4.724 inches [100 x 120 mm] |
| Coolant capacity | 12.6 qts [11.9 L] |
| Compression | 16.5:1 |
| Air cleaner | Oil bath |
| Power (net) | 39.8 hp [29.7 kW] |
Transmission Information of Nuffield, 3/42
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 57.6 qts [54.5 L] |
| Gears | 5 forward and 1 reverse |
| Clutch | 280mm dry dsic |
Mechanical Specs of Nuffield, 3/42
- Two-wheel drive
- Open operator station.
- Manual steering
| Final drives | Spur gear |
|---|---|
| Differential lock | Mechanical rear |
Power Information of Nuffield, 3/42
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 528@1400 |
Hydraulics Specifications of Nuffield, 3/42
| Type | Open center |
|---|
Three-Point Hitch of Nuffield, 3/42
| Rear Type | II/I |
|---|---|
| Rear lift | 2300 lbs [1043 kg] |
Where it sits
With 42 HP, the Nuffield 3/42 sits between PM-4 (40 HP) and 10/42 (43 HP) in Nuffield's range. Its power puts it in the 38th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the Nuffield 3/42 have?
The Nuffield 3/42 delivers 42 HP.
What years was the Nuffield 3/42 produced?
The Nuffield 3/42 was produced in 1961-1963.
What engine does the Nuffield 3/42 have?
The Nuffield 3/42 is powered by a Diesel, 3-cylinder engine.
What transmission does the Nuffield 3/42 use?
The Nuffield 3/42 uses a Gear transmission.
How much does the Nuffield 3/42 weigh?
The Nuffield 3/42 weighs 4330 lbs [1964 kg].
Is the Nuffield 3/42 4WD?
The Nuffield 3/42 is available in 2WD.