| Manufacturer | Nuffield |
| Price | - |
| Model | Universal 3 |
| Equipment Type | Farm Agricultural Tractors |
| Factory |
NEBRASKA TRACTOR TEST 663
| Description | Diesel 5-speed 2WD August 15, 1985 - August 20, 1958 Link: Nebraska Tractor Test 663 file PTO performance Drawbar performance Gear 3 used for power test |
| Power at rated engine speed | 34.21hp / 25.5kW |
| Fuel use | 2.4gal/hour / 9.1l/hour |
| Max power | 29.81hp / 22.2kW |
NUFFIELD UNIVERSAL 3 POWER
| Drawbar (claimed) | 25hp / 18.6kW |
| PTO (claimed) | 31hp / 23.1kW |
| Drawbar (tested) | 29.81hp / 22.2kW |
| PTO (tested) | 34.21hp / 25.5kW |
ENGINE DETAIL
The Nuffield Universal 3 tractor features a Morris diesel 3-cylinder engine with a liquid-cooled system, offering a displacement of 2.6L which contributes to its efficient torque delivery at a rated RPM of 2000. With a compression ratio of 16.5:1, it provides good fuel efficiency but may be sensitive to fuel quality. The oil bath air cleaner enhances engine longevity by better filtration, making it suitable for agricultural applications in dusty environments; however, regular maintenance is required to ensure optimal performance.
| Description | Morris diesel 3-cylinder liquid-cooled vertical I-head |
| Displacement | 155.6ci / 2.6L |
| Bore/Stroke | 3.74x4.724inches / 95x 120mm |
| Air cleaner | oil bath |
| Compression | 16.5:1 |
| Rated RPM | 2000 |
NUFFIELD UNIVERSAL 3 ENGINE
The Nuffield Universal 3 features a robust Morris 2.6L 3-cylinder diesel engine, renowned for its reliability and moderate power output, suitable for small to mid-sized farming applications. Its compact design allows for enhanced maneuverability in tight spaces, although the 3-cylinder configuration may lead to increased vibration compared to 4-cylinder alternatives. A potential challenge is the availability of replacement parts, as this classic model may be harder to source, impacting maintenance and restoration efforts.
| Description | Morris 2.6L 3-cyl diesel |
TRANSMISSION
The Nuffield Universal 3 tractor features a simple transmission system with 5 forward gears and 1 reverse, allowing for moderate speed control and maneuverability. This setup provides sufficient versatility for light to medium agricultural tasks, although the limited gear range may present challenges in varying terrain or heavy-load applications. Operators should consider the tractor's power-to-weight ratio to optimize performance in specific scenarios.
| Gears | 5 forward and 1 reverse |
MECHANICAL
The Nuffield Universal 3's 4x2 2WD chassis offers good maneuverability and is suitable for lighter agricultural duties or small farm operations, although it may struggle in more challenging terrains requiring significant traction. Its 5-speed transmission allows for decent speed variation, which can enhance efficiency during fieldwork but may limit performance in steep gradients or heavy loads. Overall, this tractor is ideal for tasks like tilling and light hauling, though operators should be cautious of its limitations in adverse conditions.
| Chassis | 4x2 2WD |
| Transmission | 5-speed |
NUFFIELD UNIVERSAL 3 TIRES
The Nuffield Universal 3 tractor features agricultural tires with a front size of 6.00x16 and a rear size of 13x24, providing a balanced load distribution and enhanced traction on varied terrains. The larger rear tires improve stability and power transfer during field operations, while the front tire size allows for better maneuverability in tighter spaces. A potential challenge may be tire availability for replacements, given the model's age, impacting maintenance considerations for consistent operational performance.
| Ag front | 6.00x16 |
| Ag rear | 13x24 |
DIMENSIONS
| Operating weight | 4,815lbs / 2184kg |
| Ballasted weight | 8,085lbs / 3667kg |
DIMENSIONS & TIRES
The Nuffield Universal 3, weighing 4,815 lbs (2,184 kg), is designed for moderate fieldwork and transport tasks, making it suitable for small to medium-sized farms. Its front tire size of 6.00x16 enhances maneuverability, while the 13x24 rear tire provides substantial traction and stability on varying terrains. However, the tractor's weight and tire dimensions may limit its performance in heavy-duty applications and on steep inclines.
| Weight | 4,815lbs / 2184kg |
| Front tire | 6.00x16 |
| Rear tire | 13x24 |