Nuffield Universal 3

The Nuffield Universal 3 is a tractor produced by Nuffield. It is equipped with a 155.6 ci 2.6 L engine. The listed engine power is 34.21 hp 25.5 kW. Transmission: 5 forward and 1 reverse. Operating weight: 4,815 lbs 2184 kg.

Engine Power

34.21 hp 25.5 kW

Fuel & Capacities

Diesel

Transmission

5 forward and 1 reverse

Operating Weight

4,815 lbs 2184 kg

Overview

	1957 - 1961 Farm/Agricultural tractor

Production
Manufacturer	Nuffield
Farm/Agricultural tractor

Nuffield Universal 3 Engine
Morris 2.6L 3-cyl diesel
Engine details ...

Nuffield Universal 3 Transmission
5-speed
Transmission details ...

Nuffield Universal 3 Power
Drawbar (claimed)	25 hp 18.6 kW
PTO (claimed)	31 hp 23.1 kW
Drawbar (tested)	29.81 hp 22.2 kW
PTO (tested)	34.21 hp 25.5 kW
Performance test details ...

Mechanical
Two-wheel drive

Dimensions & Tires
Weight	4,815 lbs 2184 kg
Front tire	6.00x16
Rear tire	13x24
Full dimensions and tires ...

Engine

Engine Detail — 155.6 ci / 2.6 L Diesel

Manufacturer	Morris
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled vertical I-head
Displacement	155.6 ci 2.6 L
Bore/Stroke	3.74x4.724 inches 95 x 120 mm
Air cleaner	oil bath
Compression	16.5:1
Rated RPM	2000

Transmission

Transmission — 5 forward and 1 reverse

Gears

5 forward and 1 reverse

Dimensions

Nuffield Universal 3 Tires
Ag front	6.00x16
Ag rear	13x24

Dimensions
Operating weight	4,815 lbs 2184 kg
Ballasted weight	8,085 lbs 3667 kg

Tests

Nebraska Tractor Test 663
Diesel 5-speed 2WD August 15, 1985 - August 20, 1958 Link: Nebraska Tractor Test 663 file
PTO performance
Power at rated engine speed	34.21 hp 25.5 kW
Fuel use	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power	29.81 hp 22.2 kW
Gear 3 used for power test.

Recommended Implements & Sizing Guide

Engineering recommendations for Nuffield Universal 3 based on its 34.21 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Nuffield Universal 3.

Estimated Continuous Field Runtime: 1.3 hrs

Approximately 1.3 hours of continuous field operation at ~75% rated power on a full tank (2.4 gal / 9.1 L).

Estimated 75% Load Fuel Burn~1.8 gal/hr (6.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours