Nuffield Universal M4

Last Updated: June 2024

Overview

The Nuffield Universal M4 is a classic row-crop tractor that has been a staple in agriculture for its robustness and straightforward engineering. With a Morris 4-cylinder, liquid-cooled engine that displaces 230.1 cubic inches, it is designed to deliver a power output of 38 horsepower. It operates with a manual steering system and a gear-based transmission featuring five forward and one reverse gear. The chassis is a basic 4x2 2WD setup, which is commensurate with tractors of its era, providing a practical balance between maneuverability and power delivery for various farming tasks. This tractor was equipped with a 12-volt starter system and featured a traditional open center hydraulic system.
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Key Specifications

Category: Row Crop

Power Output: 38

Transmission: Gear

Drive Type: 2WD

Operating Weight: 4886

Fuel Type: TVO (Tractor Vaporising Oil)

Nuffield Universal M4 vs. Similar Tractors

Power Output
Poor
Greater than 3% of similar tractors.
Operating Weight
Below Average
Greater than 20% of similar tractors.

Technical Specifications

Engine

Manufacturer
Morris
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
TVO (Tractor Vaporising Oil)
Induction Type
Naturally aspirated
Cylinders
4
Displacement (ci)
230.1
Bore (in)
3.94
Stroke (in)
4.72
Rated RPM
2000
Power Output (hp)
38

Transmission

Type
Gear
Forward Gears
5
Reverse Gears
1
Total Gears
-

Dimensions

Length (in)
123
Width (in)
83
Height (in)
82 (Height to exhaust)
Operating Weight (lb)
4886

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Manual
Coolant Capacity (qts)
19.2
Front Tire Diameter (in)
19
Front Tire Width (in)
-
Rear Tire Diameter (in)
36
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
-
Hitch Type
Category I
Hitch Category
-
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
12 Volt
Brake Type
-
Hydraulic System Type
Open center

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