Nuffield 3/45

Name: Nuffield 3/45
Brand: Nuffield

Power

45 hp

Production

1967-1969

Engine

Diesel, 3-cylinder

Transmission

Gear

Weight

4460 lbs [2023 kg]

Drive

2WD

40–60 HP 1960s

From the same series:

4/65

Introduction

Nuffield 3/45: The Enduring 45 HP Diesel Workhorse

Step back in time with the Nuffield 3/45, a tractor that embodies reliability and straightforward power. Manufactured between 1967 and 1969, this British-built machine offers a compelling blend of robust engineering and practical functionality, making it a sought-after classic for collectors and those who appreciate enduring agricultural machinery.

Engine Power and Performance

At its heart, the Nuffield 3/45 boasts a sturdy 3-cylinder BMC diesel engine. This liquid-cooled powerplant displaces 173 cubic inches (2.8 liters) and delivers a solid 45 horsepower at 2200 RPM. With an oil capacity of 9 quarts (8.5 L) and a coolant capacity of 10.8 quarts (10.2 L), this engine is built for sustained operation in the field.

Transmission Versatility

The transmission on the 3/45 is designed for practical farm work, featuring 10 forward gears and 2 reverse gears. This range provides ample selection for various tasks, from slow, precise operations to faster field traversions. A 280mm dry disc clutch ensures smooth engagement, while the rear PTO operates at 540 RPM, driven by the engine at 1800 RPM.

Robust Mechanicals and Control

This Nuffield is a two-wheel drive tractor, equipped with mechanical disc brakes for reliable stopping power. The steering is manual, offering a direct connection to the ground, though optional power steering was available for enhanced ease of use. Its Category II/I rear hitch system, complete with directional control and top-link draft sensing, makes it ready to tackle a wide array of implements.

Dimensions and Weight

With a wheelbase of 74.8 inches (189 cm) and an overall length of 116.9 inches (296 cm), the 3/45 strikes a balance between maneuverability and stability. Its operating weight stands at 4460 lbs (2023 kg), providing a solid foundation for its tasks. The adjustable rear tread can range from 52 to 80 inches (132 to 203 cm), allowing for adaptation to different row spacings and field conditions.

Conclusion

"The Nuffield 3/45 is more than just a tractor; it's a piece of agricultural history. Its straightforward design, dependable BMC engine, and functional transmission make it a capable machine for a variety of tasks. For enthusiasts and practical users alike, the 3/45 offers a robust and rewarding experience, representing the best of British tractor engineering from its era."

Introduction

Production Information of Nuffield, 3/45

The production information of the tractor (3/45) includes details about its manufacturing.

Built in Bathgate, Scotland


Manufacturer	Nuffield

Dimension and Tires Information of Nuffield, 3/45

This section sums up the dimension and tires information of the tractor.


Rear tread	52 to 80 inches [132 to 203 cm]
Wheelbase	74.8 inches [189 cm]
Height (exhaust)	82.7 inches [210 cm]
Height (hood)	56.7 inches [144 cm]
Length	116.9 inches [296 cm]
Clearance (front axle)	16.1 inches [40 cm]
Operating weight	4460 lbs [2023 kg]
Width	67.7 inches [171 cm]
Front tread	52 to 76 inches [132 to 193 cm]
Clearance (drawbar)	13.4 inches [34 cm]
Ground clearance	19.1 inches [48 cm]


Ag front	5.50-16
Ag rear	11.00-32
	7.50-16
Ag rear	11.00-28
	13.00-28
Ag front	6.00-16

Engine Specifications of Nuffield, 3/45

Get the specifications for the engine and if different options are available.

BMC

Liquid-cooled

Diesel

3-cylinder


Oil capacity	9 qts [8.5 L]
Displacement	173 ci [2.8 L]
Rated RPM	2200
Bore/Stroke	3.975x4.724 inches [101 x 120 mm]
Coolant capacity	10.8 qts [10.2 L]
Starter volts	12
Firing order	1-3-2
Power	45 hp [33.6 kW]

Transmission Information of Nuffield, 3/45Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1

Five gears, plus reverse, in two ranges.


Type	Gear
Gears	10 forward and 2 reverse
Clutch	280mm dry disc

Mechanical Specs of Nuffield, 3/45Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Mechanical disc brakes

Open operator station.


Steering	Power OptOptional
Final drives	Spur gear
Steering	Manual

Power Information of Nuffield, 3/45Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Rear PTO	Transmission
Engine RPM	540@1800
	Independent OptOptional
Rear PTO Type	540 (1.375)

Three-Point Hitch of Nuffield, 3/45

Hitch category and rear/front lift capacity.


Rear Type	II/I
Control	Directional control and top-link draft sensing

Frequently asked questions

How much horsepower does the Nuffield 3/45 have?

The Nuffield 3/45 delivers 45 HP.

What years was the Nuffield 3/45 produced?

The Nuffield 3/45 was produced in 1967-1969.

What engine does the Nuffield 3/45 have?

The Nuffield 3/45 is powered by a Diesel, 3-cylinder engine.

What transmission does the Nuffield 3/45 use?

The Nuffield 3/45 uses a Gear transmission.

How much does the Nuffield 3/45 weigh?

The Nuffield 3/45 weighs 4460 lbs [2023 kg].

Is the Nuffield 3/45 4WD?

The Nuffield 3/45 is available in 2WD.

More Nuffield models

10/4243 HP · 1964 - 1966 3/4242 HP · 1961 - 1963 DM-450 HP · 1950 - 1961 PM-440 HP · 1950 - 1957 M338 HP · 1948 - 1961 M438 HP · 1948 - 1961 Universal 334 HP · 1957 - 1961 4/6060 HP · 1961 - 1963

View all 13 Nuffield models →

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