Nuffield 3/45
The Nuffield 3/45 is a tractor produced by Nuffield. It is equipped with a 173 ci 2.8 L engine. The rated power output is 45 hp 33.6 kW. Transmission: 10 forward and 2 reverse. Operating weight: 4460 lbs 2023 kg.
Engine Power
45 hp
33.6 kW
Fuel & Capacities
19.2 gal
72.7 L
Transmission
10 forward and 2 reverse
Operating Weight
4460 lbs
2023 kg
Nuffield 3/45 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1967 - 1969 | 1967 - 1969 |
|---|
Production | |
|---|---|
Manufacturer | Nuffield |
Built in Bathgate, Scotland | |
Nuffield 3/45 Engine | |
|---|---|
BMC 2.8L 3-cyl diesel | |
Fuel tank | 19.2 gal
72.7 L |
Engine details ...  | |
Nuffield 3/45 Transmission | |
|---|---|
10-speed gear | |
Transmission details ...  |
Nuffield 3/45 Power | |
|---|---|
Engine | 45 hp
33.6 kW |
PTO (claimed) | 39 hp
29.1 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Steering | manual |
Steering | power OptOptional |
Mechanical disc brakes | |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Control | directional control and top-link draft sensing |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
independent OptOptional | |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1800 |
Dimensions & Tires | |
|---|---|
Wheelbase | 74.8 inches
189 cm |
Weight | 4460 lbs
2023 kg |
Front tire | 5.50-16 |
Rear tire | 11.00-28 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 9 inches
22 cm |
Width | 6.5 inches
16 cm |
Speed | 3011 ft/min (low ratio)
917.75 meters/min |
3821 ft/min (high ratio)
1164.64 meters/min | |
References | |
|---|---|
 | |
BMC Nuffield 3/45 & 4/65 published in 1968 |
Engine
Engine Detail — 173 ci / 2.8 L Diesel
Manufacturer | BMC |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 173 ci
2.8 L |
Bore/Stroke | 3.975x4.724 inches
101 x 120 mm |
Power | 45 hp
33.6 kW |
Rated RPM | 2200 |
Firing order | 1-3-2 |
Starter volts | 12 |
Oil capacity | 9 qts
8.5 L |
Coolant capacity | 10.8 qts
10.2 L |
Transmission
Transmission — 10 forward and 2 reverse gear
Type | gear |
Gears | 10 forward and 2 reverse |
Clutch | 280mm dry disc |
Five gears, plus reverse, in two ranges. | |
With 11-28 rear tires. | |
 | |
Dimensions
Nuffield 3/45 Tires | |
|---|---|
Ag front | 5.50-16 |
Ag rear | 11.00-28 |
Ag front | 6.00-16 |
7.50-16 | |
Ag rear | 11.00-32 |
13.00-28 | |
Dimensions | |
|---|---|
Wheelbase | 74.8 inches
189 cm |
Length | 116.9 inches
296 cm |
Width | 67.7 inches
171 cm |
Height (hood) | 56.7 inches
144 cm |
Height (exhaust) | 82.7 inches
210 cm |
Operating weight | 4460 lbs
2023 kg |
Ground clearance | 19.1 inches
48 cm |
Clearance (front axle) | 16.1 inches
40 cm |
Clearance (drawbar) | 13.4 inches
34 cm |
Front tread | 52 to 76 inches
132 to 193 cm |
Rear tread | 52 to 80 inches
132 to 203 cm |
Photos
Nuffield 3/45 tractor.
Nuffield 3/45 tractor.
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