Nuffield 4/65
The Nuffield 4/65 is a tractor produced by Nuffield. It is equipped with a 231 ci 3.8 L engine. The rated power output is 65 hp 48.5 kW. Transmission: 10 forward and 2 reverse. Operating weight: 5140 lbs 2331 kg.
Engine Power
65 hp
48.5 kW
Fuel & Capacities
19.2 gal
72.7 L
Transmission
10 forward and 2 reverse
Operating Weight
5140 lbs
2331 kg
Nuffield 4/65 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 4/65 Engine | |
|---|---|
BMC 3.8L 4-cyl diesel | |
Fuel tank | 19.2 gal
72.7 L |
Engine details ...  | |
Nuffield 4/65 Transmission | |
|---|---|
10-speed gear | |
Transmission details ...  |
Nuffield 4/65 Power | |
|---|---|
Engine | 65 hp
48.5 kW |
PTO (claimed) | 54 hp
40.3 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 | 79.9 inches
202 cm |
Weight | 5140 lbs
2331 kg |
Front tire | 6.00-16 |
Rear tire | 11.00-36 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
BMC Nuffield 3/45 & 4/65 published in 1968 |
Engine
Engine Detail — 231 ci / 3.8 L Diesel
Manufacturer | BMC |
Fuel Type | Diesel |
Configuration | 4-cylinder 8-valve, liquid-cooled OHV |
Displacement | 231 ci
3.8 L |
Bore/Stroke | 3.937x4.724 inches
100 x 120 mm |
Power | 65 hp
48.5 kW |
Compression | 16.5:1 |
Rated RPM | 2500 |
Idle RPM | 630-2160 |
Torque | 170 lb-ft
230.5 Nm |
Torque RPM | 1200 |
Firing order | 1-3-4-2 |
Starter volts | 12 |
Oil capacity | 9.5 qts
9.0 L |
Coolant capacity | 14.4 qts
13.6 L |
Transmission
Transmission — 10 forward and 2 reverse gear
Type | gear |
Gears | 10 forward and 2 reverse |
Clutch | 280mm dry disc |
Oil capacity | 59.7 qts
56.5 L |
Five gears, plus reverse, in two ranges. | |
With 11-36 rear tires. | |
 | |
Dimensions
Nuffield 4/65 Tires | |
|---|---|
Ag front | 6.00-16 |
Ag rear | 11.00-36 |
Ag front | 7.50-16 |
Ag rear | 12.00-38 |
14.00-30 | |
15.00-30 | |
Dimensions | |
|---|---|
Wheelbase | 79.9 inches
202 cm |
Length | 126.4 inches
321 cm |
Width | 67.7 inches
171 cm |
Height (hood) | 60.6 inches
153 cm |
Height (exhaust) | 86.6 inches
219 cm |
Operating weight | 5140 lbs
2331 kg |
Ground clearance | 23.1 inches
58 cm |
Clearance (front axle) | 17.2 inches
43 cm |
Clearance (drawbar) | 15.3 inches
38 cm |
Front tread | 52 to 76 inches
132 to 193 cm |
Rear tread | 52 to 80 inches
132 to 203 cm |
Rear tread | 54 to 88 inches
137 to 223 cm |
Photos
Nuffield 4-65, right side.
Nuffield 4-65, left side.
Related models
Nuffield 10/60
- Power:
- 61.1
- Production years:
- 1964 - 1967
Nuffield 4/60
- Power:
- 60
- Production years:
- 1961 - 1963
Nuffield 3/45
- Power:
- 45
- Production years:
- 1967 - 1969
Nuffield 4/25
- Power:
- 25
- Production years:
- 1967 - 1969
Nuffield Mini 9/16
- Power:
- 16
- Production years:
- 1965 - 1968