Nuffield 3/45 tractor specifications

1967 - 1969

Production

Production Manufacturer:Nuffield
Factory:Bathgate, Scotland

Nuffield 3/45 Power

Nuffield 3/45 Power Engine:45 hp
33.6 kW
PTO (claimed):39 hp
29.1 kW

Nuffield 3/45 Engine

Nuffield 3/45 Engine BMC 2.8L 3-cyl diesel Fuel tank:19.2 gal
72.7 L
Engine details ...

1967 - 1969

Engine Detail

Engine Detail
BMC
diesel
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

Mechanical

Mechanical Chassis:4x2 2WD
Final drives:spur gear
Steering:manual
Steering:power*Optional
Brakes:mechanical disc
Cab:Open operator station.
Transmission:10-speed gear
Transmission details ...

1967 - 1969

Transmission

Transmission
Type:	gear
Gears:	10 forward and 2 reverse
Clutch:	280mm dry disc
Five gears, plus reverse, in two ranges.

Speeds

Speeds
With 11-28 rear tires.

Tractor hitch

Tractor hitch Rear Type:II/I
Control:directional control and top-link draft sensing

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission
independent*Optional
Rear RPM:540 (1.375)
Engine RPM:540@1800

Dimensions & Tires

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 ...

1967 - 1969

Nuffield 3/45 Tires

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

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

Belt Pulley

Belt Pulley Diameter:9 inches
22 cm
Width:6.5 inches
16 cm
Speed:3011 ft/min
917.75 meters/min (low ratio)
3821 ft/min
1164.64 meters/min (high ratio)