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Nuffield 3/45

Nuffield 3/45 tractor
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The Nuffield 3/45 is a farm tractor produced by Nuffield from 1967 to 1969 in Bathgate, Scotland. It features a BMC 2.8L 3-cylinder diesel engine producing 45 hp (33.6 kW) with a 10-speed gear transmission. The tractor has two-wheel drive with spur gear final drives and offers manual or optional power steering. It includes a rear PTO with 540 rpm at 1800 engine RPM and an open operator station. Dimensions include a 74.8 inch wheelbase, 116.9 inch length, and an operating weight of 4460 lbs. Tires vary with agricultural front and rear options. The 3/45 is related to the Nuffield 4/65 and 10/42 models.
Nuffield 3/45tractorfarm tractorspecificationsenginetransmissiondimensionspowerNuffield tractors
Power45 hp
Founded1967 - 1969
Model3/45

Technical Specifications

Detailed specifications and technical data for Nuffield 3/45

Power

Engine:45 hp (33.6 kW)
PTO (claimed):39 hp (29.1 kW)

Engine

Type:diesel, 3-cylinder, liquid-cooled
Model:BMC 2.8L 3-cyl diesel
Power:45 hp (33.6 kW)
Fuel tank:19.2 gal (72.7 L)
Rated RPM:2200
Bore/Stroke:3.975x4.724 inches (101 x 120 mm)
Displacement:173 ci (2.8 L)
Firing order:1-3-2
Oil capacity:9 qts (8.5 L)
Starter volts:12
Coolant capacity:10.8 qts (10.2 L)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical disc brakes
Steering:manual, power (Optional)
Final drives:spur gear
Operator station:Open operator station

Production

Built in:Bathgate, Scotland
Years made:1967 - 1969
Manufacturer:Nuffield

Belt Pulley

Speed:3011 ft/min (low ratio), 3821 ft/min (high ratio)
Width:6.5 inches (16 cm)
Diameter:9 inches (22 cm)

Transmission

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

Tractor hitch

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

Dimensions & Tires

Width:67.7 inches (171 cm)
Length:116.9 inches (296 cm)
Rear tire:11.00-28, 11.00-32, 13.00-28
Wheelbase:74.8 inches (189 cm)
Front tire:5.50-16, 6.00-16, 7.50-16
Rear tread:52 to 80 inches (132 to 203 cm)
Front tread:52 to 76 inches (132 to 193 cm)
Height (hood):56.7 inches (144 cm)
Ground clearance:19.1 inches (48 cm)
Height (exhaust):82.7 inches (210 cm)
Operating weight:4460 lbs (2023 kg)
Clearance (drawbar):13.4 inches (34 cm)
Clearance (front axle):16.1 inches (40 cm)

Power Take-off (PTO)

Rear PTO:transmission
Engine RPM:540@1800
Independent:optional
Rear PTO Type:540 (1.375)

Related Models

Nuffield 4/65

Model:4/65

Nuffield 10/42

Model:10/42