Fiat

Fiat 450

The Fiat 450 is a farm tractor produced by Fiat from 1968 to 1981. It features a 2.3L 3-cylinder liquid-cooled diesel engine producing 45 hp (33.6 kW) with a claimed PTO power of 36 hp (26.8 kW). The tractor offers multiple transmission options including 8-speed gear, 9-speed partially synchronized, and 12-speed creeper transmissions. It is available in two- or four-wheel drive configurations with mechanical rear differential lock and optional power steering. The tractor has an open operator station with an optional cab. Hydraulics are open center type with 2135 psi pressure and 5.76 gpm pump flow. The rear hitch is category II/I with position and draft control and a rear lift capacity of 3086 lbs (1399 kg). The rear PTO is live with a 540 rpm type. Dimensions include a 77 inch (195 cm) wheelbase, length of 123.6 inches (313 cm), and weights ranging from 3880 lbs (1759 kg) for 2WD to 4840 lbs (2195 kg) for 4WD. Standard tires vary by drive type. Electrical system is 12 volts with negative ground and alternator charging.
Power45 hp
Founded1968 - 1981
Model450

Technical Specifications

Detailed specifications and technical data for Fiat 450

Power
Engine power45 hp (33.6 kW)
PTO (claimed)36 hp (26.8 kW)
Tires
2WD Standard tires (ag)Front: 6.00-16. Rear: 12.4/11-28
4WD Standard tires (ag)Front: 7.50-20. Rear: 12.4/11-28
Engine
Typediesel
ModelFiat 8035
Power45 hp (33.6 kW)
Torque115 lb-ft (155.9 Nm)
Coolingliquid-cooled
Cylinders3-cylinder
Fuel tank14.3 gal (54.1 L)
Rated RPM2400
Torque RPM1400
Bore/Stroke3.74x4.33 inches (95 x 110 mm)
Compression17:1
Displacement142.8 ci (2.3 L)
Starter power4 hp (3.0 kW)
Starter volts12
Dimensions
Length123.6 inches (313 cm)
Wheelbase77 inches (195 cm)
2WD Weight3880 lbs (1759 kg)
4WD Weight4840 lbs (2195 kg)
Rear tread52/56/60/64/68/72/76 inches (132/142/152/162/172/182/193 cm)
2WD Front tread50/54/58/62/66/70/74 inches (127/137/147/157/167/177/187 cm)
4WD Front tread56.25 inches (142 cm)
2WD Clearance (front axle)18.25 inches (46 cm)
4WD Clearance (front axle)11.25 inches (28 cm)
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Hydraulics
Typeopen center
Pressure2135 psi (147.2 bar)
Pump flow5.76 gpm (21.8 lpm)
Mechanical
DriveTwo- or four-wheel drive
BrakesMechanical band brakes
Steeringmanual, power (Optional)
Operator stationOpen operator station. Cab optional.
Differential lockmechanical rear
Production
Variants450DT 4WD
ManufacturerFiat
Years produced1968 - 1981
Transmission
Type (8-speed)gear
Type (9-speed)partically synchronized
Gears (8-speed)8 forward and 2 reverse
Gears (9-speed)9 forward and 3 reverse
Type (12-speed)creeper
Clutch (9-speed)254mm dry disc
Gears (12-speed)12 forward and 3 reverse
Details (8-speed)Four gears (1-4), plus reverse (R), in two ranges (low/high).
Details (12-speed)Optional creeper for the 8-speed transmission add an additional lower range.
Transmission options8-speed gear, 9-speed partically synchronized, 12-speed creeper
Synchronization (9-speed)Gear parts 2/3, 5/6, and 8/9 are synchronized.
Tractor hitch
Controlposition and draft control
Rear TypeII/I
Rear lift (at ends)3086 lbs (1399 kg)
Dimensions - Height
Cab86.25 inches (219 cm)
Hood54.125 inches (137 cm)
Steering wheel57.625 inches (146 cm)
Power Take-off (PTO)
Rear PTOlive
Engine RPM540@1970
Rear PTO Type540 (1.375)