Fiat 450

The Fiat 450 is a versatile tractor model known for its reliability and performance in agricultural settings. With various configurations and options available, it has been a trusted workhorse for farmers and landowners alike. Its straightforward design and robust build make it well-suited for a wide range of tasks in the field.

Production Years1968 – 1981
Engine Detail
Engine ModelFiat 8035
Fuel TypeDiesel
Number of Cylinders3
Displacement142.8 cubic inches (2.3 liters)
Bore/Stroke3.74×4.33 inches (95×110 mm)
Power45 horsepower (33.6 kW) at 2400 RPM
Compression Ratio17:1
Torque115 lb-ft (155.9 Nm) at 1400 RPM
Starter12 volts, 4 horsepower (3.0 kW)
Transmissions Overview
Type8-speed gear transmission with four gears (1-4) plus reverse (R) in two ranges (low/high).
Type9-speed partially synchronized transmission with synchronized gears (2/3, 5/6, and 8/9).
TypeOptional 12-speed creeper transmission for the 8-speed transmission, adding an additional lower range.
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
Wheelbase77 inches (195 cm)
Length123.6 inches (313 cm)
Weight3880 lbs (2WD), 4840 lbs (4WD)
Clearance (Front Axle)18.25 inches (2WD), 11.25 inches (4WD)
Front Tread (Width)Varies based on configuration
Rear Tread (Width)52/56/60/64/68/72/76 inches (132/142/152/162/172/182/193 cm)
Steering Wheel57.625 inches (146 cm)
Hood54.125 inches (137 cm)
Cab (if equipped)86.25 inches (219 cm)
Engine Power45 horsepower (33.6 kW)
PTO (claimed)36 horsepower (26.8 kW)
Mechanical Features
PoweredAvailable in both two- and four-wheel drive configurations.
DifferentialMechanical rear differential lock for improved traction.
SteeringSteering options include manual and power steering.
BrakesEquipped with mechanical band brakes.
CabOpen operator station, with an optional cab for added comfort.
TypeOpen center
Hydraulic Pressure2135 psi (147.2 bar)
Hydraulic Pump Flow5.76 gpm (21.8 lpm)
Tractor Hitch
Rear TypeII/I
ControlPosition and draft control
Rear Lift Capacity (at ends)3086 lbs (1399 kg)
Power Take-off (PTO)
Rear PTOLive
Rear PTO RPM540 (1.375 engine RPM)
Engine RPM at PTO540 at 1970

Advantages of the Fiat 450 Tractor:

Versatility: The Fiat 450 tractor comes in various configurations, including 2WD and 4WD, offering versatility to suit different farming needs and terrain conditions.

Reliable Engine: Equipped with a robust Fiat 8035 diesel engine, this tractor delivers 45 horsepower, providing ample power for various agricultural tasks.

Multiple Transmission Options: The tractor offers different transmission types, including an 8-speed gear, 9-speed partially synchronized, and 12-speed creeper, allowing users to select the most suitable option for their specific requirements.

Mechanical Differential Lock: The mechanical rear differential lock enhances traction, making it suitable for challenging terrains and tasks.

Hydraulic System: The open-center hydraulic system with a 5.76 gpm pump flow ensures efficient operation of hydraulic implements.

PTO Options: The live rear PTO with 540 RPM provides power for various attachments, increasing the tractor’s functionality.

Durable Build: The Fiat 450 is known for its robust construction, contributing to its longevity and reliability in demanding agricultural environments.

Disadvantages of the Fiat 450 Tractor:

Manual Steering: The tractor typically features manual steering, which may require more effort compared to power steering systems, especially during prolonged use.

Limited Cabin Comfort: The open operator station may lack the comfort and amenities found in modern tractor cabs, making it less suitable for long hours of operation.

Mechanical Band Brakes: The tractor uses mechanical band brakes, which may not offer the same level of braking performance and precision as hydraulic or disc brakes.

Limited Modern Features: As a tractor model produced in the late 20th century, the Fiat 450 may lack some of the modern technology and convenience features found in newer tractor models.

Noise and Vibration: Like many older tractors, the Fiat 450 may generate more noise and vibration during operation compared to modern counterparts.

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