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 power | 45 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
| Type | diesel |
|---|---|
| Model | Fiat 8035 |
| Power | 45 hp (33.6 kW) |
| Torque | 115 lb-ft (155.9 Nm) |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Fuel tank | 14.3 gal (54.1 L) |
| Rated RPM | 2400 |
| Torque RPM | 1400 |
| Bore/Stroke | 3.74x4.33 inches (95 x 110 mm) |
| Compression | 17:1 |
| Displacement | 142.8 ci (2.3 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
Dimensions
| Length | 123.6 inches (313 cm) |
|---|---|
| Wheelbase | 77 inches (195 cm) |
| 2WD Weight | 3880 lbs (1759 kg) |
| 4WD Weight | 4840 lbs (2195 kg) |
| Rear tread | 52/56/60/64/68/72/76 inches (132/142/152/162/172/182/193 cm) |
| 2WD Front tread | 50/54/58/62/66/70/74 inches (127/137/147/157/167/177/187 cm) |
| 4WD Front tread | 56.25 inches (142 cm) |
| 2WD Clearance (front axle) | 18.25 inches (46 cm) |
| 4WD Clearance (front axle) | 11.25 inches (28 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2135 psi (147.2 bar) |
| Pump flow | 5.76 gpm (21.8 lpm) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Mechanical band brakes |
| Steering | manual, power (Optional) |
| Operator station | Open operator station. Cab optional. |
| Differential lock | mechanical rear |
Production
| Variants | 450DT 4WD |
|---|---|
| Manufacturer | Fiat |
| Years produced | 1968 - 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 options | 8-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
| Control | position and draft control |
|---|---|
| Rear Type | II/I |
| Rear lift (at ends) | 3086 lbs (1399 kg) |
Dimensions - Height
| Cab | 86.25 inches (219 cm) |
|---|---|
| Hood | 54.125 inches (137 cm) |
| Steering wheel | 57.625 inches (146 cm) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@1970 |
| Rear PTO Type | 540 (1.375) |
