Overview
The Fiat 446 is a utility farm tractor produced between 1983 and 1984, available in both two-wheel and four-wheel drive (446DT) configurations. It is powered by a 2.6L three-cylinder diesel engine rated at 50 hp and includes a Category II/I rear hitch with position and draft control.
Ideal Applications
Engine and PTO Output:
The 2.6L Fiat 8035.02 diesel engine is rated at 50 hp at 2600 RPM and operates an independent 540 RPM rear PTO at an engine speed of 2160 RPM.
Transmission and Drivetrain Layout:
This model is equipped with a mechanical rear differential lock and offers two gear transmission options, providing either 8 forward and 2 reverse gears or 12 forward and 3 reverse gears.
Dimensions and Chassis Configuration:
The tractor features a 12.6-inch to 19.5-inch front axle clearance depending on the drive type and includes an open center hydraulic system with a manual or optional power steering setup.
Production
| Description | Utility tractor |
|---|---|
| Manufacturer | Fiat |
Engine
| Engine type | Fiat 2.6L 3-cyl diesel |
|---|---|
| Fuel tank | 16.1 gal (60.9 L) |
| Bore/Stroke | 3.94x4.33 inches (100 x 110 mm) |
| Compression | 17:1 |
| Coolant capacity | 11.1 qts (10.5 L) |
| Description | Fiat 8035.02 / diesel / 3-cylinder / liquid-cooled |
| Displacement | 158.2 ci (2.6 L) |
| Firing order | 1-2-3 |
| Fuel system | direct injection |
| Oil capacity | 7.9 qts (7.5 L) |
| Power | 50 hp (37.3 kW) |
| Rated RPM | 2600 |
| Starter | electric |
| Starter volts | 12 |
Transmission
| Clutch | 279.4mm dry disc / 279.4mm dry disc |
|---|---|
| Gears | 8 forward and 2 reverse / 12 forward and 3 reverse |
| Type | gear / gear |
| Transmission type | 8-speed gear / 12-speed gear |
| Transmission type | 8-speed gear / 12-speed gear |
Mechanical
| Description | Drum brakes / Four-post ROPS. |
|---|---|
| Differential lock | mechanical rear |
| Drive type | Two- or four-wheel drive |
| Final drives | planetary |
| Steering | manual / power OptOptional |
Hydraulics
| Type | open center |
|---|
Hitch
| Control | position and draft control |
|---|---|
| Rear Type | II/I |
PTO
| Engine RPM | 540@2160 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 33 |
| Charging system | alternator |
Dimensions & Tires
| 2WD Clearance (front axle) | 19.5 inches (49 cm) |
|---|---|
| 2WD Front tread | 55.1 to 74.8 inches (139 to 189 cm) |
| 2WD Length | 126 inches (320 cm) |
| 2WD Wheelbase | 80.7 inches (204 cm) |
| 4WD Clearance (front axle) | 12.6 inches (32 cm) |
| 4WD Front tread | 56.9 to 73.8 inches (144 to 187 cm) |
| 4WD Length | 128.9 inches (327 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| Rear tread | 51.2 to 74.8 inches (130 to 189 cm) |
| 2WD Rear tire | 12.4/11-32 |
| 2WD Wheelbase | 80.7 inches (204 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| Front tire | 6.00-16 |
| Weight | 4299 to 4762 pounds |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 12.4/11-32 |
Fiat 446 Height
| 2WD Hood | 56.1 inches (142 cm) |
|---|---|
| 4WD Hood | 55.1 inches (139 cm) |
| Exhaust | 92.7 inches (235 cm) |
| ROPS | 93.3 inches (236 cm) |
Fiat 446 Weight
| 2WD | 4299 lbs (1950 kg) |
|---|---|
| 2WD Ballasted | 5930 lbs (2689 kg) |
| 4WD | 4762 lbs (2160 kg) |
| 4WD Ballasted | 6393 lbs (2899 kg) |
References
| Description | Workshop Manual 446 - 446 DT published in 1985 |
|---|
Speeds
| Description | With 12.4/11-32 rear tires. / With 12.4/11-32 rear tires. |
|---|
Variants
| 446DT | 4WD |
|---|