Fiat
Fiat 446
The Fiat 446 is a utility tractor produced from 1983 to 1984 by Fiat. It features a 2.6L 3-cylinder diesel engine producing 50 hp (37.3 kW). The tractor offers two transmission options: an 8-speed and a 12-speed gear transmission. It is available in two- or four-wheel drive configurations with planetary final drives and mechanical rear differential lock. Steering is manual with optional power assist. The tractor includes drum brakes and a four-post ROPS for safety. Hydraulics use an open center system, and the rear hitch supports II/I type with position and draft control. The rear PTO is independent, running at 540 RPM at 2160 engine RPM. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 80 inches and weights ranging from 4299 to 6393 lbs depending on configuration. Electrical system includes a 12-volt battery and 33 amp alternator.
Power50 hp
Founded1983 - 1984
Model446
Technical Specifications
Detailed specifications and technical data for Fiat 446
Power
| Engine power | 50 hp (37.3 kW) |
|---|
Engine
| Type | diesel |
|---|---|
| Model | Fiat 8035.02 |
| Power | 50 hp (37.3 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Fuel tank | 16.1 gal (60.9 L) |
| Rated RPM | 2600 |
| Bore/Stroke | 3.94x4.33 inches (100 x 110 mm) |
| Fuel system | direct injection |
| Displacement | 158.2 ci (2.6 L) |
| Firing order | 1-2-3 |
| Oil capacity | 7.9 qts (7.5 L) |
| Starter volts | 12 |
| Coolant capacity | 11.1 qts (10.5 L) |
| Compression ratio | 17:1 |
Height
| ROPS | 93.3 inches (236 cm) |
|---|---|
| Exhaust | 92.7 inches (235 cm) |
| 2WD Hood | 56.1 inches (142 cm) |
| 4WD Hood | 55.1 inches (139 cm) |
Weight
| 2WD | 4299 lbs (1950 kg) |
|---|---|
| 4WD | 4762 lbs (2160 kg) |
| 2WD Ballasted | 5930 lbs (2689 kg) |
| 4WD Ballasted | 6393 lbs (2899 kg) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 33 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|
Mechanical
| ROPS | Four-post ROPS |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Drum brakes |
| Steering | manual, power (Optional) |
| Final drives | planetary |
| Differential lock | mechanical rear |
Production
| Type | Utility tractor |
|---|---|
| Variants | 446DT 4WD |
| Manufacturer | Fiat |
| Years produced | 1983 - 1984 |
Transmission
| Type | gear |
|---|---|
| Clutch | 279.4mm dry disc |
| Options | 8-speed gear, 12-speed gear |
| Gears (8-speed) | 8 forward and 2 reverse |
| Gears (12-speed) | 12 forward and 3 reverse |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II/I |
Dimensions & Tires
| 2WD Length | 126 inches (320 cm) |
|---|---|
| 4WD Length | 128.9 inches (327 cm) |
| Rear tread | 51.2 to 74.8 inches (130 to 189 cm) |
| 2WD Wheelbase | 80.7 inches (204 cm) |
| 4WD Wheelbase | 79.2 inches (201 cm) |
| 2WD Front tread | 55.1 to 74.8 inches (139 to 189 cm) |
| 4WD Front tread | 56.9 to 73.8 inches (144 to 187 cm) |
| Alternate tires | Front: 8.3/8-24. Rear: 12.4/11-32 |
| 2WD Standard tires (ag) | Front: 6.00-16. Rear: 12.4/11-32 |
| 2WD Clearance (front axle) | 19.5 inches (49 cm) |
| 4WD Clearance (front axle) | 12.6 inches (32 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2160 |
| Rear PTO Type | 540 (1.375) |