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Fiat 446

Fiat 446 tractor
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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.
Fiat 446Fiat 446 tractorutility tractor50 hp tractor2.6L diesel tractorfarm tractor specifications
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)