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Fiat 850

The Fiat 850 is a utility tractor produced from 1969 to 1975 by Fiat. It features a 4.9L 4-cylinder diesel engine producing 85 hp, with a 12-speed partially synchronized transmission and optional 16-speed creeper. The tractor offers two- or four-wheel drive options, mechanical rear differential lock, and power steering as an option. It has an open operator station and wet disc brakes. The hydraulic system is open center with a pump flow of 8.9 gpm. The rear hitch is category II with position and draft control and a lift capacity of 6500 lbs. The PTO is independent with 540/1000 RPM options. Dimensions vary between 2WD and 4WD models, with weights ranging from 6835 to 8068 lbs. Tires and tread sizes vary by configuration. Electrical system is 12 volts with alternator charging and negative ground.
Fiat 850Fiat 850 tractorutility tractor85 hp tractor4.9L diesel tractorFiat tractorsfarm tractors
Power85 hp
Founded1969 - 1975
Model850

Technical Specifications

Detailed specifications and technical data for Fiat 850

Power

Engine power:85 hp (63.4 kW)

Engine

Type:diesel
Model:Fiat CO3/80
Power:85 hp (63.4 kW)
Cooling:liquid-cooled
Cylinders:4-cylinder
Fuel tank:22.7 gal (85.9 L)
Rated RPM:2100
Bore/Stroke:4.33x5.12 inches (110 x 130 mm)
Fuel system:direct injection
Displacement:301.4 ci (4.9 L)
Starter volts:12
Compression ratio:17:1

Height

2WD Hood height:61 inches (154 cm)
4WD Hood height:63.8 inches (162 cm)
2WD Steering wheel height:68.9 inches (175 cm)
4WD Steering wheel height:70.6 inches (179 cm)

Electrical

Ground:negative
Battery volts:12
Charging system:alternator

Hydraulics

Type:open center
Pump flow:8.9 gpm (33.7 lpm)

Mechanical

Drive:Two- or four-wheel drive
Brakes:Wet disc brakes
Steering:manual, power (optional)
Final drives:planetary
Operator station:Open operator station
Differential lock:mechanical rear

Production

Type:Utility tractor
Manufacturer:Fiat
Years produced:1969 - 1975

References

850 published:1971, by Fiat
850 DT published:1971, by Fiat

Transmission

Type:partially synchronized
Gears:12 forward and 4 reverse
Clutch:cerametallic disc
Creeper:16-speed creeper with 16 forward and 4 reverse
Additional:Four synchronized gears in three ranges, plus reverse range.

Tractor hitch

Control:position and draft control
Rear Type:II
Rear lift capacity:6500 lbs (2948 kg)

Dimensions & Tires

2WD Length:142.5 inches (361 cm)
2WD Weight:6835 lbs (3100 kg)
4WD Length:147.6 inches (374 cm)
4WD Weight:8068 lbs (3659 kg)
Rear tread:58.5 to 82.6 inches (148 to 209 cm)
2WD Wheelbase:93 inches (236 cm)
4WD Wheelbase:94.4 inches (239 cm)
2WD Front tread:54.6 to 78 inches (138 to 198 cm)
4WD Front tread:66.3/70.2 inches (168/178 cm)
2WD Ground clearance:20.3 inches (51 cm)
4WD Ground clearance:15.5 inches (39 cm)
2WD Optional tires (ag):Front: 6.50-20. Rear: 16.9/14-34
2WD Standard tires (ag):Front: 7.50-2. Rear: 13.6/12-38
4WD Standard tires (ag):Front: 12.4/11-24. Rear: 16.9/14-34

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@1938, 1000@2038
Rear PTO Type:540/1000 (1.375)