Fiat

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.
Power85 hp
Founded1969 - 1975
Model850

Technical Specifications

Detailed specifications and technical data for Fiat 850

Power
Engine power85 hp (63.4 kW)
Engine
Typediesel
ModelFiat CO3/80
Power85 hp (63.4 kW)
Coolingliquid-cooled
Cylinders4-cylinder
Fuel tank22.7 gal (85.9 L)
Rated RPM2100
Bore/Stroke4.33x5.12 inches (110 x 130 mm)
Fuel systemdirect injection
Displacement301.4 ci (4.9 L)
Starter volts12
Compression ratio17:1
Height
2WD Hood height61 inches (154 cm)
4WD Hood height63.8 inches (162 cm)
2WD Steering wheel height68.9 inches (175 cm)
4WD Steering wheel height70.6 inches (179 cm)
Electrical
Groundnegative
Battery volts12
Charging systemalternator
Hydraulics
Typeopen center
Pump flow8.9 gpm (33.7 lpm)
Mechanical
DriveTwo- or four-wheel drive
BrakesWet disc brakes
Steeringmanual, power (optional)
Final drivesplanetary
Operator stationOpen operator station
Differential lockmechanical rear
Production
TypeUtility tractor
ManufacturerFiat
Years produced1969 - 1975
References
850 published1971, by Fiat
850 DT published1971, by Fiat
Transmission
Typepartially synchronized
Gears12 forward and 4 reverse
Clutchcerametallic disc
Creeper16-speed creeper with 16 forward and 4 reverse
AdditionalFour synchronized gears in three ranges, plus reverse range.
Tractor hitch
Controlposition and draft control
Rear TypeII
Rear lift capacity6500 lbs (2948 kg)
Dimensions & Tires
2WD Length142.5 inches (361 cm)
2WD Weight6835 lbs (3100 kg)
4WD Length147.6 inches (374 cm)
4WD Weight8068 lbs (3659 kg)
Rear tread58.5 to 82.6 inches (148 to 209 cm)
2WD Wheelbase93 inches (236 cm)
4WD Wheelbase94.4 inches (239 cm)
2WD Front tread54.6 to 78 inches (138 to 198 cm)
4WD Front tread66.3/70.2 inches (168/178 cm)
2WD Ground clearance20.3 inches (51 cm)
4WD Ground clearance15.5 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 PTOindependent
Engine RPM540@1938, 1000@2038
Rear PTO Type540/1000 (1.375)