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 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) |
