Specifications, Service, and Repair of Farm and Lawn Tractors

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Ford 850 Technical Specifications

Ford 850 Engine Specs

Engine Model ......................... Ford EAF
Engine Type ......................... Vertical overhead valve, 4-cylinder gasoline or LPG
Number of Cylinders ......................... 4 Inline
Displacement, cu in (L) ......................... 172 (2.8)
Engine Bore, in (mm) ......................... 3.90 (99.0)
Engine Stroke, in (mm) ......................... 3.60 (91.0)
Rated Engine Power (Gasoline), hp (kW) ......................... 44.0 (32.5)
Rated Engine Power (LPG), hp (kW) ......................... 39.8 (29.6)
Rated Engine Speed, rpm ......................... 2000 (Gasoline) / 2200 (LPG)
Maximum Torque, Nm (ft-lbs) ......................... 225 (166)
Torque Speed, rpm ......................... 1600
Compression (Gasoline) ......................... 7.5:1
Compression (LPG) ......................... 8.65:1
Firing Order ......................... 1-2-4-3
Spark Plug Gap, in (mm) ......................... 0.027 (0.686)
Point Gap, in (mm) ......................... 0.025 (0.635)
Valve Clearance, in (mm) ......................... 0.015 (0.381)
Air Cleaner ......................... Oil bath
Fuel Tank Capacity, gal (L) ......................... 17.0 (64.3)
Oil Capacity, qts (L) ......................... 5.0 (4.7)
Coolant Capacity, qts (L) ......................... 15.0 (14.2)
Electrical System Rating, Volts ......................... 6
Charging System ......................... Generator
Battery Rating, A/h ......................... 80

Power Take-Off

PTO Operational Type ......................... Transmission
PTO Horsepower (LPG), hp (kW) ......................... 32.8 (24.3)
PTO Horsepower (Gasoline), hp (kW) ......................... 36.0 (26.7)
PTO Speed, rpm ......................... 540

Ford 850 Transmission

Transmission Type (Std) ......................... 5F/1R, Unsynchronized gear
Number of Forward Gears ......................... 5
Number of Reverse Gears ......................... 1
Clutch ......................... Dry disc
Maximum Forward Speed, mph (kph) ......................... 11.8 (18.9)
Maximum Reverse Speed, mph (kph) ......................... 3.8 (6.1)
Oil Capacity, qts (L) ......................... 8.0 (7.6)
Service Brake ......................... Differential mechanical expanding shoe

Ford 850 Wheels and Tires

Drive Wheels ......................... 2WD 4x2
Steering Configuration ......................... Front Steer
Steering System ......................... Manual (Std) / Power assist (Opt)
Front Tire Size ......................... 6.00-16
Rear Tire Size ......................... 12.00-28
Front Tread, in (mm) ......................... 52-76 (1320-1930)
Rear Tread, in (mm) ......................... 52-76 (1320-1930)

Ford 850 Hydraulics and Hitch

Hydraulic System Type ......................... Open center
Implement Pump Flow, gpm (Lpm) ......................... 6.5 (24.6)
Hydraulic Pressure, Bar (psi) ......................... 147 (1990)
Hydraulic System Capacity, gal (L) ......................... 2.0 (7.6)
3-Point Hitch Category ......................... 1
Standard Lift Capacity at lift pin, lb (kg) ......................... 1250 (570)

Ford 850 Dimensions and Weight

Wheelbase, in (mm) ......................... 75.0 (1900)
Length, in (mm) ......................... 121.8 (3090)
Height, in (mm) ......................... 59.3 (1500)
Overall Width, in (mm) ......................... 64.8 (1640)
Ground Clearance, in (mm) ......................... 21 (530)
Weight (Operating), lb (kg) ......................... 3400 (1540)
Weight (Ballasted), lb (kg) ......................... 6700 (3040)

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FORD TRACTORS SPECIFICATIONS

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FORD FRONT END LOADERS SPECIFICATIONS

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FORD TRACTORS TROUBLESHOOTING
1710 1900 2120 2600 3600
3930 4100 4630 5600 5640
6410 6610 6640 6710 6810
7610 7740 7810 8210 8240
8630 8830 8770 TW30 TW35