John Deere 850 Technical specs


Make John Deere
Model 850
Company country United states
Production years From 1978  Until 1989
Tractor type Compact Utility tractor
Fuel diesel
Price -
Total build -
Service repair manual John Deere 850 Manual
AG front tires 5.00-15
AG rear tires 9.5-24
Lawn front tires 23/8.5-12
Lawn rear tires 13.6-16
Weight 2400 lbs or 1088 kg
Length 117.7 inches [298 cm]
Width 53.3 inches [135 cm]
Height -
Wheelbase 64 inches [162 cm]
Ground clearance 13.7 inches [34 cm]
Rear tread size 42 to 50 inches
Front tread size 42 to 58 inches
Engine size 78 ci or 1.3 L
Number of cylinders 3 cylinders
Horsepower 25 hp or 18.6 kW
Power RPM 2600 (rpm)
Engine torque -
Engine torque RPM -
Fuel type diesel
Fuel tank capacity 8.5 gal or 32.2 L
Compression ratio 21.2:1
Bore stroke 3.15x3.35 inches or (80 x 85 mm)
Coolant tank capacity 6 qts or 5.7 L
Number of batteries 1
Battery voltage 12 V
Electric ground force negative
Engine starter volts 12 V
Parts And Accessories John Deere 850 Parts
Transmission type gear
Transmission gears 8 forward and 2 reverse
Clutch system 210mm dry disc
Wheel drive 4x2 2WD
Steering system manual
Braking system differential mechanical expanding shoe
Cabin type Two-post ROPS
Hydraulic system open center
Hydraulic tank capacity 4.75 gal or 18.0 L
Drawbar claimed power 19 hp or 14.2 kW
Drawbar real power 17.77 hp or 13.3 kW
Drawbar fuel consumption 1.6 gal/hour or 6.1 l/hour
Max drawbar pull 2,699 lbs or 1224 kg
PTO claimed power 22 hp or 16.4 kW
PTO real power 20.66 hp or 15.4 kW
PTO engine @RPM 540@2258 (rpm)
PTO clutch system -
Rear PTO system transmission
Rear PTO RPM 540 (rpm)
Front PTO system -
PTO fuel consumption 1.4 gal/hour or 5.3 l/hour
Hitch control system -
Rear hitch I
Rear hitch lift -



Detailed review of John Deere 850

John Deere produced its 850 farm tractor model From 1978  Until 1989 in United states with a Two-post ROPS cabin.
Talking dimensions and weight, this model weighs 2400 lbs or 1088 kg has 53.3 inches [135 cm] of width, 117.7 inches [298 cm] of length while maintaining a wheelbase of 64 inches [162 cm] and a ground clearance of 13.7 inches [34 cm] the front tread is about 42 to 58 inches while the rear tread is 42 to 50 inches .
This tractor can fit ag tires of 5.00-15 front and 5.00-15 back or lawn tires of 23/8.5-12 front and 23/8.5-12 back .
This John Deere 850 is powerd by a diesel engine it has 78 ci or 1.3 L 3 cylinders ,it can produce 25 hp or 18.6 kW at 2600 (rpm), the fuel tank capacity is 8.5 gal or 32.2 L.
This machine has 4x2 2WD wheel drive system,8 forward and 2 reverse transmission system.

- John Deere provided us with the latest version of its 850 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 850 farm-tractor here