John Deere 850
| 1978 - 1989 |
50 Compact Series | Compact Utility tractor | Yanmar built |
|
Production |
Distributor: | John Deere
|
Manufacturer: | Yanmar
|
Type: | Compact Utility tractor
|
Factory: | Japan
|
Original price: | $7,670 (1983 )
|
Original price: | $11,000 (1989 )
|
John Deere 850 Power |
Engine (gross): | 25 hp 18.6 kW
|
Drawbar (claimed): | 19 hp 14.2 kW
|
PTO (claimed): | 22 hp 16.4 kW
|
Drawbar (tested): | 17.77 hp 13.3 kW
|
PTO (tested): | 22.27 hp 16.6 kW
|
power test details ... |
Mechanical |
Chassis: | 4x2 2WD
|
| 4x4 MFWD 4WD
|
Steering: | manual
|
| power*Optional
|
Brakes: | differential mechanical expanding shoe
|
Cab: | Two-post ROPS.
|
Transmission: | 8-speed gear
|
Transmission details ... |
Capacity |
Fuel: | 8.5 gal 32.2 L
|
Hydraulic system: | 4.75 gal 18.0 L
|
| 5.25 gal 19.9 L *After 1984
|
Hydraulics |
Type: | open center
|
Capacity: | 4.75 gal 18.0 L
|
| 5.25 gal 19.9 L *After 1984
|
Pressure: | 2030 psi 140.0 bar
|
Tractor hitch |
Rear Type: | I
|
Power Take-off (PTO) |
Rear PTO: | transmission*Early models, through the 1983 model year.
|
| live two-stage clutch*Introduced in 1984, tractor serial number 16001.
|
Rear RPM: | 540 (1.375)
|
Engine RPM: | 540@2258
|
850 Serial Numbers |
Location: | Serial number plate on the rear of the John Deere 850, below the PTO shaft.
|
photo of 850 serial number
|
1978: | 1000
|
1979: | 3859
|
1980: | 7389
|
1981: | 11338
|
1982: | 12481
|
1983: | 14183
|
1984: | 16006
|
1985: | 18001
|
1986: | 22001
|
1987: | 25501
|
1988: | 28337
|
Final: | 30852
|
how to read serial numbers...
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Electrical |
Ground: | negative
|
Battery volts: | 12
|
Page information |
Last update: | March 14, 2022
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Copyright: | Copyright 2022 TractorData LLC
|
Contact: | Peter@TractorData.com
|
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