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...
|
| Electrical |
| Ground: | negative
|
| Battery volts: | 12
|
| Page information |
| Last update: | March 14, 2022
|
| Copyright: | Copyright 2022 TractorData LLC
|
| Contact: | Peter@TractorData.com
|
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Engine details ...
John Deere 850 photos...
Full dimensions and tires ...
Attachment details ...