Tractor · 1982Unverified
John Deere 8850
John Deere 8850 — Four-wheel Drive (4WD) tractor · 304 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
304 hp
Max power
201.2 kW
Weight
37480 to 37700 pounds
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Four-wheel Drive (4WD) tractorReference
Built in Waterloo, Iowa, USAReference
Original price was $122,694 in 1983Reference
The model 8850 was the largest of the four-wheel drive tractors that John Deere unveiled in 1982. Its big V-8 was a departure from John Deere's usual engine design. The 8850 had an available full-power PTO and Load-and-Depth control three-point hitch.Reference
Four-wheel driveReference
Final drivesinboard compound planetaryReference
Differential lockelectro-hydraulic front and rearReference
Articulated power steeringReference
Power wet disc brakesReference
Sound-Gard cab with air-conditioningReference
Engine
John Deere 15.7L 8-cyl dieselReference
Engine275.9 kWReference
Drawbar (tested)201.2 kWReference
John DeereReference
intercooled turbocharged dieselReference
8-cylinderReference
liquid-cooled V8Reference
Displacement15.7 LReference
Bore/Stroke140 x 127 mmReference
Power275.9 kWReference
Compression15.5:1Reference
Rated RPM2100Reference
Starter volts12Reference
Oil capacity48.3 LReference
Coolant capacity73.8 LReference
Power at rated engine speed226.7 kWReference
Max power201.2 kWReference
Transmission
16-speed partial power shiftReference
TransmissionQuad-RangeReference
Typepartial power shiftReference
Gears16 forward and 6 reverseReference
ClutchPerma-Clutch hydraulic wet discsReference
Oil capacity172.2 LReference
Tractor must be stopped to select one of four ranges. Clutchless power shift between speeds 1-2 and 3-4 in range. A synchronized shift (using clutch) can be made between 2 and 3 in range.Reference
PTO & Hydraulics
PTO (claimed)223.7 kWReference
PTO (tested)226.7 kWReference
Hydraulic system172.2 LReference
Typeclosed center constant-pressureReference
Capacity172.2 LReference
Valves3 to 4Reference
Pump flow166.5 lpmReference
Rear Type4/4NReference
Controllower-link draft sensingReference
Rear lift4649 kgReference
Rear PTOindependentReference
Clutchhydraulic wet discReference
Rear PTO Type1000 (1.75)Reference
Capacities
Fuel908.4 LReference
Dimensions
Wheelbase337 cmReference
Weight37480 to 37700 poundsReference
Front tire20.8-38Reference
Rear tire20.8-38Reference
Ag front20.8-38Reference
Ag rear20.8-38Reference
Ag front20.8-42Reference
Ag front23.1-34Reference
Ag front24.5-32Reference
Ag front30.5L-32Reference
Ag rear20.8-42Reference
Ag rear23.1-34Reference
Ag rear24.5-32Reference
Ag rear30.5L-32Reference
Length654 cmReference
Shipping weight17000 kgReference
Operating weight17100 kgReference
Front axle110 by 3238 mmReference
Rear axle110 by 3238 mmReference
John Deere 8850 attachments
bladeReference
8850 Serial Numbers
Location:Serial number plate on the rear of the tractor.Reference
19822000Reference
19834000Reference
19845101Reference
19856001Reference
19866501Reference
19877001Reference
19887501Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps110Reference
Batteries3Reference
Battery CCA625Reference
Battery volts12Reference
Test results
Diesel Quad-Range 4WDMay 11 - 21, 1982Link: Nebraska Tractor Test 1434 fileReference
PTO performanceReference
Fuel use73.1 l/hourReference
Drawbar performanceReference
Fuel use72.7 l/hourReference
Max pull16025 kgReference
Speeds
20.8-38 tiresReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.