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Tractor · 1982Unverified

John Deere 8850

Name: John Deere 8850
Brand: John Deere

John Deere 8850 — Four-wheel Drive (4WD) tractor · 304 hp. Reference specifications; pending source verification.

The John Deere 8850 is a tractor rated at approximately 304 horsepower, positioning it at the more powerful end of its class. It was manufactured from 1982 to 1988. The tractor features an 8-cylinder turbocharged intercooled diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. It has an operating weight of 37,480 to 37,700 pounds, making it suitable for operations covering 1,500+ acres.

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

Catalogue coverage

Variants represented

Richest spec table

91 rows

Recorded power

304 hp

Recorded weight

17000 kg

Transmissions

16-speed partial power shift

Production years

1982-1988

Verified variants

1 linked source document displayed

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.

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