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Tractor · 1983Unverified

John Deere 4850

Name: John Deere 4850
Brand: John Deere

John Deere 4850 — 50 Series · 193 hp. Reference specifications; pending source verification.

The John Deere 4850 is a tractor with a rating of approximately 193 horsepower, positioning it at the more powerful end of its class. Production of this model spanned from 1983 to 1988. The tractor features a 6-cylinder turbocharged intercooled diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. Its operating weight is listed as 17457 to 18720 pounds.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

193 hp

Max power

122.8 kW

Weight

17457 to 18720 pounds

Catalogue coverage

Variants represented

Richest spec table

105 rows

Recorded power

193 hp

Recorded weight

7918 kg

Transmissions

15-speed full power shift

Production years

1983-1988

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Original price$70,800 (1983 2WD )Reference

Original price$81,605 (1983 4WD )Reference

Two- or four-wheel driveReference

Final drivesinboard planetaryReference

Differential lockhydraulic rearReference

Power steeringReference

Hydraulic wet disc brakesReference

Sound-Gard cab standard. Optional four-post Roll-Gard ROPS.Reference

Engine

John Deere 7.6L 6-cyl dieselReference

Engine155.0 kWReference

Drawbar (claimed)120.8 kWReference

Drawbar (tested)122.8 kWReference

John DeereReference

intercooled turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement7.6 LReference

Bore/Stroke116 x 121 mmReference

Power155.0 kWReference

Air cleanerdryReference

Compression15:1Reference

Rated RPM2200Reference

Firing order1-5-3-6-2-4Reference

Starter volts12Reference

Oil capacity19.9 LReference

Coolant capacity30.3 LReference

Power at rated engine speed143.9 kWReference

Max power122.8 kWReference

Transmission

15-speed full power shiftReference

TransmissionJohn Deere Power ShiftReference

Typefull power shiftReference

Gears15 forward and 4 reverseReference

ClutchPerma-Clutch wet discReference

Oil capacity70.4 LReference

Oil capacity81.8 LReference

Full (clutchless) power shift can be made between gears, forward and reverse.Reference

PTO & Hydraulics

PTO (claimed)141.7 kWReference

PTO (tested)143.9 kWReference

Hydraulic system70.4 LReference

Hydraulic system81.8 LReference

Typeclosed centerReference

Capacity70.4 LReference

Capacity81.8 LReference

Pressure157.0 barReference

Valves2 or 3Reference

Pump flow111.7 lpmReference

Rear TypeIIIReference

Controllower-link draft sensingReference

Rear lift4354 kgReference

Rear PTOindependentReference

Clutchhydraulic wet discReference

Rear PTO Type1000Reference

Engine RPM1000@2200Reference

Capacities

Fuel386.1 LReference

Dimensions

2WD Wheelbase300 cmReference

4WD Wheelbase297 cmReference

Weight17457 to 18720 poundsReference

Front tire11.00-16Reference

2WD Rear tire20.8-38Reference

2WD Standard tires (ag)Front: 11.00-16. Rear: 20.8-38Reference

4WD Standard tires (ag)Front: 18.4-26. Rear: 20.8-38Reference

Ag rear18.4-38Reference

Ag rear18.4R38Reference

Ag rear20.8R38Reference

Ag rear18.4-42Reference

Ag rear18.4R42Reference

Length456 cmReference

Length469 cmReference

Width299 cmReference

Width215 cmReference

Width274 cmReference

Height299 cmReference

Shipping weight7918 kgReference

Operating weight8491 kgReference

Ground clearance37 cmReference

Rack-and-pinion rear axle100 by 2438 mmReference

Rack-and-pinion rear axle100 by 2743 mmReference

Rack-and-pinion rear axle100 by 2997 mmReference

John Deere 4850 attachments

front-end loaderReference

4850 Serial Number Location

Serial number plate on rear of tractor.Reference

4850 Serial Numbers

19831000Reference

19845001Reference

19858001Reference

198610001Reference

198711001Reference

198812001Reference

198914501Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps90Reference

Batteries2Reference

Battery volts6Reference

Battery volts12Reference

Test results

Diesel Power Shift 2WDOctober 11 - November 11, 1982Link: Nebraska Tractor Test 1461 fileReference

PTO performanceReference

Fuel use41.6 l/hourReference

Drawbar performanceReference

Gear 10 used for power test.Reference

Max pull8522 kgReference

Gear 5 used for pull test.Reference

Speeds

20.8-38 rear tires.Reference

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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