Tractor · 1983Unverified
John Deere 4850
John Deere 4850 — 50 Series · 193 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
193 hp
Max power
122.8 kW
Weight
17457 to 18720 pounds
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.