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Tractor · 1983Unverified
John Deere 4050
John Deere 4050 — 50 Series · 101 hp. Reference specifications; pending source verification.
The John Deere 4050 is a tractor with an approximate power output of 101 hp, placing it within the mid-range of its class. It was manufactured between 1983 and 1988. The model features a 6-cylinder turbocharged diesel liquid-cooled engine, coupled with four-wheel drive and a hydrostatic transmission. Its operating weight is specified as 11098 to 12720 pounds, suitable for operations covering 200 to 800 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
101 hp
Max power
62.6 kW
Weight
11098 to 12720 pounds
Catalogue coverage
Variants represented
2
Richest spec table
139 rows
Recorded power
101 hp
Recorded weight
5034 kg
Transmissions
16-speed partial power shift
Production years
1983-1988
Verified variants
0
1 linked source document displayed
Hover a source tag to verify
Overview
ManufacturerJohn DeereReference
Row-Crop tractorReference
Built in Waterloo, Iowa, USAReference
Original price$38,931 (1983 Quad-Range ROPS 2WD )Reference
Original price$58,690 (1983 Power Shift Cab 4WD )Reference
Two- or four-wheel driveReference
Final drivesinboard planetaryReference
Differential lockhydraulic rearReference
Power steeringReference
Hydrostatic wet disc brakesReference
Sound-Gard cab standard with air-conditioning. Optional four-post Roll-Gard ROPS.Reference
Variants
4050 Hi-Crophigh clearanceReference
Engine
John Deere 7.6L 6-cyl dieselReference
John Deere 5.9L 6-cyl dieselReference
Engine96.9 kWReference
Drawbar (claimed)64.9 kWReference
Drawbar (tested)70.8 kWReference
John DeereReference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement7.6 LReference
Bore/Stroke116 x 121 mmReference
Power96.9 kWReference
Air cleanerdryReference
Compression17.0:1Reference
Rated RPM2200Reference
Firing order1-5-3-6-2-4Reference
Starter volts12Reference
Oil capacity17.0 LReference
Coolant capacity19.9 LReference
turbocharged dieselReference
The 5.9-liter (359) engine was used in European-market 4050 tractors and appreared on North American models just after the start of the 1986 model year, tractor serial number 006509.Reference
Displacement5.9 LReference
Bore/Stroke106 x 110 mmReference
Compression17.8:1Reference
Power at rated engine speed75.3 kWReference
Max power62.6 kWReference
Power at rated engine speed75.7 kWReference
Max power67.4 kWReference
Power at rated engine speed79.0 kWReference
Max power70.8 kWReference
Power at rated engine speed78.8 kWReference
Max power65.8 kWReference
Transmission
16-speed partial power shiftReference
15-speed full power shiftReference
TransmissionJohn Deere Quad-RangeReference
Typepartial power shiftReference
Gears16 forward and 6 reverseReference
ClutchPerma-Clutch wet discReference
Oil capacity60.6 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
TransmissionJohn Deere Power ShiftReference
Typefull power shiftReference
Gears15 forward and 4 reverseReference
Oil capacity39.7 LReference
Oil capacity51.1 LReference
Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse.Reference
PTO & Hydraulics
PTO (claimed)74.6 kWReference
PTO (tested)79.0 kWReference
Hydraulic system39.7 LReference
Hydraulic system51.1 LReference
Hydraulic system60.6 LReference
Typeclosed centerReference
Capacity39.7 LReference
Capacity51.1 LReference
Capacity60.6 LReference
Pressure157.0 barReference
Valves2 to 3Reference
Pump flow100.3 lpmReference
Rear TypeII/IReference
Controllower-link draft sensingReference
Rear lift2854 kgReference
Rear lift3364 kgReference
Rear PTOindependentReference
Clutchhydraulic wet discReference
Rear PTO Type540/1000 (1.375)Reference
Engine RPM540@2200Reference
Engine RPM1000@2200Reference
Capacities
Fuel174.1 LReference
Dimensions
Wheelbase271 cmReference
Wheelbase267 cmReference
Weight11098 to 12720 poundsReference
Front tire10.00-16Reference
2WD Rear tire18.4-38Reference
2WD Standard tires (ag)Front: 10.00-16. Rear: 18.4-38Reference
4WD Standard tires (ag)Front: 14.9-26. Rear: 18.4-38Reference
Length391 cmReference
Length416 cmReference
Width243 cmReference
Width287 cmReference
Height290 cmReference
Shipping weight5034 kgReference
Operating weight5769 kgReference
Ground clearance40 cmReference
Rack-and-pinion rear axle85 by 2438 mmReference
Rack-and-pinion rear axle85 by 2870 mmReference
John Deere 4050 attachments
front-end loaderReference
4050 Serial Number Location
Serial number on the rear of the transmission caseReference
4050 Serial Numbers
1983001000Reference
1984003501Reference
1985005001Reference
1986006501Reference
1987007001Reference
1988007501Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps72Reference
Charging amps90 (with Sound-Gard cab)Reference
Batteries2Reference
Battery volts6Reference
Battery volts12Reference
Attachment overview
John Deere 148 loaderReference
John Deere 158 loaderReference
John Deere 260 loaderReference
John Deere 280 loaderReference
Test results
NTTL 1457: 466 diesel Power Shift 2WDReference
NTTL 1474: 466 diesel Quad-Range 2WDReference
NTTL 1590: 359 diesel Quad-Rang 2WDReference
NTTL 1591: 359 diesel Power Shift 2WDReference
466 diesel Power Shift 2WDOctober 12 - November 11, 1982Link: Nebraska Tractor Test 1457 fileReference
PTO performanceReference
Fuel use25.4 l/hourReference
Drawbar performanceReference
Gear 10 used for power test.Reference
Max pull5015 kgReference
Gear 4 used for pull test.Reference
466 diesel Quad-Range 2WDApril 1 - 19, 1983Link: Nebraska Tractor Test 1474 fileReference
Max pull4686 kgReference
359 diesel Quad-Rang 2WDApril 1 - 9, 1986Link: Nebraska Tractor Test 1590 fileReference
Fuel use23.1 l/hourReference
Fuel use23.5 l/hourReference
Max pull5162 kgReference
359 diesel Power Shift 2WDApril 1 - 16, 1986Link: Nebraska Tractor Test 1591 fileReference
Fuel use22.7 l/hourReference
Max pull5161 kgReference
Speeds
With 18.4-38 rear tiresReference
With 18.4-38 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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