John Deere 4850 tractor specifications

1983 - 1988

1983 - 1988 50 SeriesRow-Crop tractor

Production

Production Manufacturer:John Deere
Type:Row-Crop tractor
Factory:Waterloo, Iowa, USA
Original price:$70,800 (1983 2WD )
Original price:$81,605 (1983 4WD )

John Deere 4850 Power

John Deere 4850 Power Engine:207.9 hp
155.0 kW
Drawbar (claimed):162 hp
120.8 kW
PTO (claimed):190 hp
141.7 kW
Drawbar (tested):164.73 hp
122.8 kW
PTO (tested):192.99 hp
143.9 kW
power test details ...

1983 - 1988

50 Series

Row-Crop tractor

Nebraska Tractor Test 1461

Nebraska Tractor Test 1461
Diesel Power Shift 2WD October 11 - November 11, 1982 Link: Nebraska Tractor Test 1461 file
PTO performance
Power at rated engine speed:	192.99 hp 143.9 kW
Fuel use:	11.0 gal/hour 41.6 l/hour
Drawbar performance
Max power:	164.73 hp 122.8 kW
Fuel use:	11.0 gal/hour 41.6 l/hour
Gear 10 used for power test.
Max pull:	18,789 lbs 8522 kg
Gear 5 used for pull test.

John Deere 4850 Engine

John Deere 4850 Engine John Deere 7.6L 6-cyl diesel Engine details ...

1983 - 1988

50 Series

Row-Crop tractor

Engine Detail

Engine Detail
John Deere
intercooled turbocharged diesel
6-cylinder
liquid-cooled
Displacement:	466 ci 7.6 L
Bore/Stroke:	4.56x4.75 inches 116 x 121 mm
Power:	207.9 hp 155.0 kW
Air cleaner:	dry
Compression:	15:1
Rated RPM:	2200
Firing order:	1-5-3-6-2-4
Starter volts:	12
Oil capacity:	21 qts 19.9 L
Coolant capacity:	32 qts 30.3 L

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Final drives:inboard planetary
Differential lock:hydraulic rear
Steering:power
Brakes:hydraulic wet disc
Cab:Sound-Gard cab standard. Optional four-post Roll-Gard ROPS.
Transmission:15-speed full power shift
Transmission details ...

1983 - 1988

50 Series

Row-Crop tractor

Transmission

Transmission
Transmission:	John Deere Power Shift
Type:	full power shift
Gears:	15 forward and 4 reverse
Clutch:	Perma-Clutch wet disc
Oil capacity:	74.4 qts 70.4 L (2WD)
	86.4 qts 81.8 L (4WD)
Full (clutchless) power shift can be made between gears, forward and reverse.

Speeds

Speeds
20.8-38 rear tires.

Capacity

Capacity Fuel:102 gal
386.1 L
Hydraulic system:18.6 gal
70.4 L (2WD)
21.6 gal
81.8 L (4WD)

Hydraulics

Hydraulics Type:closed center
Capacity:18.6 gal
70.4 L (2WD)
21.6 gal
81.8 L (4WD)
Pressure:2277 psi
157.0 bar
Valves:2 or 3
Pump flow:29.5 gpm
111.7 lpm

Tractor hitch

Tractor hitch Rear Type:III
Control:lower-link draft sensing
Rear lift:9,599 lbs
4354 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Clutch:hydraulic wet disc
Rear RPM:1000
Engine RPM:1000@2200

Dimensions & Tires

Dimensions & Tires 2WD Wheelbase:118.5 inches
300 cm
4WD Wheelbase:117.1 inches
297 cm
Weight:17457 to 18720 pounds
Front tire:11.00-16
2WD Rear tire:20.8-38
Full dimensions and tires ...

1983 - 1988

50 Series

Row-Crop tractor

John Deere 4850 Tires

John Deere 4850 Tires
2WD Standard tires (ag):	Front: 11.00-16. Rear: 20.8-38
4WD Standard tires (ag):	Front: 18.4-26. Rear: 20.8-38
Ag rear:	18.4-38
	18.4R38
	20.8R38
	18.4-42
	18.4R42

Dimensions

Dimensions
2WD Wheelbase:	118.5 inches 300 cm
4WD Wheelbase:	117.1 inches 297 cm
Length:	179.7 inches 456 cm (2WD)
	184.8 inches 469 cm (4WD)
Width:	118 inches 299 cm (standard axle)
	85 inches 215 cm (optional axle)
	108 inches 274 cm (optional axle)
Height:	117.8 inches 299 cm
Shipping weight:	17,457 lbs 7918 kg
Operating weight:	18,720 lbs 8491 kg (2WD)
Ground clearance:	14.92 inches 37 cm
Rear axle:	Rack-and-pinion: 3.94 by 96 inches 100 by 2438 mm
Rear axle:	Rack-and-pinion: 3.94 by 108 inches 100 by 2743 mm
Rear axle:	Rack-and-pinion: 3.94 by 118 inches 100 by 2997 mm

John Deere 4850 attachments

John Deere 4850 attachments front-end loader Attachment details ...

1983 - 1988

50 Series

Row-Crop tractor

John Deere 280 Loader

John Deere 280 Loader
Loader weight:	2795 lbs 1267 kg
Height (to pin):	178 inches 452 cm
Clearance, dumped bucket:	152 inches 386 cm
Dump reach:	26 inches 66 cm
Dump angle:	44°
Clearance, level bucket:	173 inches 439 cm
Rollback angle:	41°
Breakout force (lift):	5126 lbs 2325 kg
Lift to full height (at pin):	3718 lbs 1686 kg
Bucket width:	85 inches 215 cm
	97 inches 246 cm

4850 Serial Numbers

4850 Serial Numbers Location:Serial number plate on rear of tractor.
photo of 4850 serial number
1983:1000
1984:5001
1985:8001
1986:10001
1987:11001
1988:12001
1989:14501

how to read serial numbers...