John Deere 4850
The John Deere 4850 is a tractor produced by John Deere. It is equipped with a 466 ci 7.6 L engine. The listed engine power is Diesel (listed): 207.9 hp / 155.0 kW. Transmission: John Deere Power Shift. Operating weight: 17457 to 18720 pounds.
Overview
![]() | 1983 - 1988
50 SeriesRow-Crop tractor
50 Series
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Row-Crop tractor | |
Built in Waterloo, Iowa, USA | |
Original price | $70,800 (1983 2WD ) |
$81,605 (1983 4WD ) | |
John Deere 4850 Engine | |
|---|---|
John Deere 7.6L 6-cyl diesel | |
Engine details ... |
John Deere 4850 Transmission | |
|---|---|
15-speed full power shift | |
Transmission details ... |
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 |
Performance test details ... | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Final drives | inboard planetary |
Differential lock | hydraulic rear |
Power steering | |
Hydraulic wet disc brakes | |
Sound-Gard cab standard. Optional four-post Roll-Gard ROPS. | |
Capacity | |
|---|---|
Fuel | 102 gal
386.1 L |
Hydraulic system | 18.6 gal (2WD)
70.4 L |
21.6 gal (4WD)
81.8 L | |
Hydraulics | |
|---|---|
Type | closed center |
Capacity | 18.6 gal (2WD)
70.4 L |
21.6 gal (4WD)
81.8 L | |
Pressure | 2277 psi
157.0 bar |
Valves | 2 or 3 |
Pump flow | 29.5 gpm
111.7 lpm |
Tractor hitch | |
|---|---|
Rear Type | III |
Control | lower-link draft sensing |
Rear lift | 9,599 lbs
4354 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | hydraulic wet disc |
Rear PTO Type | 1000 |
Engine RPM | 1000@2200 |
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 ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 90 |
Batteries | 2 |
Battery volts | 6 |
12 OptOptional | |
References | |
|---|---|
![]() | |
Loaders, Spreaders and Blades published in 1984, by John Deere | |
Tractors 100 to 190 HP published in 1984, by John Deere | |
Tractors 105 to 190 HP published in 1984, by John Deere | |
Row-Crop Tractors Product Information Handbook published in 1984, by John Deere | |
Row-Crop Tractors Product Information Handbook published in 1986, by John Deere | |
Mechanical Front-Wheel Drive published in 1984, by John Deere | |
Agricultural Price List published in 1983, by John Deere |
Engine
Engine Detail — 466 ci / 7.6 L Diesel
Manufacturer | John Deere |
Configuration | 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 |
John Deere 4850 Engine | |
|---|---|
![]() |
Transmission
Transmission — John Deere Power Shift
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 (2WD)
70.4 L |
86.4 qts (4WD)
81.8 L | |
Full (clutchless) power shift can be made between gears, forward and reverse. | |
20.8-38 rear tires. | |
![]() | |
Dimensions
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 | |
|---|---|
2WD Wheelbase | 118.5 inches
300 cm |
4WD Wheelbase | 117.1 inches
297 cm |
Length | 179.7 inches (2WD)
456 cm |
184.8 inches (4WD)
469 cm | |
Width | 118 inches (standard axle)
299 cm |
85 inches (optional axle)
215 cm | |
108 inches (optional axle)
274 cm | |
Height | 117.8 inches
299 cm |
Shipping weight | 17,457 lbs
7918 kg |
Operating weight | 18,720 lbs (2WD)
8491 kg |
Ground clearance | 14.92 inches
37 cm |
Rack-and-pinion rear axle | 3.94 by 96 inches
100 by 2438 mm |
Rack-and-pinion rear axle | 3.94 by 108 inches
100 by 2743 mm |
Rack-and-pinion rear axle | 3.94 by 118 inches
100 by 2997 mm |
Tests
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. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 4850 based on its 207.9 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 5 to 7 Bottom (18")5 - 7 铧 (45 cm) | Commercial / Field Scale | Large acreage tillage; requires front ballast weights. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 4850.
Estimated Continuous Field Runtime: 9.4 hrs
Approximately 9.4 hours of continuous field operation at ~75% rated power on a full tank (102 gal / 386.1 L).
Engine Crankcase Oil
Transmission & Hydraulic System
Engine Cooling System
John Deere 4850 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 4850.
Converted Equivalents:
Direct Competitor Comparison
Compare John Deere 4850 against same-era industry alternatives in the same horsepower class.
John Deere 4850
Massey Ferguson 7S.190
International Harvester 3788
Related models
John Deere 4630
- Power:
- 166.7
- Production years:
- 1973 - 1977
John Deere 6170M
- Power:
- 170
- Production years:
- 2013 - 2015
John Deere 6170R
- Power:
- 170
- Production years:
- 2012 - 2014
John Deere 7800
- Power:
- 170
- Production years:
- 1992 - 1996
John Deere 4560
- Power:
- 172.2
- Production years:
- 1992 - 1994



