John Deere 4850 Row-Crop Tractors Specifications

Engine

The engine is a John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled with a displacement of 466ci / 7.6L and bore/stroke of 4.56x4.75inches / 116x 121mm. It has a power output of 207.9hp / 155.0kW and a compression ratio of 15:1. The engine is equipped with a dry air cleaner and has a rated rpm of 2200. The starter volts are 12 and the oil capacity is 21qts / 19.9L while the coolant capacity is 32qts / 30.3L.

Transmission

The transmission is a 15-speed full power shift. Unfortunately, no further details were provided in the .

Brakes

The brakes are hydraulic wet disc brakes. The John Deere 4850 model comes with two- or four-wheel drive, Power steering, and a Sound-Gard cab as standard. The optional four-post Roll-Gard ROPS is also available. The final drive is inboard planetary and the differential lock is hydraulic rear.

Steering

The steering is described as a John Deere 7.6L 6-cyl diesel. Unfortunately, no further details were provided in the .

Common Problems

Users have reported issues with the hydraulic system, specifically with leaks and failures. Another common problem is with the transmission, which can experience slipping or failure. Some users have also reported issues with the brakes, particularly with the wet disc brakes. Additionally, some users have reported issues with the engine, including overheating and oil leaks. Finally, some users have reported issues with the electrical system, including problems with the starter and alternator.

What Users Like

Users appreciate the power and performance of the John Deere 4850, particularly when it comes to heavy-duty tasks like plowing or hauling. They also appreciate the comfortable and spacious cab, which provides good visibility and reduces operator fatigue. Additionally, users like the versatility of the tractor, which can be used for a variety of tasks thanks to its four-wheel drive and hydraulic system. Finally, users appreciate the reliability of the John Deere brand and the ease of maintenance for this particular model.

Techincal Specifications

Engine Detail
Description	John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled
Displacement	466ci / 7.6L
Bore/stroke	4.56x4.75inches / 116x 121mm
Power	207.9hp / 155.0kW
Air Cleaner	dry
Compression	15:1
Rated Rpm	2200
Firing Order	1-5-3-6-2-4
Starter Volts	12
Oil Capacity	21qts / 19.9L
Coolant Capacity	32qts / 30.3L
Engine
Description	John Deere 7.6L 6-cyl diesel
Transmission
Description	15-speed full power shift
Mechanical
Description	Two- or four-wheel drive Power steering Hydraulic wet disc brakes/Sound-Gard cab standard. Optional four-post Roll-Gard ROPS
Final Drive	inboard planetary
Differential Lock	hydraulic rear
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 And Tires
2wd Wheelbase	118.5inches / 300cm
4wd Wheelbase	117.1inches / 297cm
Weight	17457 to 18720 pounds
Front Tire	11.00-16
2wd Rear Tire	20.8-38
Serial Numbers
1989	14501
Capacity
Fuel	102gal / 386.1L
Hydraulic System	18.6gal (2WD) / 70.4L 21.6gal (4WD) / 81.8L
Hydraulics
Type	closed center
Capacity	18.6gal (2WD) / 70.4L 21.6gal (4WD) / 81.8L
Pressure	2277psi / 157.0bar
Valves	2 or 3
Pump Flow	29.5gpm / 111.7lpm
Tractor Hitch
Rear Type	III
Control	lower-link draft sensing
Rear Lift	9,599lbs / 4354kg
Electrical
Ground	negative
Charging System	alternator
Charging Amps	90
Batteries	2
Battery Volts	6/12 OptOptional
Speeds
Description	20.8-38 rear tires
Power Take Off Pto
Rear Pto	independent
Clutch	hydraulic wet disc
Rear Rpm	1000
Engine Rpm	1000@2200
Serial Location
Description	Serial number plate on rear of tractor