John Deere 2850

The John Deere 2850 is a tractor produced by John Deere. It is equipped with a 239 ci 3.9 L engine. The listed engine power is Diesel (listed): 86 hp / 64.1 kW; Diesel (listed): 4 hp / 3.0 kW. Transmission: Hi-Lo. Operating weight: 7694 to 8653 pounds.

Overview

	1986 - 1994 Utility tractor

Production
Manufacturer	John Deere
Utility tractor
Factories	Mannheim, Baden-Württemberg, Germany
	Rosario, Argentina

John Deere 2850 Engine
John Deere 3.9L 4-cyl diesel
Fuel tank	22.2 gal 84.0 L
	35.9 gal*With optional 35L tank. 135.9 L
Engine details ...

John Deere 2850 Transmission
16-speed two-speed power shift
Transmission details ...

John Deere 2850 Power
Engine	86 hp 64.1 kW

Mechanical
Two- or four-wheel drive
Final drives	planetary
Power steering
Hydraulic wet disc brakes
ROPS. Sound-Gard and CC2 cab optional.

Hydraulics
Type	closed-center constant presure
Pressure	2756 psi 190.0 bar
Total flow	11.6 gpm 43.9 lpm

Tractor hitch
Rear Type	II
Control	positon and draft control
2WD Rear lift (at ends)	8003 lbs 3630 kg
4WD Rear lift (at ends)	8818 lbs 3999 kg
Front Hitch	II
Front lift (at ends)	3594 lbs 1630 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	hydraulic wet disc
Rear PTO Type	540/1000
Engine RPM	540@2070
	1000@2172
Front PTO	independent
Clutch	hydraulic wet disc
Front PTO Type	1000
Engine RPM	1000@2172

Dimensions & Tires
2WD Wheelbase	89.2 inches 226 cm
4WD Wheelbase	90 inches 228 cm
Weight	7694 to 8653 pounds
Front tire	10.00-16
2WD Rear tire	14.9R38
Full dimensions and tires ...

Electrical
Ground	negative
Charging amps	55
Batteries	2
Battery volts	12
Battery AH	55

References
Operator's Manual 2650 and 2850 Tractors published in 1992, by John Deere
2850 Traktor published in 1986, by John Deere

Engine

Engine Detail — 239 ci / 3.9 L Diesel

Manufacturer	John Deere 4239TL
Configuration	turbocharged diesel, 4-cylinder, liquid-cooled
Displacement	239 ci 3.9 L
Bore/Stroke	4.19x4.33 inches 106 x 110 mm
Power	86 hp 64.1 kW
Air cleaner	dry
Rated RPM	2300
Torque	232.3 lb-ft 315.0 Nm
Torque RPM	1500
Starter volts	12
Starter power	4 hp 3.0 kW

Transmission

Transmission — Hi-Lo

Transmission	Hi-Lo
Type	two-speed power shift
Gears	16 forward and 8 reverse
Clutch	hydraulic cerametallic disc
With 14.9R38 rear tires.

Dimensions

John Deere 2850 Tires
2WD Standard tires (ag)	Front: 10.00-16. Rear: 14.9R38
4WD Standard tires (ag)	Front: 12.4R28. Rear: 14.9R38

Dimensions
2WD Wheelbase	89.2 inches 226 cm
4WD Wheelbase	90 inches 228 cm
Length	167.1 inches 424 cm
Width	81.4 inches 206 cm
Height (cab)	100.3 inches (low-profile) 254 cm
	105.8 inches (SG2) 268 cm
2WD Weight	7694 lbs 3489 kg
4WD Weight	8653 lbs 3925 kg
4WD Clearance (front axle)	20.5 inches 52 cm
2WD Clearance (front axle)	26.5 inches 67 cm
2WD Front tread	53.5 to 79.1 inches 135 to 200 cm
4WD Front tread	59.1 to 79.1 inches 150 to 200 cm
Rear tread	59.1 to 78.7 inches 150 to 199 cm