John Deere

John Deere 2850

The John Deere 2850 is a utility tractor produced from 1986 to 1994. It features a turbocharged 4-cylinder 3.9L diesel engine delivering 86 hp (64.1 kW). The tractor offers a 16-speed two-speed power shift transmission with hydraulic cerametallic disc clutch. It is available in two- or four-wheel drive with planetary final drives and hydraulic wet disc brakes. The 2850 has optional Sound-Gard and CC2 cabs and ROPS. Hydraulics are closed-center constant pressure with 2756 psi and 11.6 gpm flow. The tractor hitch includes rear and front type II hitches with position and draft control. PTO options include independent front and rear PTOs with hydraulic wet disc clutches. Dimensions vary between 2WD and 4WD models, with weights from 7694 to 8653 lbs. Standard tires differ for 2WD and 4WD configurations. The 2850 was manufactured in Germany and Argentina.

Power86 hp

Founded1986 - 1994

Model2850

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Technical Specifications

Detailed specifications and technical data for John Deere 2850

Power

Engine power	86 hp (64.1 kW)

Engine

Type	turbocharged diesel
Model	John Deere 4239TL
Power	86 hp (64.1 kW)
Torque	232.3 lb-ft (315.0 Nm)
Cooling	liquid-cooled
Cylinders	4-cylinder
Fuel tank	22.2 gal (84.0 L); 35.9 gal (135.9 L) with optional 35L tank
Rated RPM	2300
Torque RPM	1500
Air cleaner	dry
Bore/Stroke	4.19x4.33 inches (106 x 110 mm)
Displacement	239 ci (3.9 L)
Starter power	4 hp (3.0 kW)
Starter volts	12

Electrical

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

Hydraulics

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

Mechanical

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

Production

Category	Utility tractor
Factories	Mannheim, Baden-Württemberg, Germany; Rosario, Argentina
Years produced	1986 - 1994

Transmission

Type	Hi-Lo two-speed power shift
Gears	16 forward and 8 reverse
Clutch	hydraulic cerametallic disc

Tractor hitch

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

Dimensions & Tires

Width	81.4 inches (206 cm)
Length	167.1 inches (424 cm)
2WD Weight	7694 lbs (3489 kg)
4WD Weight	8653 lbs (3925 kg)
Rear tread	59.1 to 78.7 inches (150 to 199 cm)
Height (cab)	100.3 inches (low-profile) (254 cm); 105.8 inches (SG2) (268 cm)
2WD Wheelbase	89.2 inches (226 cm)
4WD Wheelbase	90 inches (228 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)
2WD Standard tires (ag)	Front: 10.00-16. Rear: 14.9R38
4WD Standard tires (ag)	Front: 12.4R28. Rear: 14.9R38
2WD Clearance (front axle)	26.5 inches (67 cm)
4WD Clearance (front axle)	20.5 inches (52 cm)

Power Take-off (PTO)

Rear PTO	independent
Front PTO	independent
Rear PTO Type	540/1000
Front PTO Type	1000
Rear PTO Clutch	hydraulic wet disc
Front PTO Clutch	hydraulic wet disc
Rear PTO Engine RPM	540@2070; 1000@2172
Front PTO Engine RPM	1000@2172