John Deere 8850

John Deere 8850The John Deere 8850 is a 4WD four-wheel drive tractor from the 8050 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1982 to 1988. The JD 8850 is equipped with a 15.7 L (955.0 cu·in) V8 diesel engine and a partial power shift transmission with Perma-Clutch wet discs clutch and 16 forward and 6 reverse gears.

The John Deere 8850 four-wheel drive tractor used the John Deere engine. It is a 15.7 L, 15,658 cm2, (955.0 cu·in) turbocharged intercooled diesel engine with 140.0 mm (5.51 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 15.5:1. This engine produced 375.2 PS (275.9 kW; 370.0 HP) at 2,100 rpm of output power.

The John Deere 8850 is equipped with hydrostatic power steering, power wet disc brakes, Sound-Gard cab, and 908.5 liters (240 US gal.; 199.8 Imp. gal) fuel tank.

John Deere 8850 Specifications

General Specifications
ModelJohn Deere 8850
Length6,540 mm (257.5 in)
Wheel base3,370 mm (132.7 in)
Weight17,100 kg (37,699 lbs)
Fuel tank capacity908.5 liters (240 US gal.; 199.8 Imp. gal)
BatteryThree 12V, CCA: 625A
Cabin typeSound-Gard cab with air-conditioning
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, V
Fuel typeDiesel
Displacement15.7 L, 15,658 cm2, (955.0 cu·in)
Bore and stroke140.0 mm X 127.0 mm (5.51 in X 5 in)
Compression ratio15.5:1
Horsepower375.2 PS (275.9 kW; 370.0 HP) at 2,100 rpm
Oil capacity:48.3 L (51 US. qt, 42.5 Imp. qt.)
Coolant capacity:73.8 L (78 US. qt, 64.9 Imp. qt.)
Transmission and chassis
Chassis4×4 articulated 4WD
Steering typeHydrostatic power
BrakesPower wet disc
Transmission modelQuad-Range
Transmission typePartial power shift with Perma-Clutch wet discs clutch
Gears16 forward and 6 reverse
Speed Forward: 32.5 kmh (20.2 mph) Reverse: 21.2 (13.2 mph)
Transmission oil capacity172.2 L (45.5 US. gal, 37.9 Imp. gal.)
Front tiresAg: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32
Rear tiresAg: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32
Three-Point Hitch
Control type
Lift capacity (at ends)4,650 kg (10,255 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent with hydraulic wet disc clutch (optional)
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center constant-pressure
Hydraulic capacity172.2 L (181.96 US. qt, 151.51 Imp. qt.)
Valves3 to 4
Pump flow44.0 gpm (166.6 lpm)
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