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
Model John Deere 8850
Length 6,540 mm (257.5 in)
Wheel base 3,370 mm (132.7 in)
Weight 17,100 kg (37,699 lbs)
Fuel tank capacity 908.5 liters (240 US gal.; 199.8 Imp. gal)
Battery Three 12V, CCA: 625A
Cabin type Sound-Gard cab with air-conditioning
Engine model John Deere
Engine type Four-stroke, liquid-cooled, V
Cylinders 8
Fuel type Diesel
Displacement 15.7 L, 15,658 cm2, (955.0 cu·in)
Bore and stroke 140.0 mm X 127.0 mm (5.51 in X 5 in)
Compression ratio 15.5:1
Horsepower 375.2 PS (275.9 kW; 370.0 HP) at 2,100 rpm
Starter Electric
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
Chassis 4×4 articulated 4WD
Steering type Hydrostatic power
Brakes Power wet disc
Transmission model Quad-Range
Transmission type Partial power shift with Perma-Clutch wet discs clutch
Gears 16 forward and 6 reverse
Speed Forward: 32.5 kmh (20.2 mph) Reverse: 21.2 (13.2 mph)
Transmission oil capacity 172.2 L (45.5 US. gal, 37.9 Imp. gal.)
Front tires Ag: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32
Rear tires Ag: 20.8-38, 20.8-42, 23.1-34, 24.5-32, 30.5L-32
Three-Point Hitch
Caterogy IV/IVN
Control type
Lift capacity (at ends) 4,650 kg (10,255 lbs)
PTO (Power take-off shaft)
Rear PTO type Independent with hydraulic wet disc clutch (optional)
Rear PTO speed 1,000 rpm
Hydraulic system
Hydraulic type Closed center constant-pressure
Hydraulic capacity 172.2 L (181.96 US. qt, 151.51 Imp. qt.)
Valves 3 to 4
Pump flow 44.0 gpm (166.6 lpm)
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