John Deere 4850

John Deere 4850John Deere 4850The John Deere 4850 is a 2WD or 4WD row-crop tractor from the 50 series. This tractor was manufactured by John Deere in Waterloo, Iowa, USA from 1983 to 1988. The JD 4850 is equipped with a 7.6 L (466.0 cu·in) six-cylinder diesel engine and a full power shift transmission with 15 forward and 4 reverse gears and Perma-Clutch wet disc clutch.

The John Deere 4850 row-crop tractor used the John Deere engine. It is a 7.6 L, 7,636 cm2, (466.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 116.0 mm (4.57 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 15.0:1. This engine produced 192.7 PS (141.7 kW; 190.0 HP) at 2,200 rpm of output power.

The JD 4850 is equipped with power steering, hydraulic wet disc brakes, Sound-Gard cab or four-post Roll-Gard ROPS (optional), and 386.1 liters (102 US gal.; 84.9 Imp. gal) fuel tank.

John Deere 4850 Specifications

General Specifications
ModelJohn Deere 4850
Length 2WD: 4,560 mm (179.5 in)
4WD: 4,690 mm (184.6 in)
Width Standard axle: 2,990 mm (117.7 in)
Optional axle: 2,150 mm (84.6 in)
Optional axle: 2,740 mm (108.0 in)
Height2,990 mm (117.7 in)
Wheel base 2WD: 3,000 mm (118.1 in)
4WD: 2,970 mm (116.9 in)
Ground clearance370 mm (14.6 in)
Weight (operating) 2WD: 8,490 kg (18,717 lbs)
Fuel tank capacity386.1 liters (102 US gal.; 84.9 Imp. gal)
Cabin typeSound-Gard cab or four-post Roll-Gard ROPS (optional)
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement7.6 L, 7,636 cm2, (466.0 cu·in)
Bore and stroke116.0 mm X 121.0 mm (4.57 in X 4.76 in)
Compression ratio15.0:1
Horsepower192.7 PS (141.7 kW; 190.0 HP) at 2,200 rpm
Oil capacity:19.9 L (21 US. qt, 17.5 Imp. qt.)
Coolant capacity:30.3 L (32 US. qt, 26.7 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typePower
BrakesHydraulic wet disc
Final driveInboard planetary
Differential lockHydraulic rear
Transmission modelJohn Deere Power Shift
Transmission typeFull power shift with Perma-Clutch wet disc clutch
Gears15 forward and 4 reverse
Speed Forward: 28.9 kmh (18 mph) Reverse: 9.7 (6 mph)
Transmission oil capacity70.4 L (18.6 US. gal, 15.5 Imp. gal.)
Front tires Ag: 11.00-16
Rear tires Ag: 20.8-38
Three-Point Hitch
Control typeLower-link draft sensing
Lift capacity (at ends)4,355 kg (9,600 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent with hydraulic wet disc clutch
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center
Hydraulic capacity 2WD: 70.4 L (18.6 US. gal, 15.5 Imp. gal.)
4WD: 81.8 L (21.6 US. gal, 18.0 Imp. gal.)
Pressure2277 psi (157 bar)
Valves2 or 3
Pump flow29.5 gpm (111.7 lpm)
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