John Deere 4620

John Deere 4620The John Deere 4620 is a 2WD or 4WD row-crop tractor manufactured by John Deere in Waterloo, Iowa, USA from 1971 to 1972. The John Deere 4620 is equipped with a 6.6 L (404.0 cu·in) six-cylinder diesel engine and one of two transmissions: a partially synchronized transmission with dry disc clutch and 8 forward and 2 reverse gears or a full powershift transmission with hydraulic wet disc clutch and 8 forward and 4 reverse gears.

The John Deere 4620 row-crop tractor used the John Deere engine. It is a 6.6 L, 6,620 cm2, (404.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 108.0 mm (4.25 in) of the cylinder bore and 121.0 mm (4.76 in) of the piston stroke. The compression ratio rating is 16.4:1. This engine produced 137 PS (100.7 kW; 135.0 HP) at 2,200 rpm of output power.

The JD 4620 is equipped with hydrostatic power steering, hydraulic wet disc brakes, open operator station (two-post Roll-Gard ROPS and canopy or cab was available as an option), and 189.3 liters (50.0 US gal.; 41.6 Imp. gal) fuel tank.

John Deere 4620 Specifications

General Specifications
ModelJohn Deere 4620
Length4,330 mm (170.5 in)
Width Standard: 2,430 mm (95.7 in)
Long axle: 2,740 mm (108.0 in)
Extra long axle: 2,990 mm (118.0 in)
Height2,690 mm (105.9 in)
Wheel base2,700 mm (106.3 in)
Weight6,770 kg (14,925 lbs)
Fuel tank capacity189.3 liters (50 US gal.; 41.6 Imp. gal)
BatteryTwo 6V
Cabin typeOpen operator station, two-post Roll-Gard ROPS and canopy or cab.
Engine
Engine modelJohn Deere
Engine typeFour-stroke, liquid-cooled, inline
Cylinders6
Fuel typeDiesel
Displacement6.6 L, 6,620 cm2, (404.0 cu·in)
Bore and stroke108.0 mm X 121.0 mm (4.25 in X 4.76 in)
Compression ratio16.4:1
Horsepower137 PS (100.7 kW; 135.0 HP) at 2,200 rpm
StarterElectric
Oil capacity:15.1 L (16 US. qt, 13.3 Imp. qt.)
Coolant capacity:26.5 L (28 US. qt, 23.3 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typeHydrostatic power
BrakesHydraulic wet disc
Differential lockHydraulic
Transmission modelSyncro-Range
Transmission typePartially synchronized with dry disc clutch
Gears8 forward and 2 reverse
Speed Forward: 29.4 kmh (18.3 mph) Reverse: 8.9 (5.5 mph)
Transmission oil capacity60.6 L (16 US. gal, 13.3 Imp. gal.)
Transmission modelPower Shift
Transmission typeFull power shift with hydraulic wet disc clutch
Gears8 forward and 4 reverse
Speed Forward: 29.7 kmh (18.5 mph) Reverse: 8.5 (5.3 mph)
Transmission oil capacity68.1 L (18 US. gal, 15 Imp. gal.)
Tires
Front tiresAg: 11.00-16
Rear tiresAg: 20.8-38
Three-Point Hitch
CaterogyIII/II
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO typeIndependent
Rear PTO speed1,000 rpm
Hydraulic system
Hydraulic typeClosed center
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

1 Comment

  1. Why is the horse power rating not shown with the engine spec.The most important piece of information is often very had to find.Simple question WHY???

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