John Deere 6620 Premium (2003-2006)

John Deere 6620 PremiumThe John Deere 6620 Premium is a 4WD utility tractor from the 6020 series. This tractor was manufactured by John Deere from 2003 to 2006. This second generation was manufactured from 2003 to 2006. The JD 6620 Premium is equipped with a 6.8 L (414.0 cu·in) six-cylinder diesel engine and one of three transmissions: PowrQuad Plus transmission with 24 forward and 24 reverse gears, AutoQuad Plus transmission with 24 forward and 24 reverse gears or AutoPowr IVT transmission transmission with infinite forward and reverse gears.

The JD 6620 Premium utility tractor used the John Deere 6068T 4V-CR engine. It is a 6.8 L, 6,785 cm2, (414.0 cu·in) six-cylinder turbocharged intercooled diesel engine with 106.0 mm (4.17 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. This engine produced 126.8 PS (93.2 kW; 125.0 HP) at 2,300 rpm of output power and 535.1 N·m (54.6 kg·m, 394.4 ft·lb) at 1,700 rpm of torque.

The John Deere 6620 Premium is equipped with hydrostatic power steering, hydraulic wet disc brakes, Cab (standard) and 207.0 liters (54.7 US gal.; 45.5 Imp. gal) fuel tank.

Following attachments are available for the JD 6620 Premium utility tractor:

  • John Deere 661 loader
  • John Deere 731 loader

John Deere 6620 Premium Specifications

General Specifications
Model John Deere 6620 Premium
Length 4,720 mm (185.8 in)
Width 2,310 mm (90.9 in)
Height (cab) 2,850 mm (112.2 in)
Wheel base 2,640 mm (103.9 in)
Ground clearance 520 mm (20.5 in)
Weight (shipping) 5,340 kg (11,773 lbs)
Fuel tank capacity 207.0 liters (54.7 US gal.; 45.5 Imp. gal)
Battery 12V
Cabin type Cab (standard)
Engine
Engine model John Deere 6068T 4V-CR
Engine type Four-stroke, liquid-cooled, inline
Cylinders 6
Fuel type Diesel
Displacement 6.8 L, 6,785 cm2, (414.0 cu·in)
Bore and stroke 106.0 mm X 127.0 mm (4.17 in X 5 in)
Horsepower 126.8 PS (93.2 kW; 125.0 HP) at 2,300 rpm
Torque 535.1 N·m (54.6 kg·m, 394.4 ft·lb) at 1,700 rpm
Starter Electric
Oil capacity: 19.5 L (20.6 US. qt, 17.2 Imp. qt.)
Transmission and chassis
Chassis 4×4 MFWD 4WD
Steering type Hydrostatic power
Brakes Hydraulic wet disc
Differential lock Electro-hydraulic wet disc
Transmission model PowrQuad Plus
Transmission type Partial power shift with Perma-Clutch wet disc clutch
Gears 24 forward and 24 reverse
Transmission model AutoQuad Plus
Transmission type Partial power shift with Perma-Clutch wet disc clutch
Gears 24 forward and 24 reverse
Transmission model AutoPowr IVT
Transmission type Infinitely variable transmission
Gears Infinite forward and reverse
Tires
Front tires Ag: 420/70R28
Rear tires Ag: 18.4R38
Three-Point Hitch
Category II/IIIN
Control type Electronic lower link draft control
Lift capacity 7,420 kg (16,360 lbs)
PTO (Power take-off shaft)
Front PTO type
Front PTO speed 1000 rpm
Rear PTO type Independent with electro-hydraulic clutch
Rear PTO speed 540/540E/1000 rpm
Hydraulic system
Hydraulic type Pressure flow compensating (PFC)
Pressure 2900 psi (200.0 bar)
Pump flow 25.4 gpm (96.1 lpm)
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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.

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