John Deere 6620 (2001-2003) tractor: review and specs

The John Deere 6620 Premium is a 4WD utility tractor from the 6020 series. This tractor was manufactured by John Deere from 2001 to 2006. This first generation was manufactured from 2001 to 2003. The John Deere 6620 Premium is equipped with a 6.8 L (414.0 cu·in) six-cylinder diesel engine and one of two transmissions: PowrQuad Plus transmission with 24 forward and 24 reverse gears or AutoQuad II transmission with 24 forward and 24 reverse gears.

The John Deere 6620 Premium utility tractor used the John Deere 6068T 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 HP) at 2,300 rpm of output power.

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

John Deere 6620 Premium Specifications

General Specifications
Model	John Deere 6620 Premium
Length	–
Width	–
Height	–
Wheel base	–
Weight	5,230 kg (11,530 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
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 HP) at 2,300 rpm
Torque	531.6 N·m (54.2 kg·m, 391.8 ft·lb) at 1,500 rpm
Starter	Electric

Transmission and chassis
Chassis	4×4 MFWD 4WD
Steering type	Hydrostatic power
Brakes	Wet disc
Transmission model	PowrQuad Plus
Transmission type	Partial power shift
Gears	24 forward and 24 reverse
Transmission model	AutoQuad II
Transmission type	Partial power shift
Gears	24 forward and 24 reverse
Tires
Front tires	Ag: 14.9R28
Rear tires	Ag: 18.4R38

Three-Point Hitch
Category	II/IIIN
Control type	–
Lift capacity	7,420 kg (16,360 lbs)
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO speed	540/1000 rpm
Hydraulic system
Hydraulic type	Closed center load sensing (CCLS)
Pressure	2900 psi (200.0 bar)
Pump flow	25.4 gpm (96.1 lpm)

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