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John Deere 6620 Premium

John Deere 6620 Premium tractor
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The John Deere 6620 Premium is a utility tractor from the 6020 Series produced between 2001 and 2006. It features a 6.8L 6-cylinder turbocharged intercooled diesel engine delivering 125 hp net power. The tractor has a 24-speed partial power shift transmission (PowrQuad Plus / AutoQuad II) and four-wheel drive with hydrostatic power steering. It includes wet disc brakes and a standard cab. The hydraulic system is closed center load sensing with 2900 psi pressure and 25.4 gpm pump flow. The rear hitch is category II/IIIN with a lift capacity of 16,360 lbs. The rear PTO is independent with 540/1000 rpm options. The tractor weighs 11,532 lbs and uses 14.9R28 front and 18.4R38 rear tires.
John Deere 6620 Premiumtractor specs6020 Seriesutility tractor6.8L diesel enginePowrQuad PlusAutoQuad II125 hp tractor
Power125 hp
Founded2001 - 2006
Model6620 Premium

Technical Specifications

Detailed specifications and technical data for John Deere 6620 Premium

Power

Engine (net):125 hp (93.2 kW)
PTO (claimed):110 hp (82.0 kW)

Tires

Standard tires (ag):Front: 14.9R28. Rear: 18.4R38

Engine

Type:turbocharged intercooled diesel
Model:John Deere 6068T
Torque:392.0 lb-ft (531.6 Nm)
Cooling:liquid-cooled
Starter:electric
Idle RPM:850-2460
Cylinders:6-cylinder
Fuel tank:54.7 gal (207.0 L)
Rated RPM:2300
Torque RPM:1500
Bore/Stroke:4.19x5.00 inches (106 x 127 mm)
Displacement:414.1 ci (6.8 L)
Firing order:1-5-3-6-2-4
Operating RPM:1300-2300
Starter volts:12
Rated Power (net):125 hp (93.2 kW)
Intake valve clearance:0.014 inches (0.356 mm)
Exhaust valve clearance:0.018 inches (0.457 mm)

Dimensions

Weight:11,532 lbs (5230 kg)
Max capacity:18,740 lbs (8500 kg)
Max rear axle:15,210 lbs (6899 kg)
Max front axle:9,039 lbs (4100 kg)
Max front axle (braked):9,921 lbs (4500 kg)

Electrical

Ground:negative
Battery volts:12
Charging amps:90 / 115
Charging system:alternator

Hydraulics

Type:closed center load sensing
Pressure:2900 psi (200.0 bar)
Pump flow:25.4 gpm (96.1 lpm)

Mechanical

Cab:standard
Drive:Four-wheel drive
Brakes:Wet disc brakes
Steering:hydrostatic power

Production

Type:Utility tractor
Series:6020 Series
Years produced:2001 - 2006

Transmission

Type:partial power shift
Gears:24 forward and reverse
Transmission:PowrQuad Plus / AutoQuad II

Tractor hitch

Rear Type:II/IIIN
Rear lift:16,360 lbs (7420 kg)

Power Take-off (PTO)

Rear PTO:independent
Rear PTO Type:540/1000

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