John Deere 6620 Premium: all source data
All 55 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Utility tractor |
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Engine| (no label) | John Deere 6.8L 6-cyl diesel |
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| Fuel tank | 54.7 gal | 207.0 L |
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Transmission| (no label) | 24-speed partial power shift |
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Power| Engine (net) | 125 hp | 93.2 kW |
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| PTO (claimed) | 110 hp | 82.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Steering | hydrostatic power |
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| (no label) | Wet disc brakes |
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| (no label) | Cab standard. |
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Hydraulics| Type | closed center load sensing |
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| Pressure | 2900 psi | 200.0 bar |
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| Pump flow | 25.4 gpm | 96.1 lpm |
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Hitch| Rear Type | II/IIIN |
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| Rear lift | 16,360 lbs | 7420 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 540/1000 |
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Dimensions| Weight | 11,532 lbs | 5230 kg |
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| Front tire | 14.9R28 |
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| Rear tire | 18.4R38 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 90 |
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| Charging amps | 115 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere 6068T |
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| (no label) | turbocharged intercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 414.1 ci | 6.8 L |
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| Bore/Stroke | 4.19x5.00 inches | 106 x 127 mm |
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| Rated Power (net) | 125 hp | 93.2 kW |
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| Rated RPM | 2300 |
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| Idle RPM | 850-2460 |
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| Operating RPM | 1300-2300 |
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| Torque | 392.0 lb-ft | 531.6 Nm |
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| Torque RPM | 1500 |
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| Firing order | 1-5-3-6-2-4 |
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| Starter | electric |
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| Starter volts | 12 |
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| Intake valve clearance | 0.014 inches | 0.356 mm |
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| Exhaust valve clearance | 0.018 inches | 0.457 mm |
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Transmission
Transmission| Transmission | PowrQuad Plus |
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| Type | partial power shift |
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| Gears | 24 forward and reverse |
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| Transmission | AutoQuad II |
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| Type | partial power shift |
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| Gears | 24 forward and reverse |
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Dimensions
Tires| Standard tires (ag) | Front: 14.9R28. Rear: 18.4R38 |
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Weight| (no label) | 11,532 lbs | 5230 kg |
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| Max capacity (Max) | 18,740 lbs | 8500 kg |
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| Max front axle | 9,039 lbs | 4100 kg |
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| Max front axle | 9,921 lbs (braked axle) | 4500 kg |
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| Max rear axle (Max) | 15,210 lbs | 6899 kg |
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