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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureJohn Deere 6620 PremiumTractorInternational Harvester 1086Tractor
Tractor TypeUtility TractorRow-Crop Tractor
Horsepower93.3 kW97.0 kW
Weight5340.0 kg5767.0 kg
Lift Capacity7420.0 kg—
Transmission TypeInfinitely variable transmissionPartial power shift
Length472.0 cm429.0 cm
Pump Flow96.1 LPM45.4 LPM
Years Made2003-20061976-1981
Engine ModelJohn Deere 6068T 4V-CRInternational Harvester DT414
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6785 cc6784 cc
Bore10.59 cm10.90 cm
Stroke12.70 cm12.09 cm
Rear PTO TypeIndependent with electro-hydraulic clutchIndependent
Rear PTO Speed540 /540E/1000 RPM540 /1000 RPM
Front PTO Speed1000 RPM—
Torque Power1700 RPM—
Torque Speed535.1 N·m—
Rated RPM2300 RPM—
Battery12 VTwo 12V CCA 480
StarterElectricElectric
Height285.0 cm320.0 cm
Wheelbase264.0 cm269.0 cm
Ground Clearance52.0 cm—
Fuel Tank Capacity207.0 l238.5 l
Oil Capacity19.5 l18.9 l
Transmission ModelAutoPowr IVTTorque Amplifier
GearsInfinite forward and reverse16 forward and 8 reverse
Chassis4×4 MFWD 4WD4×2 2WD or 4×4 MFWD 4WD
BrakesHydraulic wet discHydraulic disc
Differential LockElectro-hydraulic wet disc—
Drawbar CategoryII/IIINII/III
Cabin TypeCabCab standard
Hitch TypeElectronic lower link draft control—
Steering TypeHydrostatic powerHydrostatic power
Front TiresAg: 420/70R28Ag: 10.00-16 ; 13.6-24
Rear TiresAg: 18.4R38Ag: 18.4-38
Hydraulic TypePressure flow compensatingOpen center
Working Pressure199.9 bar—
Coolant Capacity—23.7 l
Transmission Oil Capacity—85.2 l
Hydraulic Capacity—85.2 l
Max. Travel Speed—16.3 km/h
Valves—2
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051