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

FeatureJohn Deere 7420TractorJohn Deere 7520Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower100.8 kW111.9 kW
Weight6025.0 kg6025.0 kg
Lift Capacity3945.0 kg3950.0 kg
Transmission TypeInfinitely Variable Transmission available with MFWD onlyInfinitely variable transmission
Length516.0 cm516.0 cm
Pump Flow101.1 LPM101.1 LPM
Years Made2003-20072003-2007
Engine ModelJohn Deere PowerTech 6068HF475John Deere PowerTech 6068HF475
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6784 cc6784 cc
Bore10.59 cm10.59 cm
Stroke12.70 cm12.70 cm
Rear PTO TypeIndependent with electro-hydraulic clutchIndependent with electro-hydraulic clutch
Rear PTO Speed540 /1000 RPM540 /1.000 RPM
Front PTO TypeIndependentIndependent
Front PTO Speed1.000 RPM1.000 RPM
Torque Power1500 RPM1500 RPM
Torque Speed610.2 N·m615.6 N·m
Rated RPM2100 RPM2100 RPM
Compression Ratio17.0:1—
Battery12 V, CCA 850A12 V, CCA 850A
StarterElectricElectric
Height289.0 cm289.0 cm
Wheelbase264.0 cm264.0 cm
Ground Clearance52.0 cm52.0 cm
Fuel Tank Capacity207.0 l249.8 l
Oil Capacity21.0 l21.0 l
Coolant Capacity28.0 l28.0 l
Transmission Oil Capacity56.0 l65.9 l
Final DriveInboard planetary—
GearsInfinite forward and reverseInfinite forward and reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×4 MFWD 4WD
Max. Travel Speed30.6 km/h40.2 km/h
BrakesHydraulic wet discHydraulic wet disc
Differential LockElectro-hydraulic rear—
Drawbar CategoryIIII/IIIN
Cabin TypeComfortGard Cab with air-conditioning.ComfortGard Cab or Open station with two-post ROPS
Steering TypePowerPower
Front TiresAg: 14.9R28Ag: 14.9R28
Rear TiresAg: 18.4R38Ag: 18.4R38
Hydraulic TypeClosed-center PFCClosed-center PFC
Valves44
Transmission Model—John Deere Infinitely Variable Transmission
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