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

FeatureJohn Deere 7930TractorJohn Deere 7920Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower164.2 kW155.1 kW
Weight8040.0 kg8150.0 kg
Lift Capacity6350.0 kg6350.0 kg
Transmission TypeInfinitely Variable TransmissionInfinitely variable transmission
Length571.0 cm538.0 cm
Years Made2007-20112004-2007
Engine ModelJohn DeereJohn Deere
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6784 cc8128 cc
Bore10.59 cm11.61 cm
Stroke12.70 cm12.90 cm
Rear PTO TypeIndependent with hydraulic wet disc clutchIndependent with hydraulic wet disc clutch
Rear PTO Speed1000 or 540/1000 RPM540 /1000 or 1000 RPM
Torque Power1600 RPM1400 RPM
Torque Speed874.6 N·m969.1 N·m
Rated RPM2100 RPM2100 RPM
Compression Ratio17.0:116.5:1
Battery2 x12V, CCA: 935ATwo 12V, CCA 925A
StarterElectricElectric
Height310.0 cm318.0 cm
Wheelbase286.0 cm286.0 cm
Fuel Tank Capacity355.8 l358.4 l
Oil Capacity26.0 l24.0 l
Hydraulic Capacity108.0 l107.9 l
GearsInfinite forward and reverseInfinite forward and reverse
Chassis4×4 MFWD 4WD4×4 MFWD 4WD
Max. Travel Speed40.2 km/h40.2 km/h
BrakesHydraulic wet discHydraulic wet disc
Drawbar CategoryIIIIII/IIIN
Cabin TypeCab with air-conditioningCab
Steering TypePowerHydrostatic power
Front TiresAg: 420/90R30Ag: 420/90R30
Rear TiresAg: 480/80R46Ag: 480/80R46
Hydraulic TypeClosed center load-sensingClosed-center pressure-flow compensated
Total Flow151.4 LPM—
Working Pressure199.9 bar210.0 bar
Valves2 to 77
Pump Flow—121.9 LPM
Ground Clearance—56.0 cm
Coolant Capacity—33.2 l
Front Hubs Capacity—14.4 l
Transmission Model—AutoPowr IVT
SCV Flow—113.6 LPM
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