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

FeatureJohn Deere 3020TractorFarmall 806Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Weight3603.0 kg3855.0 kg
Transmission TypeFull power shift with hydraulic wet disc clutchTwo-speed power shift with dry disc clutch
Length351.0 cm408.0 cm
Years Made1964-19721963-1967
Engine ModelJohn DeereInterntional Harvester C301
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeLP-gasGasoline
Cylinders46
Displacement3949 cc4933 cc
Bore10.79 cm9.70 cm
Stroke10.79 cm11.20 cm
Rear PTO TypeIndependentIndependent
Rear PTO Speed540 /1000, 1000 RPM1.000, 540/1.000 RPM
Compression Ratio9.0:117.0:1
BatteryGas: 12V or diesel: 24VDiesel: Two 6V, 170 Ah,Gas/LP: 12V, 60Ah
StarterElectricElectric
Height222.0 cm205.0 cm
Wheelbase228.0 cm257.0 cm
Fuel Tank Capacity109.8 l177.9 l
Oil Capacity8.5 l—
Transmission Oil Capacity41.6 l—
Engine Oil TypeSAE 10W-30—
Transmission ModelJohn Deere PowershiftTorque Amplifier
Gears8 forward and 4 reverse16 forward and 8 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed10.0 km/h15.3 km/h
BrakesDifferential hydraulic wet discHydraulic dry disc
Differential LockRear optional—
Drawbar CategoryIIII/I
Cabin TypeOpen operator stationOpen operator station
Steering TypePower assistHydrostatic power
Front TiresAg: 6.00-16, 7.50-15Ag: 6.50-16
Rear TiresAg: 13.6-38, 15.5-38Ag: 15.5-38
Hydraulic TypeClosed centerOpen center
Total Flow75.7 LPM90.8 LPM
Working Pressure144.8 bar—
Valves1 to 3—
Horsepower—82.0 kW
Pump Flow—45.4 LPM
Rated RPM—2400 RPM
Coolant Capacity—22.7 l
Steering Flow—34.1 LPM
PTO Pump Flow—11.4 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