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

FeatureJohn Deere 620TractorFarmall MTractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Weight3085.0 kg3070.0 kg
Transmission TypeUnsynchronized gear with mechanical dry disc clutchSliding gear
Length373.0 cm337.0 cm
Pump Flow33.7 LPM—
Years Made1956-19581939-1954
Engine ModelJohn DeereInternational Harvester C248
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeGasolineGasoline
Cylinders24
Displacement4965 cc4059 cc
Bore14.00 cm9.80 cm
Stroke16.21 cm13.31 cm
Rear PTO Speed540 RPM540 RPM
BatteryTwo 6V6 V
StarterElectric—
Height245.0 cm198.0 cm
Wheelbase228.0 cm—
Fuel Tank Capacity125.0 l79.5 l
Oil Capacity7.6 l7.6 l
Coolant Capacity24.6 l22.7 l
Transmission Oil Capacity22.7 l—
Transmission ModelJohn Deere—
Gears6 forward and 1 reverse5 forward and 1 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed4.8 km/h5.0 km/h
BrakesDifferential mechanical contracting bandMechanical contracting band
Drawbar CategoryII—
Cabin TypeOpen operator stationOpen operator station
Steering TypePower assistManual
Front TiresAg: 6.00-16, 7.50-20Ag: 6.00-16, 22.50×4
Rear TiresAg: 12.4-38, 13-30Ag: 11-38, 51×8 , 10-38, 12-38, 11.25-36
Working Pressure82.7 bar55.2 bar
Valves1 or 2—
Compression Ratio—5.65:1
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