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

FeatureJohn Deere 3120TractorJohn Deere 3320Tractor
Tractor TypeCompact Utility TractorCompact Utility Tractor
Horsepower22.1 kW24.2 kW
Weight1360.0 kg1620.0 kg
Lift Capacity1150.0 kg1150.0 kg
Transmission TypeHydrostaticHydrostatic
Length305.0 cm305.0 cm
Pump Flow32.6 LPM32.6 LPM
Years Made2005-20082005-2013
Engine ModelYanmar 3TNV84Yanmar 3TNV88
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders33
Displacement1496 cc1624 cc
Bore8.41 cm8.79 cm
Stroke8.99 cm8.99 cm
Rear PTO TypeIndependentIndependent
Rear PTO Speed540 RPM540 RPM
Middle PTO TypeIndependentOptional
Middle PTO Speed2100 RPM2100 RPM
Torque Power1560 RPM1560 RPM
Torque Speed90.4 N·m100.2 N·m
Rated RPM2600 RPM2600 RPM
Compression Ratio18.5:118.5:1
Battery12 V, CCA 500A12 V, CCA 500A
StarterElectricElectric
Height236.0 cm227.0 cm
Wheelbase172.0 cm172.0 cm
Fuel Tank Capacity51.0 l44.7 l
Oil Capacity4.8 l4.8 l
Coolant Capacity5.3 l7.0 l
Hydraulic Capacity25.7 l23.8 l
Front Hubs Capacity4.5 l—
Transmission ModelSauer-Danfoss eHydroeHydro AutoHST
GearsInfinite forward and reverseInfinite forward and reverse
Chassis4×4 MFWD 4WD4×4 MFWD 4WD
Max. Travel Speed30.6 km/h30.6 km/h
BrakesWet discWet disc
Drawbar CategoryII
Cabin TypeOpen operator station with two-post ROPSTwo-post foldable ROPS or Cab .
Steering TypePowerPower
Front TiresAg: 7-14Ag: 7-14Lawn/turf: 27×8.5-15, 25×10.5LL-15Industrial: 25×8.5-14, 27×8.5-15
Rear TiresAg: 11.2-24Ag: 11.2-24Lawn/turf: 41×14-20, 41x18LL-16.1Industrial: 15-19.5, 43×16-20
Hydraulic TypeOpen centerOpen center
Total Flow52.6 LPM52.6 LPM
Steering Flow20.1 LPM20.1 LPM
Valves55
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