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

FeatureBolens 3212G ST120TractorBolens 3212H ST120Tractor
Tractor Main CategoryGarden and Lawn Care TractorsGarden and Lawn Care Tractors
Tractor TypeLawn TractorLawn Tractor
Horsepower8.9 kW8.9 kW
Weight210.0 kg210.0 kg
Transmission TypeBelt-driven gear typeBelt-driven hydrostatic
Length175.0 cm175.0 cm
Years Made1987-19921988-1992
Engine ModelBriggs & Stratton 281707Briggs & Stratton 281707
Engine Type4-stroke, air-cooled4-stroke, air-cooled
Fuel TypeGasolineGasoline
Cylinders11
Displacement465 cc465 cc
Bore8.71 cm8.71 cm
Stroke7.80 cm7.80 cm
Middle PTO TypeIndependent with electric clutchIndependent with electric clutch
Battery12 V, 45Ah12 V, 45Ah
StarterElectricElectric
Height107.0 cm107.0 cm
Width87.0 cm87.0 cm
Wheelbase114.0 cm114.0 cm
Fuel Tank Capacity18.9 l18.9 l
Oil Capacity1.4 l1.4 l
Transmission ModelPeerless 920Eaton 7
Gears5 forward and 1 reverseInfinite forward and reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed3.5 km/h4.5 km/h
BrakesDiscDisc
Cabin TypeOpen operator stationOpen operator station
Steering TypeManualManual
Front TiresAg: 15×6.00-6Ag: 15×6.00-6
Rear TiresAg: 20×8.00-10Ag: 20×8.00-10
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