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

FeatureSears Suburban 12TractorSimplicity 4212Tractor
Tractor Main CategoryGarden and Lawn Care TractorsGarden and Lawn Care Tractors
Tractor TypeGarden TractorLawn Tractor
Horsepower8.9 kW8.9 kW
Weight318.0 kg—
Transmission TypeBelt-driven gearBelt-driven hydrostatic
Length165.0 cm160.0 cm
Years Made1966-19711987-1989
Engine ModelTecumseh HH120Briggs & Stratton
Engine Type4-stroke, air-cooled4-stroke, air-cooled, inline
Fuel TypeGasolineGasoline
Cylinders11
Displacement453 cc468 cc
Bore8.89 cm8.71 cm
Stroke7.29 cm7.80 cm
Rated RPM3600 RPM3600 RPM
Battery12 V12 V
StarterElectricElectric
Height100.0 cm100.0 cm
Width88.0 cm86.0 cm
Wheelbase110.0 cm115.0 cm
Transmission Oil Capacity4.7 l—
Gears6 forward and 2 reverseInfinite forward and reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed3.7 km/h4.8 km/h
BrakesMechanical band—
Drawbar CategorySears 3-Point—
Cabin TypeOpen operator stationOpen operator station
Steering TypeManualManual
Front TiresLawn/turf1966: 4.80-81967-1971: 16.5.50-8Lawn/turf: 15×6.00-6
Rear TiresLawn/turf1966: 7.50-121967-1969: 22.5×7.50-121970-1971: 23×7.50-12Lawn/turf: 18×8.50-8
Ground Clearance—15.0 cm
Fuel Tank Capacity—8.3 l
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