Simplicity 3212H lawn tractor

Simplicity 3212H

Power

12 hp

Production

1970

Engine

Gasoline, 1-cylinder

Transmission

Hydrostatic

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Introduction

Simplicity 3212H Garden Tractor

The Simplicity 3212H is a garden tractor manufactured by Simplicity in 1970, belonging to the 3000 series. Designed for residential lawn maintenance, this model is recognized for its hydrostatic drive system and compatibility with various mower decks.

Engine and Performance

The tractor is powered by a Briggs & Stratton 300421 gasoline engine. This single-cylinder, air-cooled unit features a 494 cc displacement and produces 12 hp (8.9 kW). The engine utilizes a horizontal shaft configuration and is equipped with a 12-volt electric starter for reliable ignition.

Transmission and Drivetrain

The 3212H utilizes a hydrostatic transmission, providing the operator with infinite forward and reverse speed control without the need for manual gear shifting. Power to attachments is managed through an independent mid-power take-off (PTO), which is engaged via a mechanical idler pulley clutch system.

Chassis and Dimensions

The machine features an open operator station with manual steering for direct control. The wheelbase measures 48 inches (121 cm), with an overall length of 72 inches (182 cm) and a width of 34.5 inches (87 cm). It is equipped with lawn and turf tires, sized 16x6.50-8 on the front and 23x10.50-12 on the rear, designed to minimize surface impact during operation.

Conclusion

The Simplicity 3212H serves as a versatile utility platform for garden maintenance, specifically optimized for use with 42-inch or 48-inch mower decks. Its simple mechanical design and hydrostatic transmission make it a representative example of 1970s garden tractor engineering.

Production Information of Simplicity, 3212H

  • Garden tractor
ManufacturerSimplicity

Dimension and Tires Information of Simplicity, 3212H

Wheelbase48 inches [121 cm]
Height37.75 inches [95 cm]
Length72 inches [182 cm]
Width34.5 inches [87 cm]
Lawn/turf front16x6.50-8
Lawn/turf rear23x10.50-12

Engine Specifications of Simplicity, 3212H

  • Briggs & Stratton 300421
  • Air-cooled horizontal-shaft
  • Gasoline
  • 1-cylinder
Power12 hp [8.9 kW]
Displacement494 cc [30.16 ci]
StarterElectric
Bore/Stroke3.4375x3.25 inches [87 x 83 mm]
Starter volts12

Transmission Information of Simplicity, 3212H

Transmission variants 1

TypeHydrostatic
GearsInfinite forward and reverse

Mechanical Specs of Simplicity, 3212H

  • Manual steering
  • Open operator station.

Power Information of Simplicity, 3212H

Mid PTOIndependent
ClutchMechanial idler pulley

Electrical System of Simplicity, 3212H

GroundNegative
Battery volts12

Where it sits

With 12 HP, the Simplicity 3212H sits just below 3314H (14 HP) in Simplicity's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).

Frequently asked questions

How much horsepower does the Simplicity 3212H have?

The Simplicity 3212H delivers 12 HP.

What years was the Simplicity 3212H produced?

The Simplicity 3212H was produced in 1970.

What engine does the Simplicity 3212H have?

The Simplicity 3212H is powered by a Gasoline, 1-cylinder engine.

What transmission does the Simplicity 3212H use?

The Simplicity 3212H uses a Hydrostatic transmission.

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