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Unofficial Home of Old Simplicity & Allis-Chalmers Garden Tractors

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    Sovereign Specifications


    engineering features that invite comparison!

    Sovereign 3012

    SPECIFICATIONS OF ENGINE: 12 hp Briggs & Stratton, Model No. 300421, 4 cycle, single cylinder.

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    syncro_balance1.jpg (43975 bytes)

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    syncro_balance2.jpg (31497 bytes)

    "SYNCRO-BALANCED" DESIGN: Vibration-free as an engine can be! Counter rotating, counter balancing weights on the Sovereign engine's crank shaft reduce vertical vibration by 60% and horizontal vibration as much as 85%, compared to an engine of conventional design. This engineer ing feat provides smoothness never before achieved in an industrial single cylinder engine . . . smoothness that not only adds to rider comfort, but prolongs machine and equipment life

    SPECIFICATIONS OF UNIT:  All gear transmission · . . controlled traction . . . variable speed drive (see details at right) . . . steering ratio 4.1 to 1 .... turning radius 31-1/2" inside . . . brake-clutch combination . . . optional hydraulic lift . . . conveniently located controls . . . power take-off available to front, center and rear, eliminating costly extra engines.., dimensions without attachments 34 ½" wide x 72" long x 33 ½" high . . . pneumatic tires 23 x 8.50 x 12 in rear and 18 x 6.50 x 8 in front.

    VARIABLE SPEED DRIVE: Eliminates the frequent shifting common to many other tractors. Instant speed changes can be made by simply moving the variable speed lever. Forward speeds vary from 0.8 to 6.6 mph. Reverse speeds vary from 1.7 mph to 3.4 mph.


    [Source: Brochure, IMPROVE YOUR LOT IN LIFE .....WITH SIMPLICITY, Form 868, 1969, courtesy of William Harm]

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