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Model Sovereign 3112
Engine 12 hp Briggs & Stratton, Model No. 300421, 4 cycle, single cylinder, horizontal crankshaft engine. Air-cooled with mechanical governor. "Synchro-balanced engine," reducing vibrations 60% vertically and 85% horizontally. Stellite exhaust valves with Stellite seat for longer life.
Transmission  Hydrostatic drive gives finger-tip speed control, eliminating gear shifting. Choice of Hydrostatic or Variable Speed Drive. 
Speeds  Hydrostatic drive gives infinite number of speeds forward up to 6.9 mph.  Variable Speed Drive forward speeds vary from 0.8 to 6.6 mph. Reverse speeds up to 3.4 mph.
Starter Easy-Spin electric starter, 12-volt system with 40 amp battery, key ignition switch, 3-stage voltage regulator.
Clutch-Brake  Combination clutch-brake for positive control. Depressing clutch halfway declutches unit, depressing all the way down applies brake.
Traction  Controlled Traction Differential--when one wheel is on slippery surface, other rear wheel continues to drive.
Turning Radius  31 inches on inside wheel.
Steering  Steering ratio 4.1 to 1 gear reduction. 
Dimensions Without attachments--34 inches wide x 72 inches long x 37 inches high.
Tires Pneumatic tires 23 x 8.50 x 12 in rear and 18 x 6.50 x 8 in front
Seat Deluxe foam rubber bucket seat.

[Source: Simplicity -- for picture perfect outdoor maintenance, 1969 Product Catalog, Form No. 868, courtesy of John Boesch]




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