Simplicity lawn tractors

Simplicity Sovereign 3415S

The Simplicity Sovereign 3415S is a 1972 garden tractor from the Sovereign Series, built in Port Washington, Wisconsin, USA. It features a 15 hp Briggs & Stratton 531cc 1-cylinder gasoline engine with electric start and a 3-gallon fuel tank. The transmission is a 4-speed shuttle type with 4 forward and reverse gears. It has two-wheel drive, manual steering, and an open operator station. The tractor includes a mid PTO with an independent clutch using a mechanical idler pulley. Dimensions include a 48-inch wheelbase, 67-inch length, 36-inch width, and 39.25-inch height. Tires are 16x6.50-8 front and 23x10.50-12 rear. Electrical system is 12 volts with negative ground. Attachments available include 42" and 48" mid-mount mower decks, snowblowers, and blades. Variants include the 3415S shuttle and 3415H hydrostatic models.
Power-
Founded-
Model3415S

Technical Specifications

Detailed specifications and technical data for Simplicity Sovereign 3415S

Tires
Rear tire23x10.50-12
Front tire16x6.50-8
Engine
Coolingair-cooled horizontal-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank3 gal (11.4 L)
Fuel typegasoline
Bore/Stroke3.5625x3.25 inches (90 x 83 mm)
Displacement531 cc (32.4 ci)
Engine DetailBriggs & Stratton 325421
Power (gross)15 hp (11.2 kW)
Starter volts12
Variants
3415Hhydrostatic
3415Sshuttle
Dimensions
Width36 inches (91 cm)
Height39.25 inches (99 cm)
Length67 inches (170 cm)
Wheelbase48 inches (121 cm)
Electrical
Groundnegative
Battery volts12
Mechanical
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Production
TypeGarden tractor
Year1972
SeriesSovereign Series
Built inPort Washington, Wisconsin, USA
Attachments
Blade42" and 46" front-mount, manual-lift, manual-angle
Snowblower36" and 42" front-mount, manual-lift
42" mid-mount mower deck42 inches (106 cm), 3-blade
48" mid-mount mower deck48 inches (121 cm), 3-blade
Transmission
Typeshuttle
Gears4 forward and reverse
Power Take-off (PTO)
Clutchmechanical idler pulley
PTO typeindependent
PTO locationMid PTO