Lawn Tractor · 1972Unverified
Simplicity Sovereign 3415S 990758
Simplicity Sovereign 3415S 990758 — Sovereign Series · 15 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
15 hp
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Overview
ManufacturerSimplicity (a part of Allis Chalmers)Reference
Garden tractorReference
Built in Port Washington, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Variants
3415SshuttleReference
3415HhydrostaticReference
Engine
15HP Briggs & Stratton 531cc 1-cyl gasolineReference
Fuel tank11.4 LReference
Briggs & Stratton 325421Reference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Displacement32.4 ciReference
Bore/Stroke90 x 83 mmReference
Power (gross)11.2 kWReference
StarterelectricReference
Starter volts12Reference
Transmission
4-speed shuttleReference
TypeshuttleReference
Gears4 forward and reverseReference
PTO & Hydraulics
Mid PTOindependentReference
Clutchmechanial idler pulleyReference
Dimensions
Wheelbase121 cmReference
Front tire16x6.50-8Reference
Rear tire23x10.50-12Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x10.50-12Reference
Length170 cmReference
Width91 cmReference
Height99 cmReference
Simplicity 3415S attachments
42" mid-mount mower deckReference
48" mid-mount mower deckReference
snowblowerReference
bladeReference
Electrical
GroundnegativeReference
Battery volts12Reference
Attachment overview
42" mid-mount mower deckReference
48" mid-mount mower deckReference
SnowblowerReference
BladeReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.