Lawn Tractor · 1958Unverified
Simplicity 450
Simplicity 450 — Wonder Boy Series · 5 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
5 hp
Hover a source tag to verify
Overview
ManufacturerSimplicityReference
Riding lawn mowerReference
Built in Port Washington, Wisconsin, USAReference
Original price was $290 in 1960Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
4.5HP Briggs & Stratton 231cc 1-cyl gasolineReference
Briggs & Stratton 141302Reference
gasolineReference
1-cylinderReference
air-cooledReference
Displacement14.1 ciReference
Bore/Stroke70 x 60 mmReference
Power (gross)3.4 kWReference
Startermanual recoilReference
StarterelectricReference
Starter volts12Reference
Transmission
2-speed gearReference
Typebelt-driven gearReference
Gears2 forward and reverseReference
Dimensions
Front tire10x2.50Reference
Rear tire4.00x8Reference
Lawn/turf front10x2.50Reference
Lawn/turf rear4.00x8Reference
Simplicity 450 attachments
24" mid-mount mower deckReference
bladeReference
Attachment overview
24" mid-mount mower deckReference
BladeReference
24" Mower deck
Typemid-mount Simplicity 990122Reference
Type1-blade with manual liftReference
Cutting width60 cmReference
Cut height3 to 8 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.