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Lawn Tractor · 1965Unverified
Simplicity 401 990357
Simplicity 401 990357 — Wonder Boy Series · 4 hp. Reference specifications; pending source verification.
The Simplicity 401 990357 is a compact lawn tractor model with a rated output of 4 hp, making it suitable for smaller-scale applications. This model was manufactured from 1965 to 1966 and features a 1-cylinder petrol air-cooled engine. It is equipped with two-wheel drive and a 2-speed gearbox, and is designed for use on areas of up to 200 ac.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
4 hp
Catalogue coverage
Variants represented
2
Richest spec table
21 rows
Recorded power
4 hp
Transmissions
2-speed gear
Production years
1965-1966
Verified variants
0
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Hover a source tag to verify
Overview
ManufacturerSimplicity (a part of Allis Chalmers)Reference
Riding lawn mowerReference
Built in Port Washington, Wisconsin, USAReference
Original price was $340 in 1966Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
4HP Briggs & Stratton 1-cyl gasolineReference
Briggs & StrattonReference
gasolineReference
1-cylinderReference
air-cooledReference
Power3.0 kWReference
Starter typemanual recoilReference
Transmission
2-speed gearReference
Typebelt-driven gearReference
Gears2 forward and reverseReference
Simplicity 401 attachments
24" mid-mount mower deckReference
24" Mower deck
Typemid-mount SimplicityReference
Type1-bladeReference
Cutting width60 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.
