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The Briggs & Stratton S3500 is a gas portable generator for home backup and RV or job-site power. It delivers 3500 running watts and 4375 peak watts from a 208cc Briggs & Stratton OHV engine, with a 5-gallon tank rated for up to 14 hours at half load. Its CO Guard shuts the unit down when carbon monoxide builds up, and it adds low-oil shutdown, overload protection and automatic voltage regulation. It is a straightforward recoil-start unit, so it suits buyers who want simple, proven power rather than push-button convenience or inverter-quiet output.
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Lowest price we've seen: $594.99 on Nov 9 at Tractor Supply Co. Tracked across 1 store since Nov 9.
Owners of the S3500 line generally report dependable starting and steady power for essentials, and they value the CO Guard safety shutoff. Common complaints center on noise and the pull-start effort, and some wish for an electric start or a 240V outlet.
The Briggs & Stratton S3500 is a portable generator that produces 3500 continuous watts and 4375 peak watts of 120V power. It runs on a 208cc OHV Briggs & Stratton 4-stroke gas engine with recoil start. The open-frame construction uses polypropylene, steel and aluminum.
It has a 5-gallon fuel tank and runs up to 14 hours at 50% load. Automatic Voltage Regulation provides stable 60 Hz output at 30 amps and 120V.
Safety features include CO detection and shutoff certified to ANSI/PGMA G300, a low-oil shutoff sensor and automatic overload protection.
