How old is my Briggs & Stratton unit?
Briggs & Stratton is part of Briggs & Stratton (KPS Capital). 1 serial format sourced across generator.
Serial number decoder for Briggs & Stratton
Type the serial from the data plate, not the model number. Nothing is sent anywhere; the tables are in this page.
Format example: 99011556
- Briggs & Stratton generator serial numbers in the 1965 to present format encode the year as digits 1-2 of the engine code (YY; 99 = 1999) and the month as digits 3-4, day as digits 5-6 (source: briggsandstratton.com).
- Example: serial 99011556 decodes to January 1999.
Decoder pages by product
Format eras
- 1965 to present VERIFIED
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Official lookup
No online serial lookup was found for Briggs & Stratton in our research. The manufacturer's customer service line, the installer's invoice, or a printed date on the plate are the remaining authorities.
What we could not confirm
- No official online lookup URL was verified for Briggs & Stratton.
- OFFICIAL: engine CODE number (stamped on the engine, distinct from Model and Type) = YY MM DD + plant/line digits, since 1965. Applies to the engine on B&S-powered generators; the generator's own serial is separate. Pre-1965: B&S antique dating chart. No lookup tool.