ToftThis covers Briggs & Stratton, Briggs and Stratton, Briggs. The serial number is on the engine, usually on the metal shroud near the flywheel, as the number after "Code" beside the model and type numbers. Type the engine's code number, not the generator's frame serial number.
Eight digits. The first two are the year, then the month, then the day. The last two are the plant and line.
Example: 99011556 was made in January 1999.
This is the date the unit was made. It was usually installed soon after, but it can be later. If a serial doesn’t fit any of these patterns, look on the label for a printed manufacture date.
Checked in October 2026.
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