Briggs & Stratton Engine Identification

How do I identify a B & S engine?

The Model, Type, and Code numbers, stamped directly into the engine, are used to identify our engines. Engines used in lawnmower applications usually have these numbers stamped directly into the blower housing, muffler heat shield, or a few inches above the spark plug. Depending on the style of engine shroud used, the engine numbers may be covered. It may be necessary to remove this shroud in order to locate the Model, Type, and Code.

Please view our "Find your engine Model, Type, and Code" Video:

Additional Model, Type, and Code location videos, grouped by the type of equipment the engine powers,are also available below:

Push Mower Engines

Riding Mower Engines

Snow Thrower Engines

Utility Engines

Many horizontal shaft, overhead valve engines have these numbers stamped into the OHV rocker cover. However, on certain overhead valve powered generators, the equipment manufacturer installs a decorative chrome rocker cover
Chrome Rocker Cover OVER our cover. If your engine has a decorative cover, it may be necessary to remove it in order to locate the Model, Type, and Code.

Please visit our Identify Your Model Number page for help in finding the engine’s numbers. For an explanation of our numbering system, please visit our Numerical Designation System page.

Also, be aware that the numbers found on the Engine Emissions Label
Engine Emissions Label can be confused with the engine Model, Type, and Code. Unfortunately, these numbers cannot be used to identify your engine.

Listed below are a number of our most common engines. Click on the image caption links for a more accurate image of the engines' Model, Type, and Code locations.

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