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Frequently Asked Questions

How Can I Find the Engine Serial / Model Number, Type & Trim?

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Learn how to identify a Briggs & Stratton engine by learning how to find the model & serial number, type and engine codes.

Briggs & Stratton Engine Identifier
Finding the Engine Model Number, Type & Code
Meaning of Model, Type & Engine Code Numbers

Briggs & Stratton Engine Identifier

How Do I Identify a Briggs & Stratton Engine?

The Model, Type and Code numbers, stamped directly into the engine, are used to identify our engines. Engines used in lawn mower applications usually have the model 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 code numbers may be covered. It may be necessary to remove this shroud in order to locate the Model, Type, and Code for engine identification.

Finding the Engine Model Number, Type & Code

To get step-by-step instructions on finding your engine model number, type or code, watch this short video:

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

Lawn Mower Engine Model Number
Model Numbers for Riding Mowers
Push Mower Engines Riding Mower Engines
Snowblower Engine Model Number
Model Numbers for Pressure Washer & Generator Engines
Snow Thrower Engines Utility Engines

Finding Model Numbers in OHV Generator Engines

Where Can I Find the Model Numbers, Type & Codes on OHV Generator Engines?


Many horizontal shaft, overhead valve engines have the serial and model numbers stamped into the OHV rocker cover. However, on certain overhead valve powered generators, the equipment manufacturer installs a decorative 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 number, type, and engine code.

If you need help identifying your Briggs & Stratton engine, please visit our engine model number locator guide to find these numbers.

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

Emissions Label on Briggs & Stratton Engines

Meaning of Model, Type & Engine Code Numbers

What do the Model, Type, and Code numbers mean on your engine?

To view a chart which explains our post 1965 model numbers, please visit our Numerical Designation System page.

For engines made BEFORE 1965, there would typically be a Model, Type and Serial number. For a more information on these engines, view the following website:

A.S.E.C.C. Briggs & Stratton Technical Data


If you’re looking for engine model numbers, type or code for any concerns, your best source of information would be a Briggs & Stratton Dealer. They have all the information relating to Briggs & Stratton engine warranty information, replacement parts, short blocks, pricing, service/repair, specifications, etc.

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