Horizontal Shaft Replacement Engine Specifications
What are the specifications of your horizontal shaft service replacement engines?
Service replacement engine specifications for our horizontal shaft models are available through the links below. These PDF files provide the measurements of the engine, specification information, and other valuable dimensions, numbers, etc. that will assist you in seeking a replacement engine. For further assistance determining a replacement for your engine, please see below.
PLEASE NOTE: The engines listed in this catalog are meant to fit a wide variety of equipment and may NOT necessarily be the exact engine you have currently on your equipment or the one that you are planning on purchasing. However, comparing an engine in this catalog to one with a similar horsepower and engine name will provide a general idea of the specification.
Engine mounting hardware is NOT included with new replacement engines. If replacing an engine on an existing application, reusing the current mounting hardware is recommended. If the engine is to be installed on a new application, self-tapping mounting bolts are generally needed as engine mounting holes are blank. For additional information regarding mounting bolts and torque values, please review our Engine Mounting Hardware PDF.
For a listing of our vertical service replacement engines, please visit our Vertical shaft replacement engine specifications FAQ.
For specification information on our liquid cooled engines, please visit our B & S Liquid Cooled Specifications FAQ.
Engine Replacement Assistance
If you are unsure which engine can be used for your equipment, or would like to know if you can upgrade your existing engine, please feel free to send us an e-mail via our Ask A Question
In order to assist you with locating a replacement engine, shortblock, we need:
If replacing a Briggs & Stratton manufactured engine: The engine's complete, STAMPED Model, Type, and Code numbers.
For assistance in locating these numbers, please visit the Find Your Model Number page and our Model, Type, and Code on OHV Engines Powering Generators and How do I identify a Briggs & Stratton engine? FAQs.
If not a Briggs & Stratton manufactured engine: Engine brand, power rating, and model number. (ex. Tecumseh 10 HP Model HMSK 22-22222d).
Equipment information including brand name, type and model numbers (ex. John Deere Model 316 lawn tractor).
In order to respond to your concerns quickly and accurately, please have as much information as possible.
If you need to modify the engine’s existing electrical system to match a replacement engine, please view our Electrical Schematic/Wiring Diagrams FAQ.
In any case, since we do not sell factory direct, and since we cannot know for certain if any of the above engines will fit without examining the equipment, or of modifications that may be necessary to put the engine into service, I suggest consulting a Briggs & Stratton Authorized Dealer located in your area. This Service Dealer has all the information relating to Briggs & Stratton warranty information, engines, short blocks, parts, prices, service, specifications, etc.
For your convenience, we offer three easy ways to locate your nearest Briggs & Stratton Authorized Dealers:
Use our website's Service Dealer Locator.
Visit www.yellowpages.com and enter "Lawn Mowers" or "Engines-Gasoline" in the Category search field and your Postal Code in the Location search field.
Call the Briggs & Stratton Automated Hotline at (800) 444-7774. This hotline is available 24 hours a day/7 days a week and features voice recognition technology to assist you in finding the Briggs & Stratton Authorized Dealers in your area. Automated maintenance tips, product information, and FAQs are also offered through voice activated menus.
Engines are available for online purchase through Parts Nationwide.
Engine Power Rating Information
The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automotive Engineers) code J1940 (Small Engine Power & Torque Rating Procedure), and rating performance has been obtained and corrected in accordance with SAE J1995 (Revision 2002-05). Torque values are derived at 2600 RPM; horsepower values are derived at 3600 RPM. Actual gross engine power will be lower and is affected by, among other things, ambient operating conditions and engine-to-engine variability. Given both the wide array of products on which engines are placed and the variety of environmental issues applicable to operating the equipment, the gas engine will not develop the rated gross power when used in a given piece of power equipment (actual "on-site" or net horsepower). This difference is due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor, fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for this Series engine.
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