What is the power measurement for my walk/push mower engine?



Most walk mowers equipped with Briggs & Stratton engines fall into a common power range. The amount of power your engine provides determines the amount of work you can do. All Briggs & Stratton engines are sized in cubic centimeters (cc) and will be rated in one of the power ratings* below.

-Horsepower (HP) is the amount of raw potential an engine can generate. HP ratings are stated as gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton.

-Kilowatt (kW) is the metric equivalent of Horsepower.

-Torque Power (TQ) is the amount of rotational power that can be. TQ ratings are stated as gross torque at 2600 RPM per SAE J1940 as rated by Briggs & Stratton.

For more information on engine power ratings, click here.

Series Displacement  Gross HP 
(@ 3600 rpm)
Gross kW 
(@ 3600 rpm)
Gross TQ
450 125cc 2.75 2.05 4.50
500 140cc 2.99 2.23 5.00
550 140cc 3.41 2.54 5.50
625 150cc 3.88 2.89 6.25
675 163cc 3.56 2.65 6.75
725 163cc 4.10 3.06 7.25
775 175cc 5.10 3.80 7.75
850 190cc 5.59 4.17 8.50
875 190cc 5.80 4.33 8.75
950 223cc 5.69 4.24 9.50
1000 223cc 6.24 4.65 10.00

*Power Ratings are the gross power rating for individual gasoline engine models is labeled in accordance with SAE (Society of Automotive Engineers) code J1940 Small Engine Power & Torque Rating Procedure, and is rated in accordance with SAE J1995.


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