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Briggs & Stratton 44S977-0033-G1 724cc 24 Gross HP Engine Replaces 44S877-0001-G1




FREE SHIPPING - Briggs & Stratton 44S977-0033-G1 Replaces 44S877-0001-G1 Vertical Engine, 724 cc 24.0 Gross HP, 1-1/8 inch x 4-5/16 inch Crankshaft, 12V Electric Start with 16A Alternator, No Muffler. 6-Pin connector wiring harness is NOT included. Genuine Briggs and Stratton engine.

Note-This engine has a 1-1/8" diameter crankshaft. The 44S977-0032-G1 has a 1" diameter crankshaft. Please contact us with your current engine's model and type number if you are not sure which one you need.


If the product you need is out of stock, please call for availability. Our inventory is updated on a daily basis.

  • Briggs & Stratton 44S977-0033-G1 vertical Professional Series engine is 724cc and puts out 24.0 gross HP. This Briggs & Stratton V-Twin has a 1-1/8" x 4-5/16" crankshaft. The engine has a 12V electric start with 16A alternator. A muffler and wiring harness are not included, but options are available for sale on our website. Briggs & Stratton Professional Series engines deliver the reliable, efficient power needed for riding lawn mowers and tractors. Buyer protection package provides a two-year limited consumer warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.