Briggs & Stratton 83132-1036-F1 horizontal XR Professional series engine is 127cc and puts out 5.50 gross torque. This XR has a 5/8″ x 2-27/64″ threaded crankshaft. Briggs & Stratton XR Professional Series engines feature OHV technology, dual ball bearings, cast iron cylinder sleeves and other durable components that result in a longer life and easy operation to meet your needs in the toughest conditions. Common applications for Briggs utility engines include tillers, log splitters, water pumps, portable generators, pressure washers and more. Buyer protection package provides two-year limited consumer engine warranty. 50-State CARB Compliant. All engines purchased from us ship for free and are foam packed for added protection during transit.