Briggs & Stratton 17.5HP OHV. 1″ Diameter x 3 5/32″ length shaft, tapped 7/16″ with 1/4″ keyway. AVS patented linear balancing system. 12 Volt electric start with 9 Amp alternator. Has Fuel pump, Has Oil Filter. NO fuel tank, NO muffler. Great replacement engine for lawn tractors, garden tractors, and wide area walk behinds. 2 year consumer/ 1 year commercial. The item “Briggs & Stratton 31R977-0054 17.5HP Intek Riding Mower Engine 1D x 3 5/32 NEW” is in sale since Wednesday, May 15, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “discountoutdoorparts-com” and is located in Bonner Springs, Kansas. This item can be shipped to United States.