Amazon.com: Briggs & Stratton 19L232-0036-F1 305cc 10.0 Gross HP Vanguard Engine with a 1-Inch Diameter by 2-29/32-Inch Crankshaft Tapped 3/8-24-Inch : Patio, Lawn & Garden
Amazon.com: Briggs and Stratton Vertical 17.5 HP 500cc INTEK Engine 9amp 1" x 3-5/32" #31R977-0054 : Patio, Lawn & Garden
Amazon.com : Briggs & Stratton 49T877-0004-G1 Commercial Turf Series 27 Gross HP 810cc V-Twin with Cyclonic Air Filter and 1-1/8-Inch by 4-5/16 : Patio, Lawn & Garden