5.5 Torque Power. 3/4″ x 2″, with 3/16 keyway. 6:1 Gear reduction applications. 2 Years Consumer – 1 Year Commercial. Overhead Valve Design (OHV). Runs cooler and cleaner delivering more power, smoother operation, longer engine life, and improved fuel economy. Compact and Dependable Power. Excellent performance for mid-duty utility applications. Dura-Lube Splash Lubrication System. Gear driven system continuously supplies oil to all internal parts. Protects engine from dirt to extend engine life. Cast Iron Cylinder Sleeve. Withstands wear and abuse while providing improved oil control. Reduces wear for longer life. 2.0 Quart Fuel Tank. For long run time. Fuel Tank Capacity (gallons). All power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton. All power levels are stated gross horsepower per SAE J1940 as rated by Briggs & Stratton. The item “Briggs and Stratton 550 Series Engine 5.5 TP OHV 61 Gear Reduction #83152-0056″ is in sale since Tuesday, March 19, 2019. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories”. The seller is “brandnewengine” and is located in Tipton, Iowa. This item can be shipped to United States.