Briggs and Stratton 13L332-0036-F8 6.5HP Vanguard Engine. A superior utility replacement engine for many applications including tillers, aerators, pressure washers, and compaction plates the new 205cc 6.5 gross horsepower Vanguard engine has a 3/4-Inch diameter by 2.434-Inch in length crankshaft, keyway, tapped 5/16-24. This new engine is the result of listening to leading equipment manufacturers, contractors and owners of rental stores who talked about operating power equipment under the most challenging conditions. The engine has an overhead valve design that allows the engine or run cooler and cleaner by delivering more power along with improved fuel economy and longer engine life. In addition, the engine has a forged crankshaft that is supported by dual heat-treated ball bearings to minimize friction and heat build-up. The motorsports inspired connection rod and oil dipper design efficiently improves oil flow throughout the engine and assures maximum protection of internal components. The high-mounted canister-style air cleaner has 22-Percent more filter area than the competition with an innovative triple seal design that dramatically decreases dirt, dust and debris intake. A large sediment filter is used to collect sediment from the fuel and is drained using a convenient tool-free valve. To protect the engine against a low oil situation it has an oil sensor that will automatically shut down the engine in low oil situations safeguarding your investment. Also to protect the engine it features the industries first simultaneous fuel and ignition switch called Transport Guard System, which protects the engine from oil and fuel dilution during transport from job to job. 50-State CARB Compliant.