Unsure if it will start since it has never been started. Can be used for many applications. You will get what is pictured. Fluids need to be added to the engine before use.7/8 diameter x 2-1/2 long shaft. Key shaft is 3/16 wide x 1-5/8 long. The item "New Briggs & Stratton 6 HP engine Intek Diamond Edge Vertical shaft" is in sale since Wednesday, February 20, 2019. This item is in the category "Business & Industrial\Light Equipment & Tools\Stationary Engines\Engines". The seller is "brookside-equipment-sales" and is located in League City, Texas. This item can be shipped to United States.