21HP Briggs and Stratton INTEK Vertical Shaft Engine. Units is professionally tested and in good working order. Engine is only 3 years old. With very little use. OEM Briggs and Stratton. It is the customers responsibility to make sure that this part fits their particular unit. The item “Briggs and Stratton INTEK 21HP Vertical Shaft Engine / Motor for Craftsman” is in sale since Tuesday, January 31, 2017. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “theropshop” and is located in Bluffton, Indiana. This item can be shipped worldwide.