For sale here I have a complete Briggs and Stratton 15HP opposed twin cylinder engine, was on a Sears Craftsman mower. Ran well with no smokes or leaks. Includes carb, muffler and starter, crank diameter is 1″ by 3″ long. Some debris on engine but no issues. The item “Briggs & Stratton 15HP Opposed Twin Cylinder Lawn Mower Engine Complete” is in sale since Sunday, February 14, 2016. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawnmowers\Parts & Accessories”. The seller is “76vettefan” and is located in Lancaster, Pennsylvania. This item can’t be shipped, the buyer must pick up the item.