1" X 3-1/8"L PTO Shaft. F you have any questions concerning fitment please contact me. He model and type of your Engine & Lawnmower and I will check for fitment.Thanks for viewing my listing! The item "Briggs & Stratton 18HP Vanguard Vertical Shaft Engine, Short Block 496241" is in sale since Monday, April 19, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts".
The seller is "oldrestore712" and is located in Rock Valley, Iowa. This item can be shipped worldwide.