Replacement 27" diameter Wildkat Attachment stump jumper, This stump jumper is 27" diameter at the top, has 1-1/8" bolt holes with a key slot that are 21" on center. There is a hub welded into the main 3/4" X 4" bar of the  pan with 15 tapered splines. There is a 1" offset dropping this pan 1" to lower the blades for closer cutting. The top edge of this stump jumper pan is flared to add strength.