150 farmer - 9/20/2015 21:47

No adjustment, but I made my own. Lift the tongue way up and hold with a loader or forklift. Wedge a piece of flat stock (3/8 or 1/2") in between the spring and the bumper block. Spot weld the flat stock in place. Done this 2 years ago on our 2 oldest wagons. Works great.