This Drawbar is listed for the Draft-O-Matic Tractors, or the later series. Check the measurements because it may very well work on the earlier tractors. We had these made from the original CASE blueprints. Only difference is that the material used in these Drawbars is not as hard as the original. The hardness of these is not quite as hard as a Grade 5 Bolt, but harder than a Grade 2. These weigh just shy 35# and I seriously doubt that any 430, 470, 530 or 570 would distort one. Having said that, for an additional $35.00 we can have one heat treated to the CASE spec if you would like. These are made of 1-1/4″ stock, measure 2-1/2″ wide X 35-1/2″ long, with 1-3/16″ holes at each end.