Helmut, Yes I knew about Champion headers,but I don't know if they make disc mower type wholecrop headers. (I reckon with the disc's you've better protection from rock damage compared to a sickle type cutting system)I've sent them an e-mail requesting some info,although I still like the "Quick-cut" header,only problem is its built on the other side of the world in New Zealand!!! I would give you a website address for the guy's who make it but I don't think they have one!!