clive,
give medway galvanizers of kent a ring they may be too far away from you but they do quality work and their tech. people may be able to help you in your quest
regards
wot o will, welcome to the forum, if your desparate to keep tipper body i know a man that builds and repairs agricultural trailers and hes worked on my k6 hes near heathfield e. sussex, pm me if you want to know more details
regards