Right thanks for your reply so no one can point me to the legislation moreover my b+e is not restricted to 3500kg. Train weight is everthing. A 110 is from memory 6800kg. If the vehicle is not loaded to its max the trailer can take the vehicles weight ,
5900-1750 =4150 so 4150 for the trailer and load max on a 90 not a 110 . A 110 can take a lot more. Anyway thanks for the reply I have asked vosa about this coupled brakes thing if it law ect , I just thought I would ask on here cause its Easter weekend and I won't get a reply till next week.
Thanks