Hello Together, all the discussions I can find on the internet (also here in the forum) revolve around support load on the trailer, but my problem is a roller carrier on the trailer coupling. In short, to understand. My Ducato box has 100kg support load, the installed AHK has 150kg support load (I have mounted afterwards, from Westfalia), clearly that the support load is limited to 100kg. A roller carrier weighs now depending on the model approx. 20kg, a semi-usable 50cc scooter weighs approx. 95kg, summa summarum therefore 115-120kg. The Ducato had previously a rear carrier for the rear door, which was allowed to be loaded with 30 or 40kg, the doors, respectively the hinges can be removed. Now it must be possible that I put a scooter carrier + scooter with 120kg on the AHK and pull with two clamping belts on each side about 10kg upwards on the door hinges. If I now still make sure not to exceed the axle load, everything should be in the green area. If the support load (e.g. by weighing) is almost impossible with this construction. A problem of “underrunning” is not at all an issue here, since it is not a trailer and it is therefore only about the overload of the whole construction. 1) In D, this should not cause any problems with +/-50% tolerance, do you see that as well? 2) In A and CH, I fear that I come from D, a “preferred treatment”, one knows our nice neighbours in the south yes. onnte find no tolerance for A regarding support load, does someone know what? 3) what does it look like further south, e.g. I, HR or GR, they are a bit more relaxed, since someone has experiences with slightly exceeded support load? Rejoice me about helpful and constructive contributions!