Towing vehicle for 12m long display car wanted

New here, if the topic should be better picked up where otherwise, it can be packed through the moderation gladly there Am to solve myself and to move as a traveler/nomad through the country from next autumn. I am at the same time a 12m car as self-sufficiently as possible, which will then be my traveling home. He still needs a suitable towing vehicle, with which I make the journeys and which is then also my working vehicle for the tree care. n no great experience, therefore I am happy about tips, which can be suitable for me here. * Strong train, let’s go, that the trailer after finished construction has so 10-12 to * box structure with 4m length (for ladders, saws, tree removal) * mobile with “old” driving licence (so max. 7,5to) * should also come clear with wet meadow or sand * ideally with pull winch possibility (move trees, pull out trunks) * next to the driver’s seat at least two more seats, would be better The four * top speed with the trailer load would also be interesting, as there are also distances of several hundred kilometers to be covered between inside * rather simple robust model (without much electronics) * Mouths for the trailer front and rear