The SEALANDER has the constructional requirements for a 136 PS approval for trailers and can therefore be moved in road traffic at 136PS, taking into account the technical requirements of the towing vehicle.
DEKRA recommends as a rule of thumb that the permissible total weight of the trailer (750 kg) must be equal to or less than the unladen mass of the towing vehicle multiplied by a factor of 0.3.
Detailed information about the requirements can be found here