The Expert will be specific knowledgeable people at the Department of Transport, Arrive Alive Communications, the Road Traffic Management Corporation or others who might have the expertise to answer the question.
The mass allowed is determined by the axles (number of axles and number of tyres on each axle), the manufacturers rating, the weight rating on the tyres and the power of the vehicle.
It is not just a simple question. The maximum gross weight allowed is 56 tonnes - but there are provisos to this dependent on the above. We would need more information.
