You can drive vehicles weighing between 3,500 and 7,500kg (with a trailer up to 750kg).
You can drive C1 category vehicles with a trailer over 750kg, but the trailer - when fully loaded - can’t weigh more than the vehicle.
The combined weight of both can’t exceed 12,000kg.
You can drive vehicles over 3,500kg (with a trailer up to 750kg).
You can drive category C vehicles with a trailer over 750kg.