Guides
Longer pieces on the rules behind the calculators: where the numbers come from, and the situations where they break.
Your truck is under 40 tonnes and still illegalThe total tells you nothing about the split. Spanish limits are not the European ones, and the driving axle has a minimum as well as a maximum.It fits inside the container. It will not go through the door.Container tables give internal height. Cargo goes in through the door, which is around 100 mm lower. The gap has stranded a lot of machinery on a lot of quays.The strap over your load is not holding itA strap thrown over the load holds nothing by itself. It presses down; friction does the work. Once you see that, the number on the label stops meaning what you thought.The NMFC changed in July 2025. Here is what actually movedOnly freight over 35 lb/ft³ changed class on the density scale. The expensive part of the reform is somewhere else entirely.