The application of this section with respect to a combination of road vehicles having a total combined gross vehicle weight rating of 4,500 kg or more and consisting of a tractor, equipped with pneumatic tires or rubber caterpillar tracks, designed to draw farm equipment and that draws a trailer with a dump body, is hereby suspended. (See M.O. 2021-15, 2021-06-16, (2021) 153 G.O. 2, 2235)