Heavy Boy Truck VM-03Heavy Boy Truck VM 03 The prototype of a modern heavy truck was invented by the American Alexander Winton in 1898. Winton produced cars in a small factory located in Cleveland, and because he needed to get them to customers in different parts of the United States without putting mileage on the cars' odometers, he developed the concept of a heavy truck that could transport large scale cargoes using a trailer. But the widespread use of trailer trucks