Fix the Trucks in cfgspawnabletypes.xml, they will only attach one log, 10 planks and 10 sheet metal, we want to fill them from within the file. Please!
Set logs, planks and sheet metal as attachments to the Truck in cfgspawnabletypes.xml and only 1 log, 10 planks and 10 sheet metal will attach to their designated spots, the rest will go in the cargo.