Factory workers paint tractors at the International assembly plant in Escobedo, Mexico. (International Motors)Key Takeaways: Mexico’s heavy-duty commercial vehicle production increased 51.8% year over year to 14,675 vehicles in July. Exports of trucks and buses built in Mexico rose 66.7% to 13,117 vehicles, with more than 90% shipped to the United States. Escobedo produces subassemblies for International trucks alongside assembling a full range of the company’s Class 8 vehicles. The three truck makers’ Mexican plants produced a combined 14,735 trucks in Mexico in June, 13,878 vehicles in May and 11,755 trucks in April.