Mazda vehicles are assembled at the AutoAlliance Thailand (AAT) plant there, which is a joint venture with Ford Motor. Ford produces its Ranger pickup truck at this plant.The engine plant will go into operation next month with a massive production capacity of 400,000 sets per year. This is the first Mazda transmission plant to be built outside Japan.Meanwhile, a Bt3-billion engine plant will churn out efficient Skyactiv engines for the Mazda2 and Mazda3 models starting in late 2016. Mazda has yet to finalise the production target.