PACCA R ENGINE C OMPANY PACCAR has designed diesel engines for 51 years and has produced over one million  engines. In North America, PACCAR shipped over 14,400 PACCAR MX engines in 2011,  which were installed in almost 25% of Kenworth and Peterbilt Class 8 trucks. PACCAR is one of the premier diesel engine manufacturers in the world, with its new 400,000-square-foot  production facility in Columbus, Mississippi, and DAF’s modern engine factory in the Netherlands. PACCAR  has developed and constructed 40 sophisticated engine test cells to enhance its engine design and manufacturing  capacity. The PACCAR MX engine incorporates precision manufacturing, advanced design and premium materials to  deliver best-in-class performance, durability and operating efficiency. PACCAR optimizes its vehicle powertrain  by seamlessly integrating engines, transmissions and axles. The PACCAR MX reinforces PACCAR’s legacy of environmental leadership. The MX engine achieved  certification by the Environmental Protection Agency (EPA) and the California Air Resources Board (CARB). PACCAR will be enhancing its global design capacity with construction of engine test cells at the new DAF  facility in Brasil.  PACCAR engine factories in The Netherlands and Columbus, Mississippi, represent technology leadership in commercial vehicle diesel  engine production. PACCAR engines are standard in DAF, Kenworth and Peterbilt vehicles worldwide, where they have earned a  reputation for superior reliability, durability and operating efficiency.