PACCAR MX-13, PX-9 and PX-7 Engines

Peterbilt Motors Co. has released of the next generation of PACCAR engines, developed to meet the U.S Environmental Protection Agency’s 2013 emissions requirements. The PACCAR MX-13, PX-9 and PX-7 engines are designed to maximize fuel efficiency and reliability and provide a low total cost of ownership. The engine lineup will be available in Peterbilt’s complete range of medium- and heavy-duty products beginning this year. The 12.9-liter MX-13 engine is characterized by its combination of proven technologies and a large number of state-of-the-art innovations that improve fuel economy. The MX-13 also is designed to meet the demands of heavy-duty truck applications in both vocational trucks and on-highway tractors. It’s available in a wide range of horsepower ratings starting at 380 with torque offerings up to 1,450 pounds. Additional MX-13 engine enhancements include a common rail fuel system that maintains injection pressures of 2,500 bar, providing improved efficiency. The result is finer fuel atomization and more ways to optimize combustion, ensuring the lowest possible fuel consumption, emissions and noise levels. www.peterbilt.com