Kenworth has made the T680 available for order with a combination of the Paccar MX-11 engine and the new Paccar Automated Transmission, designed for linehaul and regional haul applications up to 110,000 pounds GVWR.
MX-11 and MX-13 Engines
PACCAR launched new power, torque, and fuel-efficiency enhancements to its MX-13 and MX-11 engines for North America. The new engines will be available in Kenworth and Peterbilt trucks in January 2017.