First Kenworth Delivered with CW ISX12 G Natural Gas Engine

Kenworth celebrated the production and customer delivery of its first full-production truck powered by the new 400-hp Cummins Westport ISX12 G natural gas engine during a special roll-out ceremony Tuesday before employees at the Kenworth assembly plant in Renton, Washington. Kenworth’s initial 400-hp ISX12 G engine went into a Kenworth T800 Extended Day Cab.