Cummins new X Series: Adding up the improvements

EAST LIBERTY, OHIO. When going out for a spin in a truck powered by the new Cummins X15 engine, it’s good to have the program technical leader in the cab to answer questions. Even better, the engine is so quiet the conversation could’ve been conducted at a whisper. But the next-generation X Series is not something Tim Proctor, Cummins ‎Director, Engineering, wants to keep quiet about.

read more

Source:: http://fleetowner.com/powertrain/cummins-new-x-series-adding-improvements