For KLW, Cummins, ‘The Next Step in Tier 4 Repowers’ (UPDATED)
KLW (Knoxville Locomotive Works, Inc.) and Cummins Inc. on March 6 announced completion of its first KLWX 4400 ACT4, a remanufactured line-haul locomotive equipped with an EPA Tier 4-certified, 4,400-hp Cummins QSK95 prime-mover. The prototype locomotive is currently operating on CN, where it is undergoing reliability and performance testing.