Cummins QSK23 delivers the power and performance of a 12-cylinder engine in a compact, in-line 6-cylinder design. Released specifically for the rail engine market, the QSK23 delivers increased durability and reliability with a lower total life-cycle cost than that of comparable engines.

Every major system and component is designed by Cummins to work as part of an integrated unit, setting unbeatable standards in rail diesel productivity. Ratings range from 860 hp to 950 hp (641-708 kW) in locomotive and track machinery. The QSK23 delivers auxiliary power up to 600 kVA at 50 Hz.