The 95-litre 16 cylinder engine is rated at 3.28MW and is equipped with Cummins' Modular Common Rail Fuel System (MCRS) with quad-turbocharging. The QSK95 is also equipped with Selective Catalytic Reduction (SCR) exhaust aftertreatment, enabling it to meet US Envirnomental Protection Agency (EPA) Tier 4 emissions standards.

Cummins will deliver a batch of QSK95s to Siemens to equip 35 Charger locomotives ordered by Illinois Department of Transportation in 2014 on behalf of the states of Illinois, California, Michigan, Missouri and Washington.

The QSK95 will also power Charger locomotives for All Aboard Florida and Maryland commuter rail operator Marc.