The Tier 3/Stage IIIA QSX15 engine is one of the Quantum Series of rail engines from Cummins with innovative technology that delivers more for less.
 
The QSX15 has more power, more torque and higher durability – all while achieving lower fuel consumption, lower emissions and less servicing. Using the Cummins PowerMatch tool set, it is possible to custom-tailor the engine torque curves and calibration features to the specific operation of the equipment. This means higher productivity and fuel efficiency benefits for the rail operator.

The QSX15 has been designed with features which include:

• Tier 3/Stage IIIA emissions capability
• increased durability and reliability
• lower total life costs of ownership
• high power and torque

The QSX15 is designed to provide the operator superior value and reliability, while meeting stringent worldwide emissions standards.