QSB6.7 for Rail

Certification Tier 3 / Stage IIIA


Rail Engines

Available Regions

US and Canada,  Russia,  Africa & Middle East,  Mexico,  Philippines,  Singapore,  Brazil,  Bolivia,  Uruguay,  Paraguay,  Argentina,  Colombia,  Central America,  Europe,  Japan,  Korea


The Tier 3/Stage IIIA QSB6.7 engine is one of the Quantum Series of rail engines from Cummins with innovative technology that delivers more for less.

The QSB6.7 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 tothe specific operation of the equipment. This means higher productivity and fuel efficiency benefits for the rail operator.

The QSB6.7 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 QSB6.7 is designed to provide the operator superior value and reliability, while meeting stringent worldwide emissions standards.

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