Cummins Quantum Series is a family of internal combustion engines, developed and manufactured by American Cummins for various heavy-duty use cases. The Quantum series comes with an electronic controlled module. It is used in heavy duty machines and in railway machines.
The lineup consists of adaptations of F, B, L, X series and Quantum-only K series. There are also G12 and T30 engines in the lineup.
Vast majority of Quantum series engines are Diesel engines. Those are compared in the table below:
Natural gas engines also exist.