Dual Cam

The Cummins ISX is an Inline (Straight)-6 diesel engine produced by Cummins for heavy duty trucks and motorcoaches, replacing the N14 in 1998 when emissions laws passed by the EPA made the engine obsolete. Originally called the “Signature” series engine, the ISX uses the “Interact System” (hence the “IS” which is the moniker for the full authority, on highway fuel system Cummins pioneered) to further improve the engine. This engine is widely used in on highway and vocational trucks and is available in power ranging from 430 hp all the way to 600 hp 2050 ft/lbs. The QSX is the off-highway version of the ISX with the Q standing for Quantum. The QSX is used for industrial, marine, oil & gas and other off-highway applications. (Source: http://en.wikipedia.org/wiki/Cummins_ISX)

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