Ultimate Test Drives… Cascadia 113 & Cummins-Wesport 1SX12G: Perfect Partners Pt. 1

At 400 horsepower and 1450 pound-feet of torque, the natural gas powered Cummins-Westport ISX12 G should perform as well as any medium-displacement diesel engine. If that’s the case, inserting it into a well-crafted regional chassis — like this Cascadia 113 — should have drivers fighting each other for the chance to drive one.


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