More Miles. Every Gallon. ISX15 for EPA 2010.

Cummins ISX15 EPA 2010 delivers superior driving performance while improving industry-leading fuel economy. Plus, it achieves near-zero emissions levels without sacrificing the reliability or durability that you expect from a Cummins engine.

Every major component and system is designed and built by Cummins for total quality control, building on a proven engine with fully integrated electronics. An improved, more precise air-handling system has reduced restriction, which helps optimize performance.

The result is that Class 8 truck owners will achieve up to 5% more miles per gallon with the ISX15. In addition, maintenance intervals are unchanged from previous years. So the ISX15 will deliver the lowest operating costs of any engine in its class.

For superior fuel economy, strong performance, long-range durability and exceptional dependability, you’ve got every reason to spec an ISX15.