Cummins X15 Pt 2: Efficiency Series

Nearly 20 years after Cummins launched ISX, the 2017 version of the engine brings new technology and engineering advancements to market that deliver better performance, better efficiency and lower cost of ownership.

Cummins X15 Pt 1: An Overview

COLUMBUS, IN -- As engine platforms go, Cummins' ISX has to be considered slightly remarkable. It was introduced in 1998, although the program that brought the engine to life began in 1994. It survived the transition to EGR (Exhaust Gas Recirculation) and then to SCR (Selective Catalytic Reduction) aftertreatment. Several other engines did not. And it's still very much alive and kicking today. We spent a day test driving a couple of production-intent versions of the 2017 X15 (as it's now known), and a current ISX15 for comparison.