Cummins Westport ISL G. The Natural Choice.

Redefining Power Efficiency​ The innovative architecture of the X12 is redefining power efficiency for trucks and coaches with a highly efficient in-cylinder combustion formula eliminating the need for exhaust gas recirculation (EGR). The advanced design of the 11.8-litre engine results in a remarkably low weight under 920 kg. while delivering all the uncompromising on-road performance drivers desire while maximizing efficiency for every job.

Naturally Better. Cummins Westport ISL G Natural Gas Engine. There are over 40,000 Cummins Westport natural gas engine-equipped vehicles performing cleanly and reliably today. Interest in natural gas engines is steadily growing throughout North America, with Cummins Westport natural gas engines widely recognized for their technological leadership in urban transit fleets. The ISL G combines all the advantages of clean burning natural gas with no compromise in power or torque.