The complete line of on-highway diesel and natural gas engines meet current EPA regulations and greenhouse gas (GHG) and fuel efficiency standards.
- Fuel efficiency improved across the commercial vehicle engine lineup from 5.0 to 15 liters
- Efficiency improvements implemented in the 2016 ISX15 400- to 475-hp ratings provide fuel economy gains ranging from 2.5% on the base engine up to 7.5% with a SmartAdvantage Powertrain with ADEPT (SmartCoast) features
- On-Board Diagnostics requirements met with enhanced monitors
- Include a particulate matter (PM) sensor and electronic controls enhanced to interact with the diesel exhaust fluid (DEF) quality sensor on DEF tanks