Cummins: New X15 engine offers high performance, economy, reliability
Cummins officials say their next-generation X15 heavy-duty diesel series will offer new value through economy, performance, reliability and support when it replaces existing ISX15 models in January 2017. A year later, a new X12 will supersede the current ISX12. Executives unveiled and demonstrated the new models at the Transportation Research Center in central Ohio.
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