Sources: Cummins Inc., Columbus, Ind.; CP staff
Sculptured block design, attributable to casting and engineering improvements that place iron where it is most needed, plus high-strength composites for oil pan and valve cover, have netted a 12-liter engine at 2,050 lbs., nearly 600 lbs. lighter than Cummins’ current ISX12. The X12 will debut in 2018 with the Single Module exhaust aftertreatment chamber, which weighs 40 percent less than the ISX series’ three-component, switch back-style assembly.
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