NAVISTAR ADDS CUMMINS ISB

The Cummins 6.7-liter ISB

Navistar International has expanded its medium-duty engine offerings to include the Cummins ISB 6.7-liter engine for International DuraStar medium-duty trucks and IC Bus CE Series school buses. Full production of trucks will start in December but orders will be taken as of now.

The ISB will complement the existing International engine offerings, says Navistar, not replace them. It will continue to offer EGR-only versions of its mid-range engines using its medium-duty emissions credits.

DuraStar trucks and CE Series school buses with the Cummins ISB will be Navistar’s first medium-duty vehicles with selective catalytic reduction (SCR) emissions aftertreatment. Orders will be taken immediately with initial truck builds later this month and regular production for trucks scheduled for December. Regular production for school buses is scheduled for late-January 2014.

Medium-duty truck and bus customers have extensive familiarity and confidence in the Cummins ISB, says Navistar, adding that it has its own experience with the engine. It’s been packaging and manufacturing trucks with the ISB since 2010 through its Ford Blue Diamond joint venture.


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