Cummins Westport debuts 2018 natural gas engine lineup
Cummins Westport released its model year 2018 dedicated natural gas engines for regional haul truck/tractor, vocational and transit, school bus, and refuse applications on Tuesday at the Alternative Clean Transportation (ACT) Expo in Long Beach, Calif.
Cummins Westport says the new lineup comes with a change in names. Following Cummins tradition of using B, L, and X series letters, followed by engine displacement. The letter “N” denotes engines that are fueled by natural gas. “Our 2018 product line demonstrates an important milestone in product development for Cummins Westport, creating a move to zero emissions strategy for our customers and industry,” says Rob Neitzke, president of Cummins Westport. “We are particularly pleased that the ISX12N will join the L9N in offering our on-highway customers the benefits of performance and reliability at an ultra-low emissions level described by California’s South Coast Air Quality Management District as equivalent to an electric vehicle. This move to zero emissions strategy means our customers can choose the most affordable path to zero-equivalent emissions with no commercial constraints on supply or technology readiness.” The company says its new B6.7N, L9N, and ISX12N engines continue the evolution of emissions leadership in on-highway natural gas engines from Cummins Westport, featuring Environmental Protection Agency (EPA) and California Air Resources Board (CARB) Optional Low NOx certification, On-Board Diagnostics (OBD), Closed Crankcase Ventilation (CCV) systems, and performance and reliability improvements. The new ISX12N features a redesigned fuel system with fewer parts and improved performance, the company says.
Like the L9N that replaces the ISL G Near Zero, the 2018 ISX12N heavy-duty natural gas engine for regional haul truck/tractor, vocational, and refuse applications will also be certified to EPA and CARB optional low NOx Emissions standards of 0.02 g/bhp-hr.