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Freightliner to offer natural gas engine

By Adam Freill   

Equipment Technology Trucks

Cascadia heavy-duty trucks to be available with Cummins X15N natural gas engine in 2025.

The new Cummins X15N natural gas engine. (Photo courtesy of Cummins Inc.)

Freightliner is working with Cummins Inc. to offer the new Cummins X15N natural gas engine in its heavy-duty Freightliner Cascadia trucks. The X15N is the first natural gas engine to be designed specifically for heavy-duty and on-highway truck applications, with 400 to 500 hp and 1,450 to 1,850 lb-ft of torque.

“We have a number of customers that continue to run natural gas trucks today and our goal is to provide those customers with the products, like the X15N, they need to operate successfully for their business,” said Greg Treinen, vice-president, On-Highway Market Development at Daimler Truck North America. “The new X15N natural gas engine option for our Freightliner Cascadias complements our portfolio of solutions that help our customers run their fleets efficiently and sustainably.”

Freightliner will offer the new X15N in the Cascadia 126″ BBC, in both sleeper and day cab configurations. Production is targeted to begin in 2025.

“Our end-user customers are looking for ways to achieve their sustainability goals, and the X15N is essential to our commitment to help customers reach net-zero greenhouse gas emissions and improve NOx,” explained José Samperio, vice-president and general manager, North America On-Highway at Cummins Inc. “The X15N, an industry-first big-bore natural gas powertrain with power and torque curves almost identical to diesel, will help long-haul fleets see improved economic and environmental performance.”


Cummins says that, when operating on renewable natural gas, also known as RNG or biomethane, the X15N engine can significantly reduce lifecycle greenhouse gas emissions of heavy-duty trucks. This can range from a 90 per cent reduction to carbon neutral, or even carbon negative, depending on the bio-source and waste feedstock used to produce the fuel. The new X15N achieves lower NOx levels than the 2024 EPA and CARB standards.





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