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October 14, 2021 12:45 PM, EDT

Cummins to Add 15-Liter Natural Gas Engine to Lineup

Cummins engineCummins Inc.

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Cummins Inc. announced it will bring to market a 15-liter natural gas engine for heavy-duty trucks.

Cummins Westport currently offers the B6.7N, L9N and ISX12N natural gas engines. That joint venture, formed in 2001, is scheduled to end Dec. 31, a Cummins spokesman said last year.

The new engine is also the basis for the recently announced hydrogen internal combustion engine currently being tested that it is developing, Cummins said.

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The 15-liter engine will offer ratings up to 500 horsepower and 1,850 pound-feet of torque and is expected to weigh 500 pounds less than comparable 15-liter diesel engines currently available on the market while not requiring selective catalytic reduction to meet 2024 California or Environmental Protection Agency emission standards, according to the Columbus, Ind.-based company.

“We are bringing this to our customers who have been asking for a natural gas option for longhaul trucking and we are bringing them a very cost-effective and efficient option,” Brett Merritt, vice president of on-highway engine business at Cummins, said in a release.

When powered with renewable natural gas, using methane collected from organic waste as the primary fuel source, the system can be credited with a neutral to negative carbon index, resulting in net greenhouse gas emissions at or below zero.

The 15-liter natural gas engine can be paired with an Endurant HD transmission from Cummins Eaton Automated Transmission Technologies, and a Cummins fuel delivery system to ensure a purpose-built and fully integrated natural gas powertrain. Other transmission pairings will be available at launch for specialized applications.

Cummins did not provide a launch date. — Transport Topics

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