Kenworth gets Paccar's new CARB-compliant engine

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Updated Jun 13, 2024
The Paccar MX-13 CARB-compliant diesel engine

Kenworth Truck Company on Tuesday announced the new California Air Resources Board (CARB)-compliant Paccar MX-13 diesel engine is available for order on the T680, T880 and W990. 

"Our customers are looking for better options to successfully navigate the complexities of the evolving regulatory landscape and Kenworth models equipped with Paccar's MX-13 CARB-compliant engine achieve compliance with stringent emissions regulations while also delivering a solution that drives increased engine efficiency and enhanced fuel economy," says Kevin Haygood, Kenworth's assistant general manager for sales and marketing. 

[RELATED: Little information available regarding CARB-certified 2024 engines]

Kenworth says production will begin in the fourth quarter of this year. 

The Paccar MX-13 CARB-compliant engine features new aftertreatment hardware to meet California's low nitrogen oxide (NOx) emissions requirements. It has a twin-canister selective catalytic reduction aftertreatment along with more optimized emissions controls systems. 

It's available in two options, one with a 510-horsepower rating with 1,850 lb.-ft. of torque and a 455-horsepower rating with 1,650 lb.-ft. of torque. 

Last week, Peterbilt announced the same engine is available for order in Models 579, 567 and 589. 

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