Work Truck Logo
MenuMENU
SearchSEARCH

Kenworth's CARB-Compliant Engine, Bendix Tech & SuperTruck 2

Kenworth unveils its CARB-compliant PACCAR MX-13 engine for T680, T880, and W990 models, and introduces the advanced Bendix Fusion safety system. Plus, learn about their "Transition Trucking" award for veterans and the SuperTruck 2 from ACT Expo.

June 13, 2024
A PACCAR MX-13 CARB-compliant engine

The PACCAR MX-13 CARB-compliant engine has two power ratings: a 510-horsepower version with 1,850 lb.-ft of torque and a 455-horsepower version with 1,650 lb.-ft of torque. 

Photo: Kenworth | Work Truck

4 min to read


Kenworth is making headlines with its CARB-compliant PACCAR MX-13 engine debut and the latest Bendix Fusion safety system. Unveiled to meet California's stringent emissions standards, this new engine will power the T680, T880, and W990 models starting in late 2024. Meanwhile, the Bendix Fusion system brings advanced collision mitigation technology to enhance driver safety.

In other news, check out how Kenworth continues to honor military veterans through its “Transition Trucking: Driving for Excellence” award and what you need to know about Kenworth’s SuperTruck 2, showcased at the ACT Expo.

Ad Loading...

A New CARB-Compliant Engine for Heavy-Duty Trucks

Kenworth has unveiled a California Air Resources Board (CARB) compliant version of the PACCAR MX-13 engine for its heavy-duty truck models. This announcement highlights Kenworth’s commitment to environmental sustainability and regulatory compliance while maintaining top-notch performance and efficiency.

The new PACCAR MX-13 CARB-compliant engine, designed to meet 2024 requirements, is now available for order on select Class 8 models, including the T680, T880, and W990. Production is set to begin in the fourth quarter of 2024. This engine features new aftertreatment hardware that aligns with stringent California low nitrogen oxide (NOx) emissions standards. The MX-13 CARB engine utilizes a twin-canister selective catalytic reduction (SCR) aftertreatment system and optimized emissions controls to achieve these standards without compromising reliability or performance.

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

The PACCAR MX-13 CARB-compliant engine has two power ratings: a 510-horsepower version with 1,850 lb.-ft of torque and a 455-horsepower version with 1,650 lb.-ft of torque. These options ensure superior performance and drivability without sacrificing fuel economy. This engine provides an industry-leading, efficient, and integrated low-NOx solution with PACCAR TX transmissions and PACCAR DX rear axles.

Kenworth Offers the Newest Bendix Fusion Safety System

A Kenworth T680 heavy-duty truck in blue

Bendix Fusion is a a key safety feature on Kenworth models since 2016 and standard on the T680 since 2018, incorporates new hardware and enhanced capabilities to improve road safety further.

Photo: Kenworth

Kenworth has announced the availability of Bendix Fusion – Bendix’s most advanced collision mitigation system – for order on select Kenworth trucks.

Ad Loading...

This system, a key safety feature on Kenworth models since 2016 and standard on the T680 since 2018, incorporates new hardware and enhanced capabilities to improve road safety further.

Bendix Fusion combines input from radar, video, and brakes, creating a detailed assessment that delivers collision mitigation for both moving and stationary vehicles while minimizing driver distraction.

“We’ve been working with the Kenworth team for decades to provide North America’s fleets and drivers with safer trucks,” said Nicole Oreskovic, Bendix vice president of sales and marketing. “Kenworth has always been a fantastic and valuable partner on our journey toward safer roads for everyone.”

Nomination Deadline Nears for “Transition Trucking: Driving for Excellence” Award

Are you a took rookie driver? Are you a military veteran?

Kenworth continues to support military veterans transitioning to the trucking industry through the “Transition Trucking: Driving for Excellence” award. With FASTPORT and the U.S. Chamber of Commerce Foundation’s Hiring our Heroes initiative, Kenworth seeks America’s top rookie military veteran driver. The grand prize for this year is a Kenworth T680 equipped with a 76-inch sleeper and the PACCAR Powertrain.

Ad Loading...

To qualify, candidates must be U.S. residents, military veterans, or current/former members of the National Guard or Reserves. They must also have graduated from a recognized driver training school and have been employed as CDL drivers since January 1, 2023. An expert panel of judges will select the top driver.

Kenworth's SuperTruck 2: A Glimpse into the Future of Trucking

The Kenworth SuperTruck2 with red LED lighting

Featuring a PACCAR MX-11 engine, a mild hybrid system, and an aerodynamic design, the SuperTruck 2 sets a new standard for efficiency and driver comfort.

Photo: Kenworth

Kenworth’s SuperTruck 2, introduced at the ACT Expo in Las Vegas, marks a significant achievement in trucking innovation. This demonstrator vehicle, developed in collaboration with the Department of Energy’s SuperTruck program, surpasses its freight efficiency goal with an improvement of up to 136% over its 2009 model.

Featuring a PACCAR MX-11 engine, a mild hybrid system, and an aerodynamic design, the SuperTruck 2 sets a new standard for efficiency and driver comfort.

The SuperTruck 2 is designed with future zero and near-zero emission solutions in mind and includes advanced driver assistance systems and state-of-the-art electronics. This project underscores Kenworth’s dedication to pioneering advancements that align with the industry’s goal of achieving carbon neutrality by 2050.

More Vehicle Research

Paccar engine displayed alongside Kenworth and Peterbilt logos and a DEF pump sign, illustrating a software update addressing diesel exhaust fluid (DEF) inducement strategies for select heavy-duty trucks.

Paccar Updates MX-11 and MX-13 Engine Software to Enhance Customer Operations

Kenworth Truck Company and Peterbilt Motors Company will update software for vehicles equipped with Paccar MX-11 and Paccar MX-13 engines to ensure they comply with EPA guidance on diesel exhaust fluid inducements.

Read More →
GM Fleet presentation slide highlighting strong fleet sales growth alongside a Chevrolet Silverado. Key metrics include increased truck demand, record pickup sales, higher government sales, and growth in OnStar Fleet subscriptions.
Vehicle Researchby StaffJuly 8, 2026

GM #1 in U.S. Sales for the Second Quarter of 2026

General Motors said it was America’s #1 automaker in U.S. sales for the second quarter of 2026 with total sales of 714,896 vehicles, down 4.2%. GM led in full-size pickup and large SUV sales and reported growth in fleet sales.

Read More →
American Truck Simulator quick job menu showing available freight routes, truck options, and a map of the western U.S.
Vehicle Researchby Lauren FletcherJuly 8, 2026

Volvo VNL and VNR Electric Join American Truck Simulator

Volvo’s VNL and VNR Electric are now in American Truck Simulator, bringing diesel and electric truck models to virtual drivers.

Read More →
Ad Loading...
Graphic shows Rush Enterprises’ Gulf Coast expansion with a map highlighting new Louisiana locations and a Peterbilt dealership. Headline reads, “Expanding Across the Gulf Coast,” announcing Rush Enterprises’ acquisition of Peterbilt of Louisiana.

Rush Enterprises Expands with Acquisition of Peterbilt of Louisiana

Rush Enterprises’ acquisition of Peterbilt of Louisiana adds 46 service bays, more than 23,000 square feet of parts storage, and approximately 107,000 square feet of facility space to the company's footprint.

Read More →
Promotional graphic for Work Truck’s “Trucks, Tips & Tours” series featuring an International HV515 vocational truck, a presenter standing beside it, and text highlighting improved visibility and technology. Includes Truck Chat “Watch Now” branding.
Vehicle Researchby Wayne ParhamJune 30, 2026

International HV515 Dump Truck Walkaround

The International HV515 combines the new S13 Integrated Powertrain, improved driver visibility, simplified maintenance, and advanced vocational controls into a capable dump truck platform. Take a closer look at the HV515, which International showcased at EUFMC.

Read More →
The Red Clay Strays pose with a Chevrolet Silverado, one of several vehicles featured in the revived "Heartbeat of America" campaign highlighting the brand's connection to hardworking Americans.

Chevrolet Brings Back 'Heartbeat of America' Campaign Featuring Trucks and Everyday Workers

Chevrolet brings back Heartbeat of America, spotlighting the trucks, workers, and communities that continue to drive the brand's legacy forward.

Read More →
Ad Loading...
Gray Slate electric pickup truck parked curbside in front of Van’s Hardware on a small-town main street, highlighting the truck’s minimalist design and compact single-cab configuration.
Vehicle Researchby Martin RomjueJune 29, 2026

Light-Duty Work Truck Fleets Get a Fresh, Affordable Alternative

Work Truck caught up with Drew Walker, Slate’s head of fleet sales, at the company’s design hub in Gardena, California, for an interview on how the company’s pickup and SUV electric vehicles can meet the needs of both private and public sector fleets.

Read More →
Ford graphic announcing its top ranking among mainstream brands in the 2026 J.D. Power U.S. Initial Quality Study, featuring a Super Duty pickup, Mustang Dark Horse, F-150 towing a trailer, and the J.D. Power award logo.
Vehicle Researchby StaffJune 26, 2026

Ford Ranks First in JD Power Initial Quality Study, Ford & GM Icons Take First in Segments

Both Ford and General Motors vehicles ranked first in their respective segments in the JD Power 2026 U.S. Initial Quality Study, and Ford ranked as the mainstream brand with the highest initial quality.

Read More →
Promotional graphic for a Utilimarc guide titled Beyond Utilization Rates: How Data-Driven Fleets Are Rethinking Vehicle Replacement, featuring a report cover with fleet vehicles, key benefits, and a call-to-action to download the guide.
SponsoredJune 26, 2026

Beyond Utilization Rates: Smarter Fleet Replacement Decisions

Vehicle replacement decisions affect every aspect of fleet performance, from operating costs to asset availability. This guide explores how fleet leaders use integrated data, benchmarking, and lifecycle analytics to determine the right fleet size and optimize replacement timing with greater confidence.

Read More →
Ad Loading...
Nissan manufacturing employees gather around red, white, and blue Frontier pickup trucks inside the Canton, Mississippi assembly plant to celebrate a production milestone.
Vehicle Researchby Lauren FletcherJune 23, 2026

Nissan Produces 1-Millionth Frontier in Mississippi as Demand Grows for Midsize Work Trucks

Nissan's 1-millionth Frontier marks a major manufacturing milestone as contractors, utilities, and vocational fleets turn to capable midsize pickups.

Read More →