GAFFNEY, SC, March 10, 2026 — Freightliner Custom Chassis Corp. (FCCC) has announced a new collaboration with Roush and GM Powered Solutions on the development of the next-generation 6.6L gas engine.

Through the new agreement, FCCC will work with Roush Power Systems, a recently formed division of Roush, to integrate GM Powered Solution’s 6.6L gas engine into its chassis products across a range of applications and markets. The exclusive agreement will ensure these new engine products are designed to meet future requirements for emissions and engine compliance.

“This partnership brings together two of the most respected and renowned names in commercial innovation and expertise,” said Akbar Ghous, Vice President of Sales and Marketing for FCCC. “And it signifies our tireless commitment to the walk-in van market, while also providing us the enhanced ability to explore the deployment of this engine in additional vocations moving forward.”

By combining GM’s world-class powertrains and FCCC’s legendary chassis with Roush’s decades of engineering expertise, the team will deliver turn-key certified power systems for a range of applications, including walk-in van, shuttle bus and trolley.

“We’re thrilled to continue growing the capabilities and impact of Roush Power Systems,” said Tom Patterson, General Manager for Roush Power Systems. “Our development agreement with DTNA proves that we are uniquely positioned to support industry-leading OEMs and scale new trucking solutions in global markets. As we celebrate our 50th year as a company, our goal is to build on Roush’s legacy of delivering commercialized solutions and empower innovation over the next 50 years and beyond.”

About Freightliner Custom Chassis Corporation (FCCC):
Established in 1995 and headquartered in Gaffney, SC, Freightliner Custom Chassis Corp. (FCCC) is a leading manufacturer of premium chassis for the RV, medium-duty commercial truck and shuttle bus markets. FCCC supports its industry-leading chassis with a comprehensive suite of services, including 24/7 factory direct support, a nationwide service network with more than 400 dealers in the U.S. and Canada, and an official customer-support mobile app. FCCC also manufactures chassis for the work truck, walk-in van, school bus and shuttle bus markets. Freightliner Custom Chassis Corporation is a subsidiary of Daimler Truck North America LLC, a Daimler Truck company. For more information, visit fcccrv.com or call 1-800-FTL-HELP.

About Roush Power Systems
Roush Power Systems, a core division of Roush, delivers reliable and efficient power systems that drive the future of performance, productivity, and sustainability. From the open highway to the hard-working jobsite, RPS enables OEMs and fleets to bring next-generation technologies to market that succeed in the most demanding environments. Discover more about Roush Power Systems at www.roushpowersystems.com.