
RENK America powers freedom.
Built in America. Ready for the battlefield.
With a proud 120-year legacy of American defense manufacturing, a 500-strong U.S. workforce, U.S.-based supply chain, and unmatched production efficiency, we deliver mission-critical solutions for the U.S. military, enhancing performance, affordability, and reliability through advanced transmission, engine, and suspension systems.
RENK America in numbers
Made for the mission
With over 400 employees in Muskegon, Michigan and a U.S. supply chain of 700+ partners, RENK America is redefining what “Made in America” means for defense manufacturing. Our 1.2 million square feet of domestic production space empowers us to build the HSWL 256 EVO transmission right here - ensuring readiness, resilience, and rapid delivery.
Key Points:
- 500-strong U.S. workforce with 170+ technical experts
- Active in Michigan, Ohio, and across four U.S. states
- Acquired and integrated Cincinnati Gearing Systems
- Proven onshoring and production localization track record

Competitive advantage
RENK America’s HSWL 256 EVO isn’t just modern, it’s battlefield ready. Trusted across NATO, the 256 EVO transmission is a drop-in, low-risk upgrade that boosts mobility, electrical capacity, and Silent Watch capabilities for the U.S. Army’s evolving combat needs.
Performance Highlights:
- Silent Watch and E-Drive modes
- 6-speed layout with true pivot turn
- Drive-by-wire responsiveness
- High voltage motor/generator (M82) for onboard power
- Digital control, emergency override, and extreme braking capabilities
We work directly with the soldiers in the U.S. Army and foreign militaries, which gives us a good appreciation and a good reminder of what we do and why we do it.
Speed that wins wars
At our Muskegon facility, RENK America combines scalable throughput with proven delivery performance. With three units rolling off the line daily and over 2,000 units shipped in five years, we offer unmatched production speed — backed by quality and operational precision.
Focus Points:
- High-volume daily output with surge capacity
- Streamlined supply chain with embedded quality controls
- Agile scaling for evolving Army demands

Proven partner, trusted innovator
RENK America evolved from L3Harris Combat Propulsion Systems - retaining its veteran talent and deep U.S. manufacturing roots. As a core contributor to the U.S. Army’s THOR project and long-standing partner of General Dynamics, we know what it takes to move fast, stay ready, and win.
Inside RENK America – Meet the people behind our success
At RENK America, it's not just about technology — it's about people. In this exclusive behind-the-scenes video, meet the skilled men and women in Muskegon, Michigan, who bring our transmission systems to life. From military veterans to lifelong engineers, our team is united by a shared mission: delivering excellence to the U.S. Army — on time, every time.

Contact our defense system experts