The U.S. Army is seeking commercial railcar design and production services to replace its aging DODX 40000-Series heavy-duty flatcars, which face mandatory retirement starting in 2031. The new flatcars must be capable of carrying two 72-ton M1A2 Abrams tanks or equivalent heavy tracked vehicles on a single deck, with design flexibility for potential vehicle weight growth. The Army is requesting information on several low-risk design concepts, including modernized single- and double-deck variants, drawbar-connected flatcars, and an open design for innovative approaches. Responses to this Request for Information are due by 17:00 EST on 26 June 2026. No budget amount or performance location is specified.

The U.S. Army is seeking commercial railroad flatcar design and production services to replace its aging DODX 40000-Series heavy-duty flatcars, which face mandatory retirement starting in 2031. The new flatcars must be capable of carrying two 72-ton M1A2 Abrams tanks or equivalent heavy tracked vehicles on a single deck, with design flexibility for potential vehicle weight growth. The Army is requesting industry feedback on several low-risk design concepts, including modernized single-deck and drawbar-connected configurations, as well as an open design for unconsidered alternatives. This is a Request for Information to foster a competitive future Commercial Solutions Opening, with responses due by 17:00 EST on 05 June 2026. No budget amount or performance location is specified in the description.