The Douglas D-906 was a paper project for a heavy lift transport by the Douglas Aircraft Company.
Douglas spent four years studying a heavy lift logistics aircraft capable of moving outsize payloads and Army units, for which no capability existed, under the CX-4 and Experimental Cargo-Heavy Logistics Support (CX-HLS) programs, which ultimately produced the C-5. The D-906 was one of them.
With a shoulder wing and six -thrust turbofans, it superficially resembled the Antonov An-225. Planned payload was to be for up to , with a takeoff weight of .
Length was to be , span , and wing area .
Sources Francillon, René J. McDonnell Douglas aircraft since 1920. New York: Putnam, 1979. Page 718. This page uses content originally created here.