While the concept of the Super Drake was tested, I don’t believe it ever achieved production (at least I couldn’t find anything about it).
“An Original 1956 ONE-Page pictorial that was removed from a vintage Magazine. Perfect size to mat and frame, it measures 6½ x 9¼ inches.
Article Excerpt: “With eight wheels, all of them powered, the Army’s latest amphibious vehicle, the Drake, can outride the heaviest surf.”
Shown on bottom of page is the first 2 1/2-ton Duck, the 4-ton Superduck and the Drake.”