Here's a couple more.
According to the caption for this June 17, 1942, photo, this is simply a “Ford truck to haul bomber parts,” but our friend Fred Crismon, author of “U.S. Military Wheeled Vehicles,” has more:
Early in 1943 [which clashes with the date of the above photo -ed.] this highly specialized vehicle was shown to the public, identified as a tractor designed to pull a 60-foot-long “supertrailer” in which 34 complete tail cone assemblies could be carried. The tail cones were for the B-24 bomber of which Ford was one of several builders. The assemblies were carried between several manufacturing plants according to contemporary sources, invluding runs between California and Texas, Willow Run, Michigan, and Tulsa, Oklahoma, and Fort Worth, Texas, and between Loudonville, Ohio, and Buffalo, New York. Two Mercury V-8s were used, driving into synchronized transmissions.