here's some info: 2 pages
Figure 128. Trailer, flatbed: 10-ton, M345. (1 of 2)
http://www.steelsoldiers.com/trailers/24739-m345-10-ton-trailer.html
M-345
Notes: This is a flatbed trailer designed for carrying large, bulk, palletized, or containerized cargoes. The M-345 has four wheels units...