Seeing how you already have a '54 Chevy 3100 series, i'm guessing you want a '47-'54 model COE to match it. If that's the case, a 110"in. wheelbase 5100 series 2 ton COE is what you're looking for. There were a few 1 1/2 ton special order 15000lb. gvw 1 1/2 tonners, but you don't find them often. Chevrolet COE's from that era came in three wheelbases, 110"in. 5100 series, 134"in. 5400 series, & 158"in. 5700 series. Stovebolt member GeoRichards, has what I believe you're talking about,
http://s1054.photobucket.com/user/GeoRichards/library/?sort=38page=1
