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Between 1936 and 1937 the B&O rebuilt 1,290 of its aging M-15B box cars into M-15K box cars (370000-370989 & 371000-371249) and M-15L auto cars (379000-379049). These were new ‘Wagontop’ car bodies on top of the existing M-15 fishbelly center sill underframes.From 1937-1938, the B&O also constructed 2,000 additional Wagontops, classed M-53, numbers 380000-381999. These cars were like the M-15K class except that they were built new from the rails up with Duryea underframes. In 1953 an additional 1,000 cars were built as class M-53A and numbered 385000-385999. Between 1941 and 1945, one hundred twenty-five cars were modified, reclassed as C-16, renumbered to 1875-1999 and assigned to express service. Starting in May 1947 they were returned to general service.Starting in 1955, the M-15K box cars began to run afoul of the 40-year old underframe rule. Between 1955 and 1957 all but eighteen M-15Ks were rebuilt with entirely new underframes, thereby extending their service lives.
Sorry if off topic, but looking at the pictures, it is obvious that the doors have to clear the ribs. Is there some sort of door jamb that projects out from the carbody, so that the car can be "sealed" when the doors are closed?Thanks in advance,DFF
I have recently been involved in a discussion on the railwire regarding the B&O M15L/M Wagon Top Box Car. It started out that one modeller wanted to convert a M53 into a 4 door box car. The only reference I could find to a 4 door wagon top box car was the M15L/M and the only photo references I have been able to find of the cars is a model from F&C. That model shows that there are very defined differences between the cars apart from the number of doors. First there is the number of panels, (M53 = 10 panels and the M15L/M = 12 panels). Secondly the other reference I was able to find was at:http://www.steamerafreightcars.com/gallery/boxauto/bo380601main.htmland this only refers to the cars but does not give any photos. There is some reference that the cars may have had a fishbelly centre sill and gives their road numbers as 379000 - 379049. While they were not a prolific car they were quite unique and would be an interesting vehicle mixed in with other auto-mobile cars in a consist.Is there a site where photos of these cars can be found a a general arrangement drawing can be located. Did they only have plain doors or were they fitted with other variants. Were they 40ft cars or were they longer 50fy cars.
The B&O had 180 of the M-15M 40' 40 ton Auto cars rebuilt from theM-15D 40 foot wood cars with the steel fishbelly underframes.They had 12' door openings but were about a foot taller at 15'-1 3/4"because they were equipped with Evans Loaders.All other data looks accurate.
Konrad's original research materials were handed off to a much younger B&O enthusiast, and I have him checking for the original reference photos.I am working to create a new master that will allow for the casting to be 1st generation and I am planning to use the same products as DKS uses for molding and casting. Any details that don't look up to snuff on the casting will be removed from the master to make a new mold, and will have to be cast as separate detail parts.With this and any future projects, Konrad is involved in an advisory role. He is passing on his knowledge to myself and Chris. The product that I am looking to put forth to the community is not claimed to be affiliated with the former Camden & Amboy Models.Early estimate for the kits are $10.-Cody F.