This car was built by modifying a B.T.S. kit for a B&O M-2 boxcar. I originally intended to build an M-5 boxcar, which was similar in length and construction to the M-2. From information available to me at the time, the two cars differed mainly in the M-5 having a peaked roof rather than the radial roof of the M-2. Shortly after completing my kitbash, I discovered a photograph of the M-5 and obtained B&O equipment diagrams. Alas, the M-5 appears to be taller than the M-2 according to the diagram, and the M-5 in the photo does not have exposed end beams and has grab irons rather than a wooden ladder.

So, my car resembles the M-3 in overall dimensions and some details. They differ in one important respect: my model shares with the M-2 the distinctive herringbone construction of the ends, whereas the M-3 diagram shows the more conventional vertical siding. Of course, diagrams are not always accurate . . .

I made some changes to the stock B.T.S. kit. First of all, let me emphasize that the kit is excellent. I've built several of this manufacturer's kits and enjoy them every time. I particularly it that the body comes out square and accurate every time.

What I modified:
1) I felt the end beams as supplied by the kit are a bit oversized and so I scratchbuilt my own.
2) I modified the ends to change the radial roof profile to a peaked roof. I also added several peaked roof supports in the middle of the car. I used some scribed sheetwood for the two roof panels.
3) I left off the diagonal door bracing, which I felt was appropriate for the earlier M-2 only. This also made the lettering easier.

The trucks are from On-Trak and the dry transfers from Clover House. Not having any pitures I can absolutely identyify as being of M-3's I have to guess that the Globe lettering scheme was used on these cars. The body is painted with Floquil "Roof Brown" which has been suggested as an accurate color for B&O cars of the period.