This from Dennis McGuire, Jr.
Here are some pictures of a 1956 Mack B-Model I recently found in Calumet City in March of 2012.The rig carries CFD Shop# D-307, Serial# B95F-1042.It’s CFD history is as follows:Delivered: 3-16-1956Engine 27: 6-8-1956 to 2-18-1963Engine 25: 2-18-1963 to 12-19-1969Engine 8: 1-1-1970 to 7-27-1970Engine 92: 11-25-1970 to 7-12-1973Engine 76: 12-31-1973 to 2-5-1976Engine 56: 1-26-1976 to 1-13-1977