According to G. M. Best's roster from _Central American Holiday_, here are the basics for the IRCA 2-8-0s.
Road Nos / Builder / Date / Specs (drivers, cylinders, weight)
34 Baldwin 1897 38, 15x20, 85,000#
35 - 44 same specs, but built between 1912 and 1921. Would want to check builders photos of the different groups,but probably similar as built. All Baldwins. 38, 16x20, 93,400#.
35-35 1912
37-38 1913
39 1919
40-41 1920
42-44 1921
61 - 73 same specs, built between 1909 and 1914 by Baldwin. 38, 16x20, 91,000#
61-63 1909
64-65 1910
66-68 1913
69-73 1914
101 - 125 same specs, built by Baldwin between 1925 and 1926. These are larger than the other 2-8-0s. 40, 18x20, 102,800#
101-106 1925
107-113 1926
114-122 1925
123-125 1926
The first mikes, Baldwin, 1926, were the smallest. 40, 16x20, 105490#. Road numbers 126 - 129. The rest of the mikes had larger 18x22 cylinders, but all had 40 inch drivers. There were some differences in engine weight, and builders included Baldwin, Porter, and Krupp, between 1928 and 1948.
Charlie
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