X (various)
classes
Driver diameter - all

Key
"-" = complete number range
"≠" = incomplete number range
"( )" = assigned but never carried
Class System Numbers Builder Built Notes
X-1-a CN 1 Davenport 1910 • 0-4-0T
X-2-a CN 2 PRR-A 1896 • 0-4-0
X-3-a CN 3 ALCO-R 1913 • 0-4-0T
X-4-a CN 10-27 CLC 1882-1904 • 4-4-0
X-5-a CN 28-31 CLC 1907 • 4-6-0
X-5-b CN 32-35 CLC 1918 • 4-6-0
X-6-a CN 36-37 Baldwin 1872-1873 • 0-4-0T
X-7-a CN 38-40 Baldwin 1898 • 0-4-0T
X-8-a CN 41 GTR-P 1883 • 4-4-2T
X-9-a CN 42-44 GTR-P 1883 • 4-4-2T
X-10-a CN 45-50 MLW 1914 • 4-6-4T