Maine Central Railroad Class L locomotives were intended for main line passenger service.
They were of 4-4-0 wheel arrangement in the Whyte notation, or "2'B" in UIC classification.
They were transferred to branch line passenger service as replaced by class N 4-6-0 locomotives beginning in 1899.
Ten numbered 191 to 201 survived United States Railroad Administration operations to appear on a 1923 roster.
[1] All were retired between 1925 and 1947 and were scrapped from 1945-1955 .