By 1868 B&MR operated 13 locomotives and 429 cars, mostly freight, with net earnings of $299,850 in 1867.
In total, the WAGR operated at least 223 4-6-2 locomotives, acquired between 1902 and 1950, making it by far its most numerous wheel arrangement.
Amtrak operates 425 locomotives (351 diesel and 74 electric) and a variety of railroad cars, both passenger and service stock.
Swiss company BLS operates 18 similar locomotives, designated Re 465.
Transoil operates 34,000 tanker railcars and 36 locomotives.
Up until this point, the railway had operated 33 steam locomotives, 14 electric locomotives and 4 diesel locomotives.
As at June 2012 the company operates 596 locomotives and 12,875 wagons.
These have been converted to allow test-trains to run in push-pull mode, therefore eliminating the need to operate two locomotives (one at each end of the train).
In February 1904, the railroad operated 2 locomotives and 3 passenger cars.
In early 2011, MR operated 389 locomotives and 4673 railway coaches.