Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. GWR Hercules Class - The Hercules Class were four broad gauge steam locomotives for the Great Western Railway. They were the first 0-6-0 locomotives being built in 1842 by Nasmyth Gaskell and Company. They were all withdrawn in 1870 and 1871.From about 1865 the Hercules Class locomotives became part of the Fury Class along with the Premier Class locomotives.
The answer is:
Mean Of Transportation