Classes of locomotives Steam Non-articulated List shows delivery year(s), railway and locomotive class, wheel arrangement (Whyte notation) and number in order. 1859 Victorian Railways J class (1859) , later 1859 Victorian Railways P class 1861 Victorian Railways B class (19) 1861 Victorian Railways O class (11) 1864–1885 Metropolitan Railway A class 1867–1868, 1872 Great Southern and Western Railway Class 101 (12) 1869 South Australian Railways G class (5) 1869 Holdfast Bay Railway Company (later, became South Australian Railways G class) (3) 1871–1886 District Railway 1873–1926 Various locomotives for the Isle of Man Railway 1880–1881 Midland Great Western Railway Class D (6) 1874 Victorian Railways F class (pattern engine) 1874 Victorian Railways T class (pattern engine) 1875 South Australian Railways J class (2) 1876 South Australian Railways U class (8) 1876 South Australian Railways V class (4) 1877–1882 South Australian Railways W class (35) 1878 NSWGR Z12 class|New South Wales Government Railways Z12 class 1879 South Australian Railways L class (4) 1879–1884 South Australian Railways K class (18) 1879 Victorian Railways M class (pattern engine) 1879 Victorian Railways 'Old' R class (pattern engine + 3) 1880 Holdfast Bay Railway Company (later, became South Australian Railways Gd class) (2) 1882, 1895, 1899 Sligo, Leitrim and Northern Counties Railway Leitrim Class (5) 1884 South Australian Railways P class (6) 1884 Victorian Railways 'Old' A class 1885–1898 South Australian Railways Y class 1885–1907 Tasmanian Government Railways C class (27) 1888–1907 Silverton Tramway Y class ; two (50) 1889 Western Australian Government Railways G class (7) 1897–1898 Belfast and Northern Counties Railway Class B (5) 1897 Glenelg Railway Company (later, became South Australian Railways Ge class) (2) 1898 Tobu Railway B1 class (12 locos) 1902 Victorian Railways DD class (20) 1904 Great Northern Railway (Ireland) Q Class (2) 1905 Dublin, Wicklow and Wexford Railway nos 65 & 66 (2) 1905 Dublin, Wicklow and Wexford Railway nos 67 & 68 (2) 1906–1920 Cork, Bandon and South Coast Railway Bandon Tank (8) 1908, 1911 Great Northern Railway (Ireland) Class RT (4) 1912, 1915 Silverton Tramway A class (4) 1913, 1915 Great Northern Railway (Ireland) Class S & S2 (8) 1913, 1915 Great Northern Railway (Ireland) Class SG & SG2 (10) 1913 Great Northern Railway (Ireland) Class T (5) 1915, 1947 Great Northern Railway (Ireland) Class U (10) 1921, 1929–1930 Great Northern Railway (Ireland) Class T2 (10) 1921 Rhymney Railway R class (6) 1922 Dublin and South Eastern