The Queensland Railways A12 class locomotive was a class of 4-4-0 steam locomotives operated by the Queensland Railways.
History In 1878, the Queensland Railways took delivery of three 4-4-0 locomotives built by Baldwin Locomotive Works. Two entered service on the Southern & Western Railway and one on the Central Railway. Per Queensland Railway's classification system they were designated the A12 class, A representing they had two driving axles, and the 12 the cylinder diameter in inches.
Class list WorksnumberCentral RailwaysnumberSouthern & WesternRailway numberQueensland RailwaysnumberIn serviceNotes419711167July 1878Condemned June 191341983838June 1878Condemned June 191241993939July 1878Condemned June 1912
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