Great Southern & Western class 900

In 1915, the Great Southern & Western had number 900 built in Inchicore as a banker locomotive for the incline between Kingsbridge and Clondalkin. It had a 4-8-0T wheel arrangement, making it the only Irish broad gauge locomotive to have four coupled axles. It had inside cylinders, a Belpaire firebox and some common parts with the classes 362 and 368.

In 1924 an identical locomotive was built with the number 901. In reality, however, it turned out that they easily derailed in marshalling yards with tight curves. Number 900 was soon rebuilt into a 4-6-2T by removing the coupling rods to the last axle, but this did not have the desired effect. It was withdrawn in 1928 and the 901 in 1931 because they did not perform roles for which there were no other suitable locomotives.