The 201 Class is a group 34 locomotives that were built for Ireland during the boom years of the Celtic Tiger and were manufactured by General Motors EMD in Ontario, Canada. 32 for Iarnród Éireann and 2 for Northern Ireland Railways. They arrived in Ireland during 1994-1995, the first to arrive was 201 which flew into Dublin Airport on an Antonov An-124 for tests and driver training, the rest travelled by sea. All were named after Irish Rivers, with both Irish and English translations except fot the NIR engines which only had the English translations. The two NIR engines, along with two IE engines were designated to run the Enterprise between Dublin and Belfast coinciding with the arrival of the De Dietrich Set in 1997. All Enterprise engines received this livery. The livery was then changed to a Green and Silver Livery in 2009 but only De Dietrich sets and 207 received this livery, with the remaining Enterprise engines with an addional two engines from IE, retaining the old Enterprise livery. A Purple and Silver livery was applied 2015 with an addional two engines from IE and this livery has been used ever since. Additonally 230 still retains the Original Enterprise Livery while in storage in Inchicore.