 The Fairlie engine "Mountaineer" was in use on the line in April 1866, but by October 1867 it was in use on the Neath and Brecon Railway, of which Dickson was also the contractor and whose traffic he was working.The Neath and Brecon's 0-6-0 "Miers" also operated on the ACR, under the name "Anglesea".Neither of those engines was considered successful.