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I believe that this is a different locomotive to BHP Whyalla DH class, mainly because that those weren't all narrow gauge locos. Well if I'm wrong just leave me a message on my talk page, and we can see about merging the information. Happy editing Starfleet Academy " Live long and prosper." 08:35, 6 January 2012 (UTC) reply

How was the re-gauging accomplished? By bogie exchange or by mounting the wheels to suit the narrower gauge on long axles that fit onto the original 3 ft 6 in (1,067 mm) bogies and which axles have been machined to suit? Peter Horn User talk 19:04, 28 July 2014 (UTC) reply

I had some answers to the same sort of question at Talk:New Zealand British Rail Mark 2 carriage#Regauging. Peter Horn User talk 04:06, 30 July 2014 (UTC) reply