NBEC 4230 was an MLW C-424 purchased from Canadian Pacific. CP 4230 was built in 1965 and was shown as still active on CP in early 1997. NBEC 4230 was repaired in December 1999 by the NBEC Campbellton shop after an unknown incident. It was sent to IRSI on June 17 2003 for work.
On January 13 2005 it left the NBEC for the West Chester Railroad in Yorklyn, Delaware. See this link, this link, and this link for the story of its adventures passing through Philadelphia, PA.