Withdrawals
As of February 2013 a total of 15 units have been withdrawn from New Zealand service. Nine of these (4006, 4087, 4202, 4657, 4686, 4703, 4749, 4778 and 4824) have been withdrawn as a result of accidents, with a further five (4127, 4162, 4179, 4496 and 4507) withdrawn from service as surplus to then-existing and anticipated operational requirements. 14 units have been scrapped, while DC 4507 is currently placed in storage at Hutt Workshops as spare parts.
Another withdrawn locomotive, DC 4588, was shipped to Tasmania (along with QR class locomotives) in December 1998 for use on TasRail, then part-owned by Tranz Rail and its parent Wisconsin Central through the Australian Transport Network. The locomotive was purchased outright by TasRail after an initial period used lease, but was placed into storage in 2002 after suffering an engine problem and was sold for scrap in 2011.
Read more about this topic: NZR DC Class