The locomotives were upgraded in the late 1990s with shunters refuges at the front and back of the locomotives, in line with other New Zealand shunting locomotives at the time.
In the 2010s the class were upgraded again for multiple unit (MU) operation.
The locomotives were upgraded in the late 1990s with shunters refuges at the front and back of the locomotives, in line with other New Zealand shunting locomotives at the time. In the 2010s the class were upgraded again for multiple unit (MU) operation.
New Zealand DH class locomotive