After a disappointing experience with the DF class locomotives and facing significant capacity issues on the NIMT, NZR entered into an agreement with General Motors for the supply of 30 G12 model locomotives following a tender process. Designated by NZR as the DA class one of the major appeals was the guarantee of delivery within five months.
Following a poor experience with the DF class locomotives and struggling with substantial capacity issues on the NIMT, NZR entered into an agreement with General Motors to supply 30 G12 model locomotives after a competitive bidding process. The DA class was designated by NZR as one of the major advantages was the guarantee of delivery within five months.