New Zealand DI class locomotive
At the time of their introduction , the class was seen as an alternative to the DB class for use on lightly laid secondary and branch lines , more so in the South Island , however the World Bank financed introduction of the Japanese built DJ class in 1968 ensured that no further DI class locomotives were purchased by New Zealand Railways . 
<triplet> DJ class <subj> 1968 <obj> service entry <subj> New Zealand Railways <obj> operator