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New Zealand TR class.
The New Zealand TR class is a class of diesel shunting locomotives built by many different manufacturers. Many of these locomotives have been withdrawn, but some are still in service. The first locomotives of this class were built by the Drewry Car Co in 1936, and had 52 kW or 90 kW petrol engines. The most powerful were Japanese-built Hitachi TRs, with 138 kW Cummins engines. Original public domain image from Flickr
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