EMD DH1

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The EMD DH1 was a class of experimental diesel-hydraulic switcher locomotives built by General Motors Electro-Motive Division in May 1951.^[1] It was powered by a pair of small diesel engines suspended under the frame, driving through a pair of Allison torque converter transmissions to the inside wheels on each truck. These inside wheels were substantially smaller than the outside wheels on each truck. One example exists in Clinton, Michigan as of 2020.

Over 60 examples of a three axle DHI and its derivatives were built by Clyde Engineering in Australia and used on private railways, in particular in the sugar industry in Queensland. The Clyde Engineering model was the DHI-71 and the two DHI-110s on Lakewood Firewood Company. These DHI models were built between 6/54 and 6/71.

• Lakewood Firewood Co/Commonwealth Railways DH1

• Extra 2200 South (40): 23. May–June 1973. {{cite journal}}: Missing or empty |title= (help)
• https://archive.today/20130222135134/http://community-2.webtv.net/ajkristopans/CLYDEENGINEERINGCO/