Four locomotives were built as demonstrations by the General Motors Diesel of
London, Ontario. alongside the
GMD GMDH-3 being completed in January 1960. The maximum speed the locomotives could operate at was .
First locomotive The first locomotive, given the serial number A1597, was completed in December 1956 and numbered GMDD 1001. The locomotive was originally painted in a two-tone blue and spent its first two years of service in demonstration runs and on display. The locomotive was nicknamed the "Blue Goose" in reference to its livery. The locomotive was given to the
Canadian Railroad Historical Association in July 1977, and passed into the collection of the
Canada Science and Technology Museum in November 1986 after being restored by Al Howlett of London, Ontario. On January 2, 1960, the Estrada de Ferro Sorocabana sold the locomotive to the . The locomotive was last sold to the
Rede Ferroviária Federal Sociedade Anônima, still numbered 600, and transferred to the , renumbered 6031.—in October 1972. The locomotive was then sold to
Limestone Quarries Ltd. of
Uhthoff, Ontario in October 1973, renumbered 3-6902. It was sold again to Ennis-Paikin in September 1978, who resold it in February 1980 to
Raritan River Steel of
Perth Amboy, New Jersey, renumbered 3. After being rebuilt by Peacock Bros. of
Edmonton, the locomotive was sold to
Hudson Bay Oil & Gas in
Kaybob, Alberta, also numbered 3, in January 1981. It worked for a construction company to assist in the building of the
Mangla Dam. {{cite book ==See also==