The GMD GMD1 was a diesel locomotive

Diesel locomotive

A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...

 produced by General Motors Diesel

General Motors Diesel

General Motors Diesel was a Canadian railway diesel locomotive manufacturer.-History:General Motors Diesel, Limited, was created in 1949 as the Canadian subsidiary of the Electro Motive Division of General Motors located in the United States...

 (GMD), the Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 subsidiary of General Motors Electro-Motive Division, between August 1958 and April 1960. This switcher

Switcher

A switcher or shunter is a small railroad locomotive intended not for moving trains over long distances but rather for assembling trains ready for a road locomotive to take over, disassembling a train that has been...

 locomotive was powered by a 12-cylinder EMD 567C diesel engine, capable of producing 1,200 horsepower

Horsepower

Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

. The GMD1 was built on either flexicoil A1A-A1A or flexicoil B-B trucks. 101 examples of this locomotive were built for Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 railways. 96 went to Canadian National Railway

Canadian National Railway

The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....

 and the remaining 5 went to Northern Alberta Railways

Northern Alberta Railways

Northern Alberta Railways was a Canadian railway which served northern Alberta and northeastern British Columbia. Jointly owned by both Canadian National Railway and Canadian Pacific Railway, NAR existed as a separate company from 1929 until 1981....

.

Original Owners

Road	Quantity	Road numbers	Notes
Canadian National Railway Canadian National Railway The Canadian National Railway Company is a Canadian Class I railway headquartered in Montreal, Quebec. CN's slogan is "North America's Railroad"....	78	1000–1077	A1A-A1A trucks
Canadian National Railways	18	1900–1917	B-B trucks; fitted with steam generators
Northern Alberta Railways Northern Alberta Railways Northern Alberta Railways was a Canadian railway which served northern Alberta and northeastern British Columbia. Jointly owned by both Canadian National Railway and Canadian Pacific Railway, NAR existed as a separate company from 1929 until 1981....	5	300–305	A1A-A1A trucks

Second Hand Users

A number of GMD-1 were sold in the 1990s, including a few were acquired by Ferrocarriles de Cuba

Ferrocarriles de Cuba

Ferrocarriles de Cuba or Ferrocarriles Nacionales de Cuba , the only railway operating in the Caribbean islands, provides passenger and freight services for Cuba.-Route Network:...

.