EMD G12

EMD G12 series
Class M2 570 - "ALBERTA" in Sri Lanka
Power type	Diesel-electric
Builder	General Motors Electro-Motive Division (USA), General Motors Diesel (Canada) Clyde Engineering (Australia)
Model	G12
Build date	1950s
Total produced	B-B version: 670 A1A-A1A version: 300
AAR wheel arr.	A1A-A1A and B-B
Gauge	narrow gauge, standard gauge, broad gauge
Locomotive weight	107 long tons (109 t; 120 ST)
Fuel capacity	2,840 litres (750 US gal; 620 imp gal)
Prime mover	EMD 567
Cylinders	12
Cylinder size	8.5 × 10 in (216 × 254 mm)
Power output	1310 or 1425 bhp
Tractive effort	19,100 kgf (187.3 kN)
Disposition	Most scrapped, many preserved, some still in service

The EMD G12 was a class of locomotive built by GM-EMD, and its Canadian affiliate General Motors Diesel. In addition, Australian licensee Clyde Engineering built ten locomotives for New Zealand in 1957, five for Hong Kong, 23 for Queensland, 14 for Western Australia and seven for BHP. Australian licensee Commonwealth Engineering also built 42 for Queensland Rail in 1964–66. Many examples were built in the 1950-60s for railroads all over the world. They are powered by EMD 12-567C prime movers rated at 1250 hp. Some have been rebuilt with EMD 645 engines.

Original Owners

Bo-Bo version

Australia

• 7 Broken Hill Proprietary Company – DE class

Brazil

A total of 241 locomotives:

• 2 Estrada de Ferro de Goiás 5201–5202
• 30 Mogiana Railway 3001–3030
• 43 Estrada de Ferro Noroeste do Brasil 1101–1143
• 17 Rede de Viação Paraná-Santa Catarina
• 18 São Paulo Railway 700–717
• 25 Rede Mineira de Viação 2201–2207, 2217–2228
• 71 Viação Férrea do Rio Grande do Sul 2121–2145, 2161–2168, 6169–6206
• 35 Estrada de Ferro Vitória a Minas 531–565

Canada

• 2 London and Port Stanley Railway L4, L5
• 1 General Motors Diesel demonstrator 7707 (to Sweden as Statens Järnvägar T42)

Chile

• 3 Andes Copper Mining 81–83

Egypt

• 97 Egyptian Railways 3701–3797. The 1967 Israeli invasion of Sinai captured 4712, 3715, 3766 and 3795, which were appropriated to Israel Railways stock.

Israel

• 23 Israel Railways 104–126, some since rebuilt with 12-645E engines. After the 1967 invasion of Sinai the four captured Egyptian G12s were renumbered 127–130.

Iran

• 137 RAI 40.01–40.137

Hong Kong

• 5 Kowloon-Canton Railway 51–55 (52–55 to Chicago Freight Car Leasing Australia as TL152–TL155)

Mexico

• 84 Ferrocarriles Nacionales de México 5806–5889

South Korea

• 47 Korean National Railways 4001–4015, 4101–4110, 4201–4222

Nigeria

• 25 Nigerian Railways 1101–1125

Norway

• 2 Sydvaranger 1, DE101 – G12

Sri Lanka

• 2 Sri Lanka Railways.

Class M2C 626–627 (Only use for upcountry between Rathmalana, Colombo- Kandy, Badulla)

Venezuela

• Government Coal Mines 01–03

A1A-A1A version

Argentina

• 25 Sarmiento Railway 4501–4525

Australia

• 13 Queensland Rail 1400–1412 – 1400 class (remainder of order built as 1450 class; Co-Co)

Brazil

A total of 26 locomotives:

• 6 Rede Mineira de Viação 2708–2712
• 20 Viação Férrea do Rio Grande do Sul 2101–2120

Indonesia

• 11 Indonesian State Railways BB201 01–BB201 11

Mexico

• 6 Ferrocarriles Nacionales de México 5800–5805

New Zealand

• 146 New Zealand Government Railways 1400–1545 – NZR DA class

Sri Lanka

Sri Lanka Railways Class M2D 628

• 12 Sri Lanka Railways. All except M2 571 still in daily operation (1)
  • Class M2 569–573 One engine(M2 571)destroyed by terrorism.
  • Class M2A 591–593
  • Class M2B 594–595
  • Class M2D 628–629

Taiwan

• 52 Taiwan Railway Administration R21–R72; some of their engines were replaced to 12-645E. R56–59: sent to Malawi Railways in July 2006.

USA

• 1 Electro-Motive Division demonstrator 1956

Co-Co version

Australia

A total of 66 locomotives:

• 10 Queensland Rail 1450–1459 – 1450 class (initial part of order built as 1400 class; A1A-A1A)
• 42 Queensland Rail 1460–1501 – 1460 class
• 14 Western Australian Government Railways 1501–1514 – A class

Gallery

• 

  Kowloon-Canton Railway 51, a G12 built by Clyde Engineering (serial number 55-59 of 1955), photographed in the Hong Kong Railway Museum, November 2005.

• 

  Estrada de Ferro Vitória a Minas (EFVM) 531, a G12 built by EMD (serial number 21936 of 1956) photographed at Aimorés station, Aimorés, MG, Brasil, March 2008.

• 

  Taiwan Railway Administration R69 at Changhua Roundhouse.

• 

  Sri Lanka Railways Class M2 No 628 at Matara.

References

Unofficial EMD Homepage G12 orders [1]

See also

• List of GM-EMD locomotives
• List of GMD Locomotives