EMD G18

The EMD G18 was an export locomotive introduced by GM-EMD in the late 1960s. The standard EMD suffixes applied after the G18 designation to indicate if the customer purchased locomotives with specific traction motors to fit narrow gauge (U) or broad gauge (W) rails. An (L) indicates a locomotive built with a lightweight frame, and (6) indicates A1A-A1A trucks. The similar EMD GA18 was a G18 designed as an extremely light locomotive with low axle loading and used freight car trucks driven by a cardan shaft and underframe mounted traction motors like its predecessor, the EMD GA8. A further variation was the G18B. They are powered by an EMD 8-645E prime mover rated at 1100 bhp and 1000 hp for traction[1] and were produced with A1A-A1A or B-B trucks.

EMD G18
Ferronor G18U 72 (Former Andes Copper Mining)
Type and origin
Power typeDiesel-electric
BuilderGM-EMD
Build date1967-1981
Total produced59
Specifications
Configuration:
​
 • AARA1A-A1A or B-B
Gauge1,000 mm (3 ft 3 3⁄8 in)
3 ft 6 in (1,067 mm)
4 ft 8 1⁄2 in (1,435 mm)
5 ft 6 in (1,676 mm)
Prime moverGM 8-645E

Several countries have purchased these locomotives.[2]

A1A-A1A Version Original Owners
PT Kereta Api Indonesia GL18U6 BB202 01 pulling a freight train

Chile

Indonesia


B-B Version Original Owners


Chile
  • 2 Andes Copper Mining 71-72

Iran
  • 2 Rah E Ahan 40451-40452

Israel
  • 1 Rotem Amfert Negev Ltd company in Mishore Rotem (former company name: Negev Phosphates Ltd)

Peru
  • 1 Cerro de Pasco 24

Saudi Arabia
  • 16 Saudi Govt. Railway 1006-1021
Sheltam G18U 1001 (Former Anglo American Corp.)

South Africa
  • 19 Anglo American Corp. (1 unit no #); 1–3; 21–25; Iron & Steel Corp. 36–42; 661.42-661.44

Spain
  • 4 Sheltam 1001-1004

G18B Original Owners

Algeria
  • 5 SNTF 040DH1-040DH5

Australia

6th and 7th order t class

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References
  1. Zurnamer, Bernard (1987). Electric And Diesel Locomotives of South Africa. p. 74.
  2. "G18 Order Summary". The UNofficial EMD Homepage.


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