EMD G18

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EMD G18
Ferronor G18U 72 Llanta.jpg
Ferronor G18U 72 (Former Andes Copper Mining)
Type and origin
Power type Diesel–electric
Builder GM-EMD La Grange, Illinois, USA, MACOSA, Spain
ModelG18
Build dateMarch 1968-October 1978
Total produced59
Specifications
Configuration:
   AAR A1A-A1A or B-B
Gauge 1,000 mm (3 ft 3+38 in)
3 ft 6 in (1,067 mm)
4 ft 8+12 in (1,435 mm)
Driver dia.40 in (1,016 mm)
Wheelbase 8 ft 0 in (2.44 m) (Each truck B-B) 10 ft 05 in (3.18 m) (Each truck A1A-A1A)
Length38 ft 0 in (11.58 m)
Width9 ft 8+34 in (2.97 m)
Height12 ft 2+1116 in (3.73 m)
Loco weight124,000 lb (56,250 kg) (62T, G18U6) 134,100 lb (60,830 kg) (67.5T, G18U) 142,900 lb (64,820 kg) (71.45T, G18W)
Fuel capacity500 US gal
(1,900 L; 420 imp gal)
Lubricant cap.130 US gal
(490 L; 110 imp gal)
Water cap.126 US gal
(480 L; 105 imp gal)
Sandbox cap.9 cu ft
(0.25 m3)
Prime mover GM 8-645E
Engine type V8 2-stroke diesel
Aspiration Roots blower
Generator GM D25
Traction motors GM D29 (4)
Cylinders 8
Loco brake Straight air
Train brakes Air or Vacuum schedule 26-LA
Performance figures
Power output1,000 hp (750 kW)
Career
LocaleSouth America, Middle East, Africa, Asia
DispositionSome scrapped, many still operating

The EMD G18 is 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 is 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 is 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.

Contents

Several countries have purchased these locomotives. [2]

A1A-A1A Version Original Owners

PT Kereta Api Indonesia GL18U6 BB202 01 pulling a freight train Ptkabb202 (202 01 A).jpg
PT Kereta Api Indonesia GL18U6 BB202 01 pulling a freight train

Chile

Indonesia

B-B Version Original Owners

Chile

Iran

Israel

Peru

Sheltam G18U 1001 (Former Anglo American Corp.) Sheltam G18U.jpg
Sheltam G18U 1001 (Former Anglo American Corp.)

Saudi Arabia

South Africa

Spain

G18B Original Owners

Algeria

References

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