Class 25 (EMD GT18LC-2) at Kuala Lumpur Station.
Type and origin
Power type Diesel
Builder EMD
Model GM GT18LC-2
Total produced 31
AAR wheel arr. C-C
Gauge 1,000 mm (3 ft 3 38 in) metre gauge
Prime mover EMD 8-645E 3C
Engine type 2-stroke diesel
Aspiration Roots-type supercharger
Cylinders V8
Transmission DC traction motor
Loco brake Straight air
Train brakes Straight air
Performance figures
Maximum speed 107 km/h (66 mph)
Power output 1,500 hp (1.12 MW)
Tractive effort 438 kN (98,000 lbf)
Locale Export

The EMD GM GT18LC-2 diesel electric locomotive was introduced by Electro-Motive Diesel as an export model switcher in the 1970s. The prototype model spent its life at the General Motors plant in London, Ontario and inspired sales to Egypt (which then canceled their order) and later Malaysia's Keretapi Tanah Melayu (KTM) in 1980 where it was designated KTM Class 25. KTM had been facing a shortage of shunters at that time. The prototype was eventually sold with another eleven more units to KTM in 1990 and after seeing the locomotives' reliability, placed a second order of five locomotives which arrived in 2002.

During KTM's second order of the GT18LC-2, Ghana Railway also placed an order for 14 locomotives of the same model which arrived in 1996.

Original Owners

Railroad Quantity Works No. Local Designation Numbers Notes
General Motors 1 GT18LC-2 Sold
Keretapi Tanah Melayu 12 Class 25/1 25101-25112 Delivered 1990, All in active service.
Keretapi Tanah Melayu 5 Class 25/2 25201-25205 Delivered 2002, All in active service.
Ghana Railway 14 928803 Class 16xx 1670-1683 Delivered 1996, All in active service.


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