EMD GA18
Taiwan Railway Administration S405 on display atMiaoli Railway Museum
Type and origin Power type Diesel-electric Builder GM-EMDLa Grange, Illinois, USA Model GA18 Build date February–November 1969 Total produced 7
Specifications Configuration: ​  • AAR B-B Gauge 1,000 mm (3 ft 3+3⁄8 in) 3 ft 6 in (1,067 mm) Driver dia. 32 in (813 mm) Wheelbase 5 ft 8 in (1.73 m) (Each truck) Length 38 ft 0 in (11.58 m) Width 9 ft8+3⁄4 in (2.97 m) Height 12 ft2+11⁄16 in (3.73 m) Axle load 13.5T Loco weight 108,000 lb (48,990 kg) (54T) Prime mover GM8-645E Engine type V82-stroke diesel Aspiration Roots blower Traction motors Two D75MC DC Cylinders 8 Loco brake Straight air Train brakes Air(Taiwan, Chile),Vacuum (Zambia) schedule 26-LA
Performance figures Maximum speed 45 mph (72 km/h) Power output 1,000 hp (750 kW)
Career Locale Taiwan (5), Chile (1), Zambia (1) Disposition Most scrapped, with the only known preserved example being S405, owned byTaiwan Railway Administration

TheEMD GA18 was an export locomotive built byGM-EMD in 1969. The GA18 was a derivative of theEMD G18 and was designed as an extremely light locomotive with low axle loading which used freight car trucks driven by cardan shafts and two traction motors attached to the underframe. It was the successor model of theEMD GA8. They were powered by an EMD 8-645E prime mover rated at 1100 bhp and 1000 hp for traction.^[1][2] Only seven units were built.^[3]

• 1FCAB 953

• 5Taiwan Railway Administration S401-S405

• 1 Nchanga Consol Copper 10

Taiwan Railway Administration purchased five GA18 locomotives in 1969^[1] which were equipped with special cab signal display and track sorting devices for use as Qidu hump yard switching locomotives. They were named the S400 series by the TRA. In addition to yard switching, the TRA S400 series GA18's were also used to pull short run commuter trains.^[4] After the closing of Qidu hump yard, the S400 series were used as general road switchers until their retirement.All have been scrapped with the exception of S405 which has been preserved and restored in its original blue paint scheme, and S402 which is currently stored in a half-dismantled state, Currently awaiting scrapping as it's nearly impossible to restore. Both locomotives are located inTaipei Railway Workshop

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