Indian locomotive class WDM-1

The WDM-1 was the first class of Wide Gauge (W), Diesel powered (D), Mixed load (M), meant for hauling both freight and passenger trains. These are also the first mainline diesel engines imported after Independence. They were even the fastest diesel locomotives till the advent of WDM 2 and WDM 4. They used to haul ore/freight trains on SER. In the end, they were relegated to shunting/piloting duties or hauling sugarcane freight trains. One unit, #17000, is preserved at National Rail Museum, Delhi.[2]

WDM-1[1]
A WDM-1 preserved at NRM, New Delhi
Type and origin
Power typeDiesel
BuilderALCo
ModelDL500C
Build date1957-1959
Total produced100
Specifications
Configuration:
​
 • AARC-C
 • UICCo-Co/ A1A-A1A (Co'Co'?)
Gauge1,676 mm (5 ft 6 in)
Loco weight111.2 t (109.4 long tons; 122.6 short tons)
Fuel typeDiesel fuel
Engine type12 cylinder, four-stroke diesel
AspirationTurbo-supercharged
Cylinders12
TransmissionElectric
Performance figures
Maximum speedMax: 104 km/h (65 mph)
Rated: 100 km/h (62 mph)
Power outputMax: 1,950 hp (1,450 kW)
Net: 1,800 hp (1,300 kW)
Tractive effort27,900 kgf (274 kN; 61,509 lbf)
Career
OperatorsIndian Railways
Numbers17000-17099
LocaleEastern Railway, South-eastern Railway and South-Central Railway
Withdrawn2000
Preserved1 (#17000) at NRM
DispositionWithdrawn from service. One unit is preserved.

WDM-1[3]
  • All locomotives of this class have been withdrawn from service.

Trains hauled by WDM-1

See also

References
  1. "IRFCAspecs".
  2. "Vadakkus". Archived from the original on 2013-09-26. Retrieved 2013-09-26.
  3. "IRFCA".

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