Indian locomotive class WDP-1

The WDP-1 class is diesel-electric locomotive that is used by Indian Railways .It is a lower powered version of the WDM-2 .These locos have a 2300 hp powerpack, . The engine is a converted version of the Alco 251C model with a 12-cylinder engine and low overall weight with a max. speed of 140 km/h, Bo-Bo fabricated bogies loosely based on the Flexicoil models

Indian locomotive class WDP-1/1M
WDP-1 hauling GNT - MCLA Pass
Type and origin
Power typeDiesel
BuilderDLW
ModelDL560C
Build date1995-99
Total producedWDP-1: 69
Specifications
Configuration:
​
 • UICBo-Bo
Gauge1,676 mm (5 ft 6 in)
BogiesBo-Bo fabricated bogies loosely based on the Flexicoil models
Wheel diameter1,092 mm (3 ft 7 in)
Wheelbase12.834 m (42 ft 1 1⁄4 in)
Length14.810 m (48 ft 7 1⁄8 in)
Width2.95 m (9 ft 8 1⁄8 in)
Height4.077 m (13 ft 4 1⁄2 in)
Axle load20,000 kg (44,000 lb)
Loco weight80,100 kg (176,600 lb)
Fuel typeDiesel
Fuel capacity5,000 L (1,100 imp gal; 1,300 US gal)
Prime moverALCO 251-C
RPM range390rpm-400rpm idling, 1000rpm at 8th notch
Engine typeV12 diesel
AspirationTurbo-supercharged
Traction motorsBHEL 5002AZ CGL 7362A
Cylinders12
Cylinder size228 mm × 266 mm (8.98 in × 10.47 in)
bore x stroke
TransmissionDiesel-electric transmission
MU working2
Train brakesAir and Dual
Performance figures
Maximum speed140 km/h (87 mph)
Power outputMax:2,300 hp (1,700 kW)
Site rated:2,000 hp (1,500 kW)
Tractive effort20 t (20 long tons; 22 short tons)
Career
OperatorsIndian Railways
Numbers15001-15069
LocaleAll over Indian Railways
Dispositionactive

History

They are still in service and are homed either at TKD & BZA to haul short commuter trains & Shunting around the area. They look just like all other ALCOs and are easily identified by the laterally “sculpted” and baldie grille-less short hood.

WDP1M is a rebuilt version with better powerpack and better cooling via a modified radiator.The biggest change is in the suspension. Rubber springs have been provided instead of coil springs, along with other changes to the suspension and axle components

Locomotive sheds
WDP1M twin locomotives bringing Seshadri Express
ZoneNameShed CodeQuantity
Northern RailwayTughlakabadTKD44
South Central RailwayVijayawadaBZA16
Total Locomotives Active as of 01-06-2020[1]60

See also

References
  1. "Railway Website Mechanical Department". Retrieved 16 May 2020.
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