WDG-3A - WDM3A लोकोमोटिव (WDM3A Locomotive )

WDM3A Locomotive 

This is mixed service loco made for hauling more load. These are of two types one is rebuilt WDM2 and other is new one. New loco has 14000 series and rebuilt loco has 16, 17, 18 series. In WDM3A, 3 stands for 3000 and A for additional 100 HP hence the horse power engine is 3100 HP. It has fuel efficient kit & AC-DC transmission. Equipments of Superstructure are similar to WDG3A loco and under truck are similar to WDM2 loco.

General Data 

Engine Horse Power                                 3100 HP 

Loco Horse Power                                    2900 HP 

Maximum Speed                                      120 Km/h 

Weight                                                      112.8T 

Axle Load                                                18.8 T 

Tractive effort                                          30.5T 

Brake System                                           IRAB-1 

Transition                                                 47.5 Km/h 

Generator                                                 Only Alternator 

Type of Diesel Engine                              251B (Up rated) 

Engine Idle Speed                                    400 rpm 

Engine Speed on 8th notch                      1050 rpm 

OSTA Setting                                           1180 ± 20 rpm 

Power Contactor                                            9 

Reverser                                                    1 BKT 1 

Length of Loco                                         17120 mm 

Locomotive Driving                                 Left Hand/Right 

Hand Bogie                                              CO-CO Tri-mount 

Traction Motor                                         DC Series Motor 

Engine Governor                                      EH / WW/MCBG 

Main Crankshaft Overlapping Period      140 0