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Result of Train Manager (Goods Guard) Departmental Exam

WDG-3A – WDM3A लोकोमोटिव (WDM3A Locomotive )

January 4, 2021, 12:31 AM
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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

 

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This entry was posted in 2 Railway Employee, 7 Study Material & Guide, Diesel Loco, WDG - 3A Locomotive