WDM 3A 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
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
