WDM7 Class Locomotives
The Loco Story :
In total fifteen locos built by Diesel Locomotive Works, Varanasi first between 1987-89.
Maximum speed limit - 105 kmph. Power output of 2000 hp.
These Co-Co diesel-electrics were designed for branch-line duties
Strikingly similar to that of a WDM2 & have bodies with two 3 axle bogies.
The first 10 locos have generators and a top speed of 105 kmph.
The last 5 in this series have dynamic brakes, alternators, and a top speed of 100 kmph.
Technicalities :
Engines --- Alco 251B-12 variant, 2000hp
Gear Ratio --- 94:17
Transmission --- Electric, with BHEL TG 10931 AZ generator - DC shunt wound (first 10), or BHEL TA 10105 AZ alternators - 3 phase star (the last 5)
Bogie type --- Alco cast frame trimounted (Co-Co) bogies.
Go to WDM7 Gallery : Click Here
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