WDP1 Class Locomotives
The Loco Story :
Built by Diesel Locomotive Works, Varanasi first in 1995.
Maximum speed limit - 100 kmph. Power output of 2300 hp.
A poor adaptation of the WDM2 intended for hauling small passenger trains with limited coaches, this model never performed well and has always had poor ride quality and maintenance problems.
With a 12-cylinder engine and low overall weight, used to have a Bo-Bo wheelset, rather unsual for mainline IR diesels.
With left-hand driving position in the cab these are often manned by single loco pilot.
Homed at Tughlakabad and Vijaywada. Used mostly for ordinary passenger trains.
Engines --- Alco 251C-12 variant, 2300hp, with Napier NA 295 or ABB VTC304 turbocharger. 1000rpm max / 400rpm idle.
Fuel injection, cooling, fans, governor as with WDM-2. 228mmx266mm bore/stroke. 12.5:1 compression ratio.
Gear Ratio --- 74:18
Transmission --- Electric, with BHEL TA 10106 AZ alternator (1000rpm, 750V, 4200A).
Axle Load --- 20 tonnes
Tractive effort --- 20t at 25% adhesion.
Bogie type --- Bo-Bo fabricated bogies
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