Table of Contents
What is WDP4 engine?
The EMD GT46PAC or WDP4 is a passenger-hauling diesel-electric locomotive with AC electric transmission designed by General Motors Electro-Motive Division and built by both GM-EMD and under license by Banaras Locomotive Works (BLW) of Varanasi, India for Indian Railways as the classes WDP4, WDP4B and WDP4D.
What is Lhf mode in locomotive?
Long Hood Forward (LHF) – This is a driving mode for locomotives when the locomotive is driven with the driving cab behind the longer Hood length of the locomotive body. Visibility might be a problem here and many locomotives have speed controls when driven in LHF.
Does EMD make locomotives?
EMD continues to offer 710-powered locomotives for export as well as “ECO” upgrade packages for modernizing of older locomotives, which sustained their business during the hiatus of locomotive production for the domestic market.
Why do trains run long hood forward?
A few railroads (Southern and Norfolk & Western stood out) chose dual controls but ran long-hood first by agreement with the Brotherhood of Locomotive Engineers and/or Brotherhood of Locomotive Firemen & Enginemen; the stated rationale was to provide protection for the engine crew in the event of a grade-crossing …
Why do long hoods forward?
The last road units N&W purchased came with conventional low-nose short hoods set up as the “front,” and without dual controls. For a time after the NS merger, new units were purchased under the Southern philosophy of long hood forward, but with low-nose short hoods.
Why do they put locomotives in the middle of trains?
By placing DPUs throughout the train rather than just at the rear—thus distributing power more evenly—railroads were able to enhance a train’s carrying capacity. Computers in both the lead unit and remote units also allow an engineer to coordinate braking and acceleration, as well as redistribute power as they see fit.
What is the history of WDP-4 loco?
The WDP-4 was the loco originally designed by GM EMD and 10 of them were dispatched to India by June 2001. Later on Banaras Locomotive Works, Varanasi started building them initially using knocked-down kits and later indigenously. Starting 2003, the locomotives were produced in large numbers by DLW.
Why did the Indian Railways decide to go for diesel locomotives?
It took four decades after running around with the “mixed” WDM series that the Indian Railways finally thought that it would be a good idea to come out with separate dedicated specialized diesel locomotives (engines) for passenger and freight services.
What is the top speed of WDP4 diesel?
Top (Rated) Speed: 160 kph The WDP4 would change Indian passenger diesel services for ever. These 4000 hp single cab-forward behemoths that took India by storm were originally the GT46PAC exclusively built and supplied for the Indian Railways by EMD, USA in 2001.
What is the name of WDP3A in Indian Railways?
The WDP3A is best known as the power for the Trivandrum Rajdhani on the Konkan Railway and are homed at Golden Rock Trichy (GOC) (SR) and Tughlakhabad (TKD) NR sheds. TKD WDM3As are named “Pushpak”. The WDP3A still remains one of IR’s most handsome locomotives.