 Indian locomotive class WDP-4

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 Diesel Locomotive Works (DLW) of Varanasi, India for Indian Railways as the classes WDP4, WDP4B and WDP4D.The GT46PAC is a passenger version of the previous Indian Railways EMD GT46MAC freight locomotive.