The Indian locomotive class WDG-4 (EMD GT46MAC) is a type of six-axle (Co-Co) freight -hauling diesel–electric locomotive with AC electric transmission designed by General Motors Electro-Motive Diesel [1] in 1997–1998 for Indian Railways, where they are classed as WDG-4.

General Motors EMD (Electro-motive Diesel) locomotives have dominated the non-electrified tracks of India since 1999 when the WDG4 started operations in India. But the WDG4 and WDP4 were not...

2014年1月6日 · WDG4. Totally new and modern locos from EMD USA; V16 2-stroke Turbo Diesel GM 16-710G3B; Rated Power Output: 4000 hp @ 900 RPM; Engine Displacement: 186160 cc; Production Period: 1999-2012 ; Number Produced: 431; Wheel Arrangement: Co-Co; The massive WDG4 changed everything!

Recent WDG4 units have GTO control of the traction motors. WDG4D refers to a dual cab version of the WDG4 design, intended to eliminate the problem of running long hood forward. The Cab-I have a wider profile like WDP-4B, to improve visibility compare to Cab-II which is smaller. Engines --- GM-EMD 16-710 G3B, 4000hp, with EMD 'G' turbocharger.

The EMD GT46MAC is a freight-hauling diesel-electric locomotive with AC electric transmission built by General Motors Electro-Motive Division [1] in 1997–1998 for Indian Railways, where they are classed as WDG4. [2] Thirteen were built by EMD as order #958647, and a further eight were exported in kit form and were assembled in India.

2024年9月20日 · This locomotive is renowned for its reliability and efficiency, making it a vital asset for freight operations on Indian Railways. If you need more specific.

2018年1月1日 · In this article, we would like to trace the design and working of WDG4 7-10 SERIES V16 engine used in Indian railways. WDG4 engines are GM's GT46MAC models.

2014年7月25日 · A railfanning trip to capture the inaugural run of Mysore Varanasi Special resulted in meeting the first WDG4 of Indian railways 12001. This loco is homed at Hubli loco shed and it still retains the original livery given by EMD. We first saw it at Chikbanavar along with its shed mate 12089. The loco was sent light towards Yesvantpur.

1999年7月7日 · EMD: Manufacturer Serial No. 956847-7: Date of Manufacture: 1999-07-07: Loco Name: Status: Withdrawn: Old Loco Class: Livery: Turquoise with cream cab & band: Comments: Air brake only. Cab badly damaged in attack by People's War activists at PGP, AP, 24/12/2002, subsequently repaired at DLW. For conversion to WAG11 electric [August 2019]

The document provides specifications for EMD's GT46MAC freight and GT46PAC passenger locomotives. The locomotives are powered by a 16-710G3B engine and use AC traction technology. Key features include reliability, serviceability and safety improvements over previous locomotive models.