The Indian locomotive class WAG-12B is a class of 25 kV AC electric locomotives that was developed in 2017 by Alstom with technological collaboration with Indian Railways. The model name stands for wide gauge(W), Alternating Current (A), Goods traffic (G) locomotive-12 . They entered trial service in 2019. A total of 410 WAG-12B have been built at Electric Locomotive Factory, Madhepura, Bihar, India.
Saharanpur based WAG-12B at Bharatnagar.
Indian Railways operates India's railway system and comes under the purview of the Ministry of Railways of Government of India. As of 2023, it maintains over 108,706 km (67,547 mi) of tracks and operates over 13,000 trains daily with a fleet of 14,800 locomotives. The railways primarily operates a fleet of electric and diesel locomotives along with a few compressed natural gas (CNG) locomotives. Steam locomotives are operated on mountain railways and on heritage trains.
Locomotive classification and number displayed on a locomotive; WDM3A indicates a Broad gauge (L1), Diesel (L2), Mixed use (L3), 3100 HP (L4/L5) locomotive