WAG 12 VS WAG 9 INDIAN RAILWAYS DOUBLE DECKER FREIGHT

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 broad gauge, Alternating Current, Goods traffic locomotive, 12000hp. They entered trial service in 2019.
The Indian locomotive class WAG-9 is a class of 25 kV AC electric locomotives that was developed in 1995 by ABB Group for Indian Railways. The model name stands for broad gauge, AC Current, Goods traffic, 9th generation locomotive. They entered service in 1996.