A WAG-9 is a powerful, three-phase AC electric locomotive used by Indian Railways for hauling heavy freight trains, with its name breaking down to W (Broad Gauge), A (AC Current), G (Goods service), and 9 (9th generation). Developed with support from ABB, it's a backbone for freight transport, known for its high horsepower (around 6000 HP in base form), robust design, and regenerative braking, with variants like the WAG-9H (heavier) and WAG-9HH (higher power) for increased performance wag9, indian railways, wag 7