31621-WAG9Hi-TKD --- This unique variant of G9 from Tughlakabad ELS was waiting at Andul siding to proceed towards KGP with empty BCNAHS rake on 29th Oct 2015. Photographed by Somsubhra Das.

WAG9H(I) are heavier variant of the G9 with 12t extra ballast, welded at four locations in the machine room behind the cabs proposed by CLW approved by ABB and along with that these locos are fitted with Insulated Gate Bipolar Transistor (IGBT) control. Two inverter assembled for each bogie, enabling per-axle isolation in the case of traction motor failure. If one traction motor fails, power supply to its axle gets cut-off leaving the loco with 5000hp on the other axles.