Meet the fastest loco of IR - GZB WAP5(i) 30086 (Not sure why NR hasn't suffixed this loco with the letter 'i').
Some differences in this new loco :-
Maximum permissible speed : 200 km/h (others 160)
Gear ratio : 59:35:19 (others 67:35:17)
VCU...
more... : TCN compliant (most of the others have MICAS)
Traction converters : Insulated Gate Bipolar Transistor (IGBT) based with individual motor cut-out facility (most of the others are GTO)
Gear type : Alternate Drive Gear Assembly (most of the others have Hurth Coupling)
This will haul Gatimaan :D
Source of information :
click here