Ye nahi notice kar paya..... but it was WAP 4 .....26th ko bhi 04066 anvt hlz express ke sath bhi WAP 4 hi tha ...usne bhi achchha response diya tha. Mujhe lagta hai....WAP 4 air WAP 7 me exeleration ka fark hai....baki technical variant mujhe jyada pata nahi hai....
....both locos are COCO...