Traveling by 12409 from Nagpur to Hazrat Nizamuddin today. Noticed that the link changed from an ED WAP-4 to a TKD WAP-7 at Nagpur.
Is this common? It's a long rake, usually runs on time, and so it'd stand to reason it'd get a WAP-7 to negotiate Teegaon-Chichonda bankerless.