It is hauled by a Sealdah-based WAP-7 or Howrah based WAP-4 from Sealdah to Jagiroad and vice-versa. From Guwahati to Silchar it is hauled by twin WDP-4D-class diesel locomotive of Siliguri shed. Also due to ghat section, banker locomotive are attached to it.
On 17 June 2024, Kanchanjungha Express was involved in an accident near New Jalpaiguri station in West Bengal. It was reported that the train was hit behind by Freight train resulting of 15 death and 30 injured.[3] As per the Chief Commissioner of Railway Safety (CCRS), the accident was because of multiple lapses in train operations management in automatic signal zones and "inadequate counselling" of loco pilots and station masters.[4][5]