Both trains are hauled by Howda based WAP-4 / WAP-7 locomotive on its entire journey.
Service
22551/Darbhanga–Jalandhar City Antyodaya Express has an average speed of 67 km/h and covers 1,397 kilometres (868 mi) in 25 hours 45 minutes.
25552/Jalandhar City–Darbhanga Antyodaya Express has an average speed of 65 km/h and covers 1,397 kilometres (868 mi) in 25 hours 30 minutes.
Coach composition
The trains are completely general coach trains designed by Indian Railways with features of LED screen display to show information about stations, train speed, etc. Vending machines for water are available. Bio-toilets in compartments as well as CCTV cameras and mobile charging points and toilet occupancy indicators.