Coalfield Express

12339 / 12340 Howrah – Dhanbad Coalfield Express is a daily superfast train that connects the major coal and industrial city of Dhanbad, Jharkhand with the adjoining coal and industrial cities of Asansol, RaniGanj, Andal, Waria, and Durgapur with the capital city of West Bengal, Kolkata. This train is also known as the twin / sister train of the Dhanbad - Howrah Black Diamond Express.

Schedule
The 12339 Howrah – Dhanbad Coalfield Express departs from Howrah at 17:20 hrs and arrives in Dhanbad at 21:55 hrs, covering the distance of 259 km in 4 hrs 35 min, with an average speed of 56 km / hr and maximum speed of 130 km / hr. On its return journey, the 12340 Coalfield Express departs from Dhanbad at 05:50 hrs and arrives in Howrah at 10:25 hrs; covering the distance in 4 hrs 35 min with an average speed of 56 km / hr.

Coach composition and rake sharing
The train consists of modern LHB coaches: two AC Chair Car coaches (C1 and C2), four Non-AC Chair Car coaches (D1 to D4), nine Unreserved General coaches (UR), one Ladies Unreserved General coach (LDS-UR) one Sitting cum Luggage Rake coach (SLR) and one End on Generation (EOG) / Power car.

The train shares its rake with the following trains:


 * 12337 / 12338 Howrah – Bolpur (S) Shantiniketan Express
 * 12341 / 12342 Howrah – Asansol Agnibina (Bidhan) Express
 * 13011 / 13012  Howrah – Malda Town Intercity Express (Via Rampurahat)

Route and halts

 * Dhanbad Junction
 * Kumardubi
 * Barakar
 * Kulti
 * Sitarampur
 * Asansol Junction
 * Raniganj
 * Andal Junction
 * Durgapur
 * Panagarh
 * Mankar
 * Howrah

Traction
It is hauled by a Howrah Loco Shed based WAP-7 electric locomotive on its entire journey.