{{Italic title}}{{short description|Train in India}} {{Use dmy dates|date=January 2016}} {{Use Indian English|date=January 2016}} {{Multiple issues| {{More sources|date= May 2026}} {{Notability|date= May 2026}}}} {{Infobox rail service | name = Coalfield Express | image = Ministry of Railways India.svg | caption = | type = Superfast | status = | locale = West Bengal & Jharkhand | first = {{start date and age|df=yes|1955|03|01}} | operator = Eastern Railway | ridership = | start = {{stnlnk|Howrah}} (HWH) | stops = 11 | end = {{stnlnk|Dhanbad}} (DHN) | distance = {{convert|259|km|0|abbr=on}} | journeytime = 4 hrs 35 mins | frequency = Daily | class = AC Chair Car, Second Class Seating, General Unreserved | seating = Yes | sleeping = No | autorack = Overhead racks | catering = On-board catering, <br/> E-catering | observation = Large windows | entertainment = | baggage = Available | otherfacilities = Below the seats | stock = LHB coach | gauge = {{track gauge|1676mm}} | trainnumber = 12339 / 12340 | speed = {{convert|56|km/h|0|abbr=on}} aerage including halts. | maintenance = | map = | map_state = }}
The 12339 / 12340 '''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 Howrah – Dhanbad Black Diamond Express.<ref>{{Cite web |last=Thakur |first=Jishnu |title=12340/Coalfield Express - Dhanbad to Howrah ER/Eastern Zone - Railway Enquiry |url=https://indiarailinfo.com/train/-train-coalfield-express-12340/332/378/1 |access-date=2024-04-21 |website=indiarailinfo.com}}</ref> Initially running as 3029/3030, the train was converted to superfast on 3 June 2006, since when it has been running as 12339/12340.
==Schedule== thumb|Train board of Coalfield Express, indicating the rake sharing with Agnibina Express and Shantiniketan Express 12339 (HWH – DHN) departs from Howrah at 17:20 and arrives at Dhanbad at 21:55, while 12340 (DHN – HWH) departs from Dhanbad at 05:50 and arrives at Howrah at 10:25, thereby covering a distance of 259 km in 4 hours and 35 minutes, with an average speed of {{convert|56|km/h|0|abbr=on}} and maximum permissible speed of {{convert|130|km/h|0|abbr=on}} throughout the journey.
{| class="wikitable" width="65%" style="text-align: center;" ! colspan="5" align="center" style="background:brown;" |<span style="color:WHITE;">''HWH – DHN – HWH Coalfield Express''</span> |+ ! colspan="2" |12339 ! rowspan="2" |Stations ! colspan="2" |12340 |- |'''Arrival''' |'''Departure''' |'''Arrival''' |'''Departure''' |- | — |17:20 |'''{{stnlnk|Howrah Junction}}''' |10:25 | — |- |18:57 |18:58 |Mankar |08:04 |08:05 |- |19:05 |19:06 |Panagarh |07:53 |07:54 |- |19:20 |19:22 |{{stnlnk|Durgapur}} |07:39 |07:41 |- |19:30 |19:31 |Waria |07:29 |07:30 |- |19:37 |19:39 |{{stnlnk|Andal Junction}} |07:18 |07:20 |- |19:47 |19:49 |{{stnlnk|Raniganj}} |07:09 |07:10 |- |20:04 |20:07 |{{stnlnk|Asansol Junction}} |06:50 |06:53 |- |20:18 |20:19 |{{stnlnk|Sitarampur Junction}} |06:39 |06:40 |- |20:25 |20:26 |Kulti |06:33 |06:34 |- |20:31 |20:32 |Barakar |06:28 |06:29 |- |20:36 |20:37 |Kumardubi |06:23 |06:24 |- |21:55 | — |'''{{stnlnk|Dhanbad Junction}}''' | — |05:50 |}
==Coach composition and rake sharing== thumb|A Second Class Sitting coach (2S) of Coalfield Express The train consists of modern LHB coaches: two AC Chair Car coaches (C1 and C2), five Non-AC Chair Car coaches (D1 to D5), eight 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.<ref>{{Cite web |last=Thakur |first=Jishnu |title=12339/Coalfield Express - Howrah to Dhanbad ER/Eastern Zone - Railway Enquiry |url=https://indiarailinfo.com/train/-train-coalfield-express-12339/331/1/378 |access-date=2024-04-21 |website=indiarailinfo.com}}</ref>
The train shares its rake with Shantiniketan Express and Agnibina Express.
==Traction==
It is regularly hauled by a Howrah Loco Shed-based WAP-5 / WAP-7 electric locomotive on its entire journey.
==References== {{reflist}}
{{Indian Railways}} {{Railways in Eastern India}}
{{DEFAULTSORT:Coalfield Express}} Category:Express trains in India Category:Rail transport in Jharkhand Category:Mining in West Bengal Category:Rail transport in Howrah Category:Rail transport in West Bengal Category:Transport in Dhanbad Category:Named passenger trains of India Category:Railway services introduced in 1955