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The History of First Generation DMUs


The Railcar website provides information on the British Railways first generation DMUs (a.k.a. diesel multiple units / railcars) introduced in the 1950s.

The content of this website

The six key sections of the website are:

  • Types - looks at each type of DMU in detail
  • Topics - features articles on different aspects of the vehicles and personal recollections
  • Technology - describes the technical details of how they work
  • Data - various lists of numerical details
  • Images - galleries featuring DMUs
  • In Print - details the books and other printed materials made available over the years that have relevance

Details of railcars in preservation can be found on The Railcar Association website.


Date on DMUs

Vehicle / Set Data

To view details of a particular vehicle or set enter the number below:

       

DMU Images Wanted!

Do you have photos of First Generation DMUs? The more images we have the better we can tell the DMU story and make it more useful to visitors. Images can be loaded directly onto the site - just register as a user and upload! Alternatively if you have images on flickr or another website I can do the uploads for you - just let me know.


Scope

This website contains details about the First Generation DMUs. This includes the 4-wheel diesel railbuses, ACV / BUT railcars, the Battery Multiple Unit (BMU) and Blue Pullmans. It covers the period from their introduction to British Railways in the 1950s till their withdrawal and disposal from main-line use, but NOT preservation.

Because of the vast amount of data that this covers and the amount of information I have still to process I cannot include the DEMUs introduced on the Southern Region in the same era, nor Second Generation or later types.


Updates

May 2nd

Four Class 101 General Arrangement drawings have been added.

April 25th

Added to the headcode pages are five more summaries of those used on the North Eastern Region (Sections G - L) in 1961.

April 18th

Some new operation/timetable pages have been started: Upminster-Tilbury; Buxton - Millers Dale; Leeds - Doncaster; Rutherglen - Possil / Dalmuir; and Cardiff Queen Street - Cardiff Bay.

April 11th

New in the document archive are the Job Descriptions from Issue 2 of Standard Examination, the 1970s version of maintenance instructions.

April 4th

Added to the headcode pages are some summaries of those used on the North Eastern Region. Also a destination blind, this one thought to be from Accrington.

March 28th

Some new operation/timetable pages have been started: Hatfield - Dunstable; Preston - Ormskirk; Leeds - Scarborough; Dundee - Leuchars Jct - St Andrews; and Paddington - Ealing Broadway - Greenford.

March 21st

New in the document archive are the Standard Examination Schedules from Issue 2 of Standard Examination, the 1970s version of maintenance instructions.

March 14th

A new section has been started on headcodes, with some summaries of those used on the Scottish Region.

March 7th

Some new operation/timetable pages have been started: London - Hertford North; Bedford - Hitchin; Huddersfield - Wakefield; Glasgow - Cathcart Circle; and Cardiff - Bristol.

Latest Images:

101 DMU at Dundee

Class 101 DMU 51224 arrives at Dundee with the 09:25 Edinburgh to Dundee service on 25 October 1980. Derek Hoskins.

111 DMU at Ilkley

A Class 111 DMU formed of 51548 + 59533 + 51556 waits its next turn of duty at Ilkley on 18 April 1981. Derek Hoskins.

101 DMU at Dundee

Met-Camm sets in the bay platforms at Dundee on 14 March 1981. On the left is 101314, 50138 + 59067 + 51240, alongside set 224 led by 50147. Derek Hoskins.

101 DMU at Brechin

50245 + 59053 + 50239 / 55000 arrive at Brechin from Kinnaber Junction with the Brechin Farewell railtour on 2/5/1981. Derek Hoskins.

101 DMU at Dundee

The headboard fitted to 50245 whilst working the 1510 Brechin to Edinburgh "Brechin Farewell" railtour at Dundee on 2 May 1981. Derek Hoskins.

View More Recent Images...

On This Day:

115 DMU at Aylesbury

51857 - 59763 - 59734 - 51866 at Aylsebury working The Quaintonian shuttle to Quainton Road on 7/5/79. Robert Frise.

120 DMU at Peterborough

The gradual decline in status of the venerable Swindon built Class 120 cross-country dmus was a sad spectacle to witness. Quite probably the most comfortable classic dmus still in service in the 1980s, it was still a pleasure to travel in them. How sad that they should all perish in the scrapyard without a complete set being preserved. Originally a... Gerard Fletcher.

108 DMU at York

Class 108 pairing of DMC M54258 and DMBS M53975 head away from York with the 1634 service to Manchester Victoria on 7th May 1985. Bruce Galloway.

116 DMU at Shenstone

Two Class 116 DMUs are seen at Shenstone with a Birmingham New Street bound service on 7 May 1974. Closest is set TY509, DMBS M50072 leading, presumably with M59009 + M50105. Michael Mensing.

101 DMU at Ffestiniog Tunnel

Forming a late-afternoon service from Blaenau Ffestiniog to Llandudno Junction on 7th May 2001, Metro-Cammell class 101 'Heritage Green' DMU 53164-53160 approaches the southern portal of the 2.5 mile-long (4 kilometres) Ffestiniog tunnel, constructed by the L&NWR between 1873 and 1879. Gordon Edgar.