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Departmental DMUs

Over the years many vehicles saw departmental use in a wide range of duties: research, route learning, sandite, even mess coaches. More details can be found on the individual class pages.

The table below is sorted by original number, you can also view it sorted by departmental number

Original Number   New Number  Set No. Class Vehicle Type Details
50015TDB 977775   114 DMBS Automatic Train Protection Test Unit development and training vehicle, then circa 1996 became a route learning and inspection saloon at Bescot.
50036ADB 977769   114 DMBS Test Unit
50063RDB 977637   116 DMBS Claimed by Derby RTC for possible Civil Engineering use. Numbers never carried.
50093TDB 977829   T004 116 DMS Sandite
50119RDB 977636   116 DMS Claimed by Derby RTC for possible Civil Engineering use. Numbers never carried.
50134TDB 977538   111 DMBS Sandite / Route Learner
50135TDB 977539   111 DMBS Sandite / Route Learner
50137TDB 977540   111 DMBS Sandite / Route Learner
50167DB 977392   101 DMBS Ultrasonic Test Train
50193DB 977898   992 / 960992 101 DMC Sandite / Route Learner
50197ADB 977652   101 DMC Sandite / Route Learner
50200DB 977901   994 / 960994 101 DMBS Sandite / Route Learner
50203DB 977897   992 / 960992 101 DMBS Sandite / Route Learner
50208DB 977903   995 / 960995 101 DMBS Sandite / Route Learner
50222RDB 977693   901002 101 DMBS Lab Coach 19 - "Iris 2"
50231DB 977902   994 / 960994 101 DMBS Sandite / Route Learner
50246DB 977393   101 DMBS Ultrasonic Test Train (not used)
50259TDB 977535   101 DMBS Sandite / Route Learner
50290ADB 977651   101 DMBS Sandite / Route Learner
50291DB 977904   995 / 960995 101 DMBS Sandite / Route Learner
50295TDB 977536   101 DMBS Sandite / Route Learner
50308DB 977895   991 / 960991 101 DMBS Sandite / Route Learner
50320TDB 977537   101 DMBS Sandite / Route Learner
50321DB 977900   993 / 960993 101 DMC Sandite / Route Learner
50331DB 977896   991 / 960991 101 DMC Sandite / Route Learner
50338RDB 977694   901002 101 DMC Lab Coach 19 -
50396RDB 975089   103 DMBS Rail Top 'Trim' Lab Coach 5 - Track recording Car with 975090
50397DB 975137   103 DMBS CCE Viaduct Inspection Unit No.1. The departmental number was never carried by the vehicle.
50416TDB 975005   109 DMBS ER General Manager's Saloon
50422ADB 977344   104 DMBS RTC use - M&EE Test Unit
50475ADB 977342   104 DMBS Carriage Washing Test Coach
50506ADB 977343   104 DMC M&EE Test Unit
50626ADB 977745   108 DMBS Sandite / Route Learner
50627ADB 977853   LO911 108 DMBS Route Learner
50629TDB 977820   A / 923 108 DMBS Sandite / Route Learner
50642ADB 977839   LO901 108 DMC Sandite / Route Learner
50881TDB 977825   T005 116 DMS Sandite
50886TDB 977827   T003 116 DMS Sandite
50924ADB 977747   108 DMBS Sandite / Route Learner
50926ADB 977814   LO909 108 DMBS Sandite / Route Learner
50929ADB 977746   LO902 108 DMBS Sandite / Route Learner
50939ADB 977818   B / 922 108 DMBS Sandite / Route Learner
50941ADB 977836   LO910 108 DMBS Sandite / Route Learner
50944ADB 977766   LO904 108 DMBS Sandite / Route Learner
50950ADB 977748   LO902 108 DMBS Sandite / Route Learner
50956ADB 977811   LO907 108 DMBS Sandite / Route Learner
50957ADB 977751   108 DMBS Sandite / Route Learner
50958ADB 977809   LO906 108 DMBS Sandite / Route Learner
50959ADB 977749   108 DMBS Sandite / Route Learner
50963ADB 977750   LO903 108 DMBS Sandite / Route Learner
50981ADB 977838   LO910 108 DMBS Sandite / Route Learner
50982ADB 977816   C / 921 108 DMBS Sandite / Route Learner
51115TDB 975348   100 DMBS Inspection Saloon. Returned to passenger use in March 1976
51116DB 975349   100 DMBS ER RCE Inspection Saloon paired with 975539 (ex-56101)
51122DB 975664   100 DMBS RCE Inspection saloon, ER General Managers Saloon paired with 975637 (ex-56300)
51138 977921   116 DMBS Number allocated but conversion never happened
51153ADB 977843   T009 116 DMS Sandite
51260TDB 977453   105 DMBS Driver Training / Route Learner
51286TDB 977123   105 DMBS Driver Training / Route Learner
51296TDB 977124   105 DMBS Driver Training / Route Learner
51306ADB 977752   T007 118 DMBS Sandite / Route Learner
51321ADB 977753   T007 118 DMS Sandite / Route Learner
51371 977987   960301 117 DMBS Water Jetting Train
51375 977992   960301 117 DMBS Water Jetting Train
51413 977988   960301 117 DMS Water Jetting Train
51427DB 977899   993 / 960993 101 DMBS Sandite / Route Learner
51433DB 977391   101 DMBS Ultrasonic Test Train
51464TDB 977607   101 DMBS Route Learner
51525TDB 977608   101 DMC Route Learner
51561TDB 977823   D / 924 108 DMC Sandite / Route Learner
51563TDB 977822   D / 924 108 DMC Sandite / Route Learner
51567ADB 977854   LO911 108 DMC Route Learner
51824ADB 977611   110 DMBC Sandite
51826ADB 977613   110 DMBC Sandite
51838ADB 977612   110 DMC Sandite
51901ADB 977810   LO907 108 DMBS Sandite / Route Learner
51903ADB 977808   LO906 108 DMBS Sandite / Route Learner
51906ADB 977744   LO901 108 DMBS Sandite / Route Learner
51911ADB 977768   LO903 108 DMBS Sandite / Route Learner
51932ADB 977840   925 108 DMBS Sandite
51937ADB 977806   LO905 108 DMBS Sandite / Route Learner
51938ADB 977765   LO904 108 DMBS Sandite / Route Learner
51945ADB 977812   LO908 108 DMBS Sandite / Route Learner
51985ADB 977756   107 DMBS Sandite
51990ADB 977830   S002 107 DMBS Sandite
51992ADB 977758   107 DMBS Sandite
51993ADB 977834   S003 107 DMBS Sandite
52005ADB 977832   S001 107 DMBS Sandite
52012ADB 977835   S003 107 DMC Sandite
52014RDB 977225   107 DMC Laboratory coach - conversion abandoned
52023ADB 977762   107 DMC Sandite
52025ADB 977833   S001 107 DMC Sandite
52028ADB 977757   107 DMC Sandite
52030ADB 977831   S002 107 DMC Sandite
52032RDB 977227   107 DMC Laboratory coach - conversion abandoned
52046TDB 977819   B / 922 108 DMC Sandite / Route Learner
52047ADB 977841   925 108 DMC Sandite
52053ADB 977807   LO905 108 DMC Sandite / Route Learner
52058TDB 977821   A / 923 108 DMC Sandite / Route Learner
52059ADB 977815   LO909 108 DMC Sandite / Route Learner
52060ADB 977813   LO908 108 DMC Sandite / Route Learner
52061ADB 977817   C / 921 108 DMC Sandite / Route Learner
52076ADB 977614   110 DMC Sandite
55001TDB 975023   01 122 DMBS Route Learner. Erroneously carried number DB975073 until April 1971.
55001TDB 975073   122 DMBS This number was not allocated to this vehicle, but carried on 975023 by mistake.
55007TDB 977223   122 DMBS Driver Training / Route Learner / Sandite
55008TDB 975309   122 DMBS Route Learner
55010TDB 975310   122 DMBS Route Learner
55012 977941   122 DMBS Route Learner for Loadhaul. Allocated 977941 in April 2004 but number never carried.
55013TDB 975998   122 DMBS Route Learner
55014TDB 975994   122 DMBS Route Learner, Test & Stores car for Class 150 units
55015TDB 977177   122 DMBS Driver Training / Route Learner. Carried the name "Sandra"
55016TDB 975540   122 DMBS Route Learner
55017TDB 975227   122 DMBS Route Learner
55019TDB / ADB 975042   960015 122 DMBS Route Learner (TDB) then Sandite (ADB) from 8/93
55020ADB 977722   960002 121 DMBS Sandite / Route Learner. Returned to passenger use.
55021ADB 977723   960021 121 DMBS Sandite / Route Learner
55022DB 977873   960014 121 DMBS Sandite / Route Learner
55024ADB 977858   960010 121 DMBS Sandite / Route Learner
55025ADB 977859   960011 121 DMBS Sandite / Route Learner till 2000. Video Survey Unit for Balfour Beatty till 2004, then Route Learner again. Nicknamed 'Pandora'
55026TDB 977824   T005 121 DMBS Sandite
55027 977975   960302 121 DMBS Severn Tunnel Emergency Unit
55028ADB 977860   960012 121 DMBS Sandite / Route Learner
55029 977968   121 DMBS Camera Unit (Eurailscout GB)
55030ADB 977866   960013 121 DMBS Sandite / Route Learner
55031 977976   960303 121 DMBS Severn Tunnel Emergency Unit
55032ADB 977842   T007 121 DMBS Sandite, later preserved then returned to passenger use
55033TDB 977826   T003 121 DMBS Sandite
55034DB 977828   T004 121 DMBS Sandite
55035ADB 975659   L103 / L135 121 DMBS Route Learner
55997RDB 975385   129 DPU Laboratory Coach 9, name Hydra from 1980.
56015TDB 977776   114 DTC Automatic Train Protection Test Unit development and training vehicle, then circa 1996 became a route learning and inspection saloon at Bescot.
56027ADB 977770   114 DTC Test Unit
56101DB 975539   100 DTC ER RCE Inspection Saloon paired with 975349 (ex-51116)
56106ADB 977191   100 DTC Crewe Works Test Train Coach
56111TDB 977196   100 DTC Special Instruction coach MOD Moreton-on-Lugg
56129ADB 977114   105 DTC Sandite
56142ADB 977048   105 DTC Sandite
56145ADB 977052   105 DTC Sandite
56156ADB 977047   103 DTC Sandite
56160DB 975228   103 DTC CCE Viaduct Inspection Unit
56162RDB 975090   103 DTC Rail Top 'Trim' Lab Coach 5 - Track recording Car with 975089
56171TDB 975006   109 DTC ER General Manager's Saloon
56182ADB 977554   104 DTC Sandite
56183ADB 977555   104 DTC Sandite
56281ADB 977615   121 DTS Sandite - vehicle renumbered but conversion cancelled
56285TDB 977486   960006 121 DTS Sandite
56286TDB 977466   121 DTS Sandite
56300DB 975637   100 DTC RCE Inspection saloon, ER General Managers Saloon paired with 975664 (ex-51122)
56315FA 99900   100 DTC Private Owner - Fisons Weedkiller train
56342 042222   101 DTC Internal User
56427ADB 977051   105 DTC Sandite
56440TDB 977454   105 DTC Driver Training / Route Learner
56444TDB 977125   105 DTC Driver Training / Route Learner
56445TDB 977126   105 DTC Driver Training / Route Learner
56448ADB 977050   105 DTC Sandite
56474ADB 977049   105 DTC Sandite
59389 024949   108 TS Internal user vehicle - grounded at Tyseley
59458RDB 975993   125 TS Battery storage coach at RTC then fire tests coach
59466RDB 975964   125 TS Storage coach at ZD, fire tests coach
59787RDB 977226   107 TS Laboratory coach - conversion abandoned
59828ADB / DB 975327   123 TSRB Staff & dormitory coach first for OC breakdown train (ADB prefix), then for rail profiler DX79105 (DB prefix)
79018DB 975007   Derby Lightweight DMBS Ultrasonic Test Train
79047RDB 975018   Met-Camm Lightweight DMBS Lab 21 Plasma Torch Research
79053RDB 975019   Met-Camm Lightweight DMBS Lab 21 Plasma Torch Research
79098ADB 975426   126 DMBS Mess coach
79185DB 975012   Derby Lightweight DMBS Brake trials test coach
79250TDB 975013   Derby Lightweight DTS Staff messroom, Craigentinny
79252TDB 975014   Derby Lightweight DTS Staff messroom
79612DB 975008   Derby Lightweight DTC Ultrasonic Test Train
79649DB 999510   Derby Lightweight DTC Special Saloon
79900RDB 975010   Derby Lightweight DMBS Route Learner / Railway Technical Centre
79998RDB 975003   BMU DMBS Laboratory 16 "Gemini"
79999RDB 975004   BMU DTC Laboratory 16 "Gemini"
999507DB / RDV 999507   Wickham Railbus "Elliot" Track recording car

The number prefixes indicated the owning department, although these were not necessarily carried. The meaning of these are:

ADB Regional Mechanical and Electrical Engineer;
DB Regional Civil Engineer;
RDB Research Department;
TDB Traffic Department.

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