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Rail Data > Data > Codes > TOPS List > 20/0
Main Details
TOPS Code/Class: 20/0
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TOPS Category: ?This is my own (unofficial) means to categorise TOPS codes based on what they relate to and whether they are long (4 characters, i.e. including sub-codes) or short (3 characters) LL - Long Code, Locomotives
TOPS GENKOC: ?The first character of a TOPS code is known as the GENKOC and indicates the general type of rolling stock (e.g. 1xx are DMUs). 0 - Locos
TOPS BRAKTY: ?The third character of many TOPS codes is the BRAKTY, indicating the type of braking equipment fitted (e.g. A indicates air brakes). * - Not defined by code
Parent:20
Description: Bo-Bo Diesel Electric Loco
Numbers: ?Numbers are only shown where the ranges were limited. Otherwise, refer to the listings section below. The letter r after the numbers indicates this is a range, with not all numbers in the sequence used. 20001-20228
Status: Current
Date On:
Origins:
Date Off:
Destiny:
Sub-codes ?If this code had any sub-codes, they will be listed here.
None found
Designs/Diagrams ?Design codes and diagrams related to this code (and any sub-codes where relevant) are listed here.
6 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).
DesignClassSeriesDescriptionStatus
20-0AV 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
20-0BX 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
20-0CV 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
20-0DX 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
20-0EV 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
20-0FX 20/0 BR TOPS Loco Design Code Class 20 Bo-Bo Diesel Loco TBC
Batches ?Batches of numbers built or converted to this TOPS code are listed below. Note that only codes that were wholly to this code will appear, otherwise refer to the listings section for other numbers.
There is one batch recorded as being wholly to this TOPS code.
Numbers Class Origin Qty Type Built/Converted Date/s Lot
20001-20228 20/0 Renumbered 228 Class 20 Bo-Bo Diesel Loco 1974
Listings
There are 424 listings (with 218 distinct numbers) for this TOPS code/class (not including any sub-codes). The most recent 50 are shown below.


Date ?The date of the listing. Newest listings are shown first. Type ?Listings are either plain listings (reported details at a given date) or changes (changes of details on a given date). Hover over a code for the explanation. Status ?The status of this number at (or after) the given date. Hover over a code for the explanation. Prefix ?The prefix carried at the given date. Hover over a prefix for an explanation. Number TOPS Design Pool Livery Allocation Location Notes ?Shows the approval status of each listing. Hover over an icon for an explanation.
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20007 20/0 MOLO green Swanwick Junction (MRC) Swanwick West Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20016 20/0 HNRS BR blue Long Marston Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20056 20/0 HNRL yellow Scunthorpe Steelworks Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20066 20/0 HNRL dark blue Hope Cement Works Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20081 20/0 HNRS BR blue Long Marston Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20088 20/0 HNRS RFS grey Long Marston Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20096 20/0 GBEE BR blue Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20107 20/0 GBEE BR blue Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20110 20/0 HNRS green Bury Depot (Manchester) Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20118 20/0 GBEE BR Railfreight grey Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20121 20/0 HNRL Harry Needle orange Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20132 20/0 GBEE BR Railfreight grey Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20142 20/0 MOLO LUL maroon Swanwick Junction (MRC) Swanwick West Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20168 20/0 HNRL white/green Hope Cement Works Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20189 20/0 MOLO BR blue Swanwick Junction (MRC) Swanwick West Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20205 20/0 MOLO BR blue Swanwick Junction (MRC) Swanwick West Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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20227 20/0 MOLO LUL maroon Swanwick Junction (MRC) Swanwick West Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20007 20/0 20-0BX XHSS BR blue Carlisle Kingmoor Depot Doncaster Works, Wabtec Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20016 20/0 20-0BX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20032 20/0 20-0BX XHSS BR blue Carlisle Kingmoor Depot Doncaster Works, Wabtec Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20057 20/0 20-0DX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20059 (R) 20/0 20-0DX WNXX Railfreight grey with red stripe Unallocated (EWS) Margam Yard Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20066 20/0 20-0DX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20072 20/0 20-0DX XHSS BR blue Carlisle Kingmoor Depot Doncaster Works, Wabtec Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20073 20/0 20-0DX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20081 20/0 20-0DX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20092 20/0 20-0DX WNZX Central Services grey/red Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20119 20/0 20-0DX WNZX BR blue Unallocated (EWS) Toton Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20121 20/0 20-0DX XHSS BR blue Carlisle Kingmoor Depot Doncaster Works, Wabtec Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20132 20/0 20-0FX WNZX Railfreight grey with red stripe Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20138 20/0 20-0FX WNZX Railfreight grey with red stripe Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20165 20/0 20-0FX WNZX Railfreight grey with red stripe Unallocated (EWS) Carlisle Kingmoor Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20168 (R) 20/0 20-0FX WNXX BR blue Unallocated (EWS) Margam Yard Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Registered, Withdrawn
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20177 20/0 20-0FX WNZX BR blue Unallocated (EWS) Toton Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20188 20/0 20-0FX MBDL BR black Unallocated Ropley (MHR) Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
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20189 20/0 20-0FX MBDL green Unallocated Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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20215 20/0 20-0FX XHSS Railfreight grey with red stripe Carlisle Kingmoor Depot Doncaster Works, Wabtec Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20004 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20005 20/0 20-0BX DCMA Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20006 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20007 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20008 20/0 20-0BX FTYT Blue Thornaby Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20009 20/0 20-0BX FPLI Blue Immingham Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20010 20/0 20-0BX FENW F Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20013 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20016 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20019 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20020 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20021 20/0 20-0BX FENW Blue Toton Depot Approved, auto/admin
01/01/1989 LListing (e.g. in an ABC) AExtant, Registered, Active
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20023 20/0 20-0BX FENW F Toton Depot Approved, auto/admin
Photos - Internal
There are 3 photos of this type (including any sub-codes).
Photos - External
To be added
Notes
Note added Mon 02/11/2020 by Thomas Young
Category: Modifications/Conversions
Official London Midland region lists in late 1985 showed that 15 pairs of class 20s were permanently coupled by joining their main reservoirs. It was noted that the pairings included several from different depots.
Source: Rail Enthusiast magazine, January 1986 issue, p44
Note added Mon 02/11/2020 by Thomas Young
Category: Modifications/Conversions
Last loco for conversions from vacuum to dual-brakes was (by mid-November 1985) 20170.
Source: Rail Enthusiast magazine, January 1986 issue, p44

Related Information
To be added
Dimensions ?Dimensions are normally recorded against design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available.
There are no dimensions recorded for this TOPS code.
Drawings
To be added
Data History
Record added 01/01/2020 by Thomas Young
This item has not been edited.