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Rail Data > Data > Codes > TOPS List > 37/4
Main Details PDF
TOPS Code/Class: 37/4
Key Photo:
Icon: icon
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:37
Description: Co-Co Diesel Locomotive
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.
Status: Current
Date On:
Origins: Converted from 37/0
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.
1 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).
DesignClassSeriesDescriptionStatus
37-4AX 37/4 BR TOPS Loco Design Code Class 37/4 Co-Co 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
37401-37431 37/4 Conversion 31 Class 37/4 Co-Co Diesel Loco 1985-1986
Notes
No notes have been left yet. ?There may be some notes posted but which have not yet been approved.
Profiles ?Profiles provide an overview of the histories of various types of train. Profiles that are relevant to this TOPS class/code are listed below. If no profiles are shown, try looking under the parent code (in main details section above)
Listings
There are 92 listings (with 31 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
Click here for more details of this prefix		 37401 37/4 XHAC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37402 37/4 XHNC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37403 37/4 XHCC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37405 37/4 XHAC DRS Compass blue Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37407 37/4 XHAC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37409 37/4 XHAC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37418 37/4 COTS BR blue large logo Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37419 37/4 XHSS DRS Compass blue Derby Railway Technical Centre Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37421 37/4 COTS Colas Rail orange/yellow/black Barrow Hill Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37422 37/4 XHAC DRS blue Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37423 37/4 XHAC DRS blue Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37424 37/4 XHAC BR blue large logo Carlisle Kingmoor Depot Approved, auto/admin
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37425 37/4 XHAC DRS Compass blue Carlisle Kingmoor Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37401 37/4 Crewe Electric Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37402 37/4 Toton Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37405 37/4 Toton Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37406 37/4 Crewe Diesel Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37410 37/4 Axiom Rail, Stoke Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37411 37/4 Eastleigh Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37412 37/4 Carnforth Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37415 37/4 Long Marston Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37416 37/4 Eastleigh Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37417 37/4 Eastleigh Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37419 37/4 Toton Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37422 37/4 Toton Depot Stored in Training Compound Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37425 37/4 Toton Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37426 37/4 Crewe Diesel Depot Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37427 37/4 Tyne Yard Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37428 37/4 Long Marston Approved, auto/admin
20/10/2010 CChange (e.g. a transfer or recoding) AExtant, Registered, Active
Click here for more details of this prefix		 37412 37/4 XHHP Headquarters ex BH/HNRS Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37401 37/4 37-4AX WKCD EWS red/yellow Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37402 37/4 37-4AX WNXX Trainload Freight (no logos) Unallocated (EWS) Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37403 37/4 37-4AX WNXX green Unallocated (EWS) Cardiff Canton Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37404 37/4 37-4AX WNYX Transrail grey Unallocated (EWS) Springs Branch Depot (Wigan) Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37405 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37406 37/4 37-4AX WKCD Transrail grey Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37407 37/4 37-4AX WNXX Transrail grey Unallocated (EWS) Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37408 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37409 37/4 37-4AX WNXX Transrail grey Unallocated (EWS) Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37410 37/4 37-4AX WNXX Transrail grey Unallocated (EWS) Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37411 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37412 37/4 37-4AX WKCD Transrail grey Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37413 37/4 37-4AX WNXX EWS red/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37414 37/4 37-4AX WNXX Regional Railways Unallocated (EWS) Cardiff Canton Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37415 37/4 37-4AX WKCD EWS red/yellow Crewe Diesel Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37416 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
Click here for more details of this prefix		 37417 37/4 37-4AX WNXX EWS red/yellow Unallocated (EWS) Barry Wagon Repair Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37418 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37419 37/4 37-4AX WKMB EWS red/yellow Motherwell Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
Click here for more details of this prefix		 37420 37/4 37-4AX WKCN Regional Railways Toton Depot Approved, auto/admin
Photos - Internal
There are 4 photos of this type (including any sub-codes).
Photos - External
To be added
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 ?Drawings are normally referenced to specific design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available. If no drawings are listed here, try looking at related designs/diagrams (above).
There are no drawings referenced for this TOPS code.
Data History
Record added 01/01/2020 by Thomas Young
Record edited 1 time.
Time / DateEdited byChange
09:03 on Thu 29/04/2021Thomas YoungKey photo added

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