Main data

Number:	66850	Series:	Locos - BR TOPS		Previous	Next
Date on:	09/06/2011	Date off:		In selection ?This works on your last-used numbers selection, including any filters and sort orders. Buttons will not show if the current number was not in your last selection, or if you are at the beginning or end of the data set.
Status:	A (Extant, Registered, Active)			Overall ?This works on the overall numbers list without any filtering or sorting applied.

Batch details: 66846-66850 - Class 66 Co-Co Diesel-Electric, renumbered

Renumbering details
66577 > 09/06/2011 >

Similar numbers: ?Other items of rolling stock with the same number will be listed here. Please note that there may be further items (for example pre-Nationalisation coaches and wagons) which are not (yet) in the database. No similar numbers found.

Photos (internal): There are 2 photos of this item (including photos of the item with an earlier or later number).

Photos (external):

ID	Number	TOPS	Design	Livery	Photo location	Photo date	Comment	Source	?Shows the approval status of each photolink. Hover over an icon for an explanation.
739	66850	66/8	Unknown	Colas Yellow Black Orange	Eastleigh Station	02/06/2025		https: / /flic.kr /p /2rt5K3s	Approved, semi/self Click the ball icon to view the details of the approval status of this note.

Sightings: There are 123 sightings for this number. ?Sightings include those under earlier or later numbers carried. There may be further sightings which have not yet been approved.

Number	Date	Location	Working	Notes	Reporter	?Shows the approval status of each sighting. Hover over an icon for an explanation.
66850	02/10/2025	Milford Haven	3S62 01:04 Stormy to Port Talbot Up Sdgs.		Nat37670	Approved, semi/self
66850	12/09/2025	Basingstoke	0Y48 Eastleigh East Yard - Hoo Junction Yard		rogue246	Approved, semi/self
66850	10/09/2025	Aynho Jn	6M28 18:10 Hinksey Sdgs to Bescot Up E.S.		Nat37670	Approved, semi/self
66850	10/09/2025	Cholsey	6V27 13:49 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	01/09/2025	Dorridge	6M28 18:10 Hinksey Sdgs to Bescot Up E.S.		Nat37670	Approved, semi/self
66850	01/09/2025	Basingstoke	6V27 13:49 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	29/08/2025	Basingstoke	6Y48 Eastleigh East Yard - Hoo Junction Yard		rogue246	Approved, semi/self
66850	28/08/2025	Basingstoke	6Y42 Hoo Junction Yard - Eastleigh East Yard		rogue246	Approved, semi/self
66850	09/08/2025	Stoke-on-Trent	6C30 20:36 Toton North Yard to Congleton		RhysG0011	Approved, semi/self
66850	26/07/2025	Edleston Bridge, Nantwich			RhysG0011	Approved, semi/self
66850	18/07/2025	Crewe Basford Hall Junction	0Z20 20:53 Crewe Basford Hall to Bescot Up Engineers Sdgs		RhysG0011	Approved, semi/self
66850	21/06/2025	Melksham	6C20 21:43 Westbury Down T.C. to Goring & Streatley.		Nat37670	Approved, semi/self
66850	20/06/2025	Crewe Basford Hall Junction	6G06 19:37 Crewe Basford Hall to Bescot Up Engineers Sdgs		RhysG0011	Approved, semi/self
66850	23/05/2025	Basingstoke	6Y48 Eastleigh Yard - Hoo Junction Yard		rogue246	Approved, semi/self
66850	07/05/2025	Basingstoke	6Y42 Hoo Junction Yard - Eastleigh Yard		rogue246	Approved, semi/self
66850	30/04/2025	Bath Spa	0Z66 Westbury Down Yard - St Phillips Marsh Depot		rogue246	Approved, semi/self
66850	22/04/2025	Basingstoke	6Y48 Eastleigh Yard - Hoo Junction Yard		rogue246	Approved, semi/self
66850	17/03/2025	Basingstoke	6Y44 Hoo Junction Yard - Eastleigh Yard		rogue246	Approved, semi/self
66850	04/03/2025	Bescot Yard			rogue246	Approved, semi/self
66850	03/03/2025	Basingstoke	0V27 Eastleigh East Yard - Hinksey Yard Oxford		rogue246	Approved, semi/self
66850	01/03/2025	Banbury	6V25 04:33 Bescot Up E.S. to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	28/02/2025	Crewe Basford Hall Junction	6G06 19:37 Crewe Basford Hall to Bescot Up Engineers Sdgs		RhysG0011	Approved, semi/self
66850	07/02/2025	Abington	6S50 12:19 Carlisle N.Y. to Millerhill S.S.		Nat37670	Approved, semi/self
66850	27/01/2025	Banbury	6E15 21:17 Eastleigh East Yard to Scunthorpe Trent T.C.		Nat37670	Approved, semi/self
66850	20/01/2025	Radley	6V27 13:49 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	18/01/2025	Tilehurst	6O24 08:19 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	28/09/2024	Westbury	6C20 01:25 Westbury Down T.C. to Gloucester Yard Jn.		Nat37670	Approved, semi/self
66850	26/09/2024	Gloucester	6Z31 19:41 Swindon Transfer to Swindon Transfer.		Nat37670	Approved, semi/self
66850	22/09/2024	Chippenham	6C01 20:47 Hinksey Sdgs to Yeovil Pen Mill.		Nat37670	Approved, semi/self
66850	15/09/2024	Patchway	6C23 08:59 Little Mill Jcn to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	14/09/2024	Cwmbran	6C24 17:25 Westbury Down T.C. to Little Mill Jcn.		Nat37670	Approved, semi/self
66850	08/09/2024	Patchway	6Y44 09:08 Little Mill Jcn to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	06/09/2024	Basingstoke	7Y44 Hoo Junction Yard - Eastleigh Yard		rogue246	Approved, semi/self
66850	04/09/2024	Solihull	6V25 04:33 Bescot Up E.S. to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	01/09/2024	Theale	6C22 17:32 Tilehurst to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	27/08/2024	Newport	6C41 19:00 Westbury Down T.C. to Morlais Jcn.		Nat37670	Approved, semi/self
66850	20/08/2024	Challow	6C26 08:04 Hinksey Sdgs to Filton Abbey Wood.		Nat37670	Approved, semi/self
66850	03/08/2024	Trowbridge	6C20 19:33 Westbury Down T.C. to Morlais Jcn.		Nat37670	Approved, semi/self
66850	01/08/2024	Basingstoke	6Y42 Hoo Junction Yard - Eastleigh East Yard		rogue246	Approved, semi/self
66850	29/07/2024	Milton Jcn	6M28 13:49 Eastleigh East Yard to Bescot Up E.S.		Nat37670	Approved, semi/self
66850	26/07/2024	Banbury	6V25 04:33 Bescot Up E.S. to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	18/07/2024	Radley	6O24 09:39 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	07/06/2024	Basingstoke	6O24 09:39 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	07/06/2024	Solihull	6V25 04:33 Bescot Up E.S. to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	06/06/2024	Cholsey	6O24 09:39 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	04/06/2024	Radley	6V27 13:49 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	30/05/2024	Solihull	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	30/05/2024	Dorridge	6V25 04:33 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	28/05/2024	Oxford	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	28/05/2024	Winchester	6X24 09:39 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	10/05/2024	Oxford	7M28 17:50 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	10/05/2024	Radley	7V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	09/05/2024	Banbury	6V25 04:33 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	07/05/2024	Warwick	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	27/04/2024	Tilehurst	6C21 20:53 Hinksey Sdgs to Slough.		Nat37670	Approved, semi/self
66850	24/04/2024	Radley	6V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	23/04/2024	Basingstoke	0O24 Oxford Hinksey Yard - Eastleigh East Yard		rogue246	Approved, semi/self
66850	17/04/2024	Basingstoke	6Y44 Hoo Junction Yard - Eastleigh Yard		rogue246	Approved, semi/self
66850	06/02/2024	Stoke On Trent	0Z39 Westbury Yard - Longport EMD		rogue246	Approved, semi/self
66850	29/12/2023	Walsall	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	27/12/2023	Oxford	6X28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	27/12/2023	Reading West	6V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	13/12/2023	Lavington	6X42 20:27 Westbury Down T.C. to Ruscombe.		Nat37670	Approved, semi/self
66850	18/11/2023	Bristol Parkway	6C19 16:29 Swindon Transfer to St Philips Marsh HST.		Nat37670	Approved, semi/self
66850	30/10/2023	Warminster	6V41 14:50 Eastleigh East Yard to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	25/10/2023	Warminster	6C15 04:20 Yeovil Junction to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	23/09/2023	Oxford	6C24 15:00 Craven Arms to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	28/08/2023	Southall	6Y42 16:41 Hoo Junction Up Yard to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	18/08/2023	Appleford	7V27 13:40 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	17/08/2023	Tyseley	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	17/08/2023	Reading West	6V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	17/08/2023	Walsall	6V25 04:33 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	16/08/2023	Heyford	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	16/08/2023	Banbury	6X25 04:45 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	15/08/2023	Appleford	6V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	15/08/2023	Appleford	7O26 09:26 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	15/08/2023	Oxford	7V25 04:29 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	14/08/2023	Oxford	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	14/08/2023	Appleford	4V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	10/08/2023	Oxford	6V25 04:33 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	09/08/2023	Heyford	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	09/08/2023	Reading West	6O26 09:53 Hinksey Sdgs to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	08/08/2023	Hatton	6M28 17:54 Hinksey Sdgs to Bescot Up Engineers Sdgs.		Nat37670	Approved, semi/self
66850	07/08/2023	Tilehurst	6V27 13:43 Eastleigh East Yard to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	02/08/2023	Yate	6V46 19:02 Bescot Up Engineers Sdgs to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	30/07/2023	Knottingley	7C50 Hensall - Doncaster Up Decoy		rogue246	Approved, semi/self
66850	16/07/2023	Dr Days Jn	6C25 12:58 Yate to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	15/07/2023	Hawkeridge Jn	6C25 20:15 Westbury Down T.C. to Westerleigh Jn.		Nat37670	Approved, semi/self
66850	28/06/2023	Solihull	6V25 04:33 Bescot Up Engineers Sdgs to Hinksey Sdgs.		Nat37670	Approved, semi/self
66850	13/04/2023	Westbury	6C47 21:20 Westbury Down T.C. to Crosskeys.		Nat37670	Approved, semi/self
66850	11/04/2023	Westbury	6C45 21:20 Westbury Down T.C. to Crosskeys.		Nat37670	Approved, semi/self
66850	10/04/2023	Swindon	6X20 10:15 Reading West Jn to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	28/01/2023	Oxford	0Z20 Westbury Yard - Bescot Engineer Sidings		rogue246	Approved, semi/self
66850	09/12/2022	Winchester	6O26 10:48 Hinksey Sidings to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	20/11/2022	Bristol Parkway	6Z19 18:00 St.Philips Marsh H.S.T.D. to Swindon Transfer.		Nat37670	Approved, semi/self
66850	24/10/2022	Yatton	3S59 05:57 Moreton-on-Lugg to Swindon Transfer.		Nat37670	Approved, semi/self
66850	12/03/2022		6O26 10:50 Hinksey Yard to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	23/02/2022		6Y42 14:14 Hoo Jn Yard to Eastleigh East Yard.		Nat37670	Approved, semi/self
66850	10/11/2021	Dean station (Wilts)	616H 13:40 Eastleigh East Yard to Dean - on on into Salisbury possession.	Very grubby Colas colours	Dave M	Approved, semi/self
66850	02/06/2020	Walsall	6X50 Westbury Yard - Bescot Engineer Sidings		rogue246	Approved, semi/self
66850	05/04/2020	Totton	6Z32 MOD Marchwood - Eastleigh East Yard		rogue246	Approved, semi/self
66850	14/02/2020	Severn Tunnel Junction	6C43 Abercynon Station - Westbury Yard		rogue246	Approved, semi/self
66850	28/12/2019	Eastleigh East Yard			rogue246	Approved, semi/self
66850	22/12/2018	Eastleigh	0O70 Westbury Yard - Eastleigh Yard		rogue246	Approved, semi/self
66850	11/08/2016	Severn Tunnel Junction	4Z58 Wimbledon EMUD - Barry Island Railway		rogue246	Approved, semi/self
66850	25/01/2016	Toton TMD	0D66 Bescot Engineers Yard - Toton TMD		rogue246	Approved, semi/self
66850	12/06/2015	Cardiff Canton Sidings			rogue246	Approved, semi/self
66850	17/05/2015		7C20 02:30 Truro to Westbury Down T.C.		Nat37670	Approved, semi/self
66850	16/05/2015	Westbury Yard			rogue246	Approved, semi/self
66850	24/07/2013	MOD Long Marston		Named David Maidment OBE	rogue246	Approved, semi/self
66850	16/10/2012	Eastleigh Arlington Yard			rogue246	Approved, semi/self
66850	28/07/2012	Bo'ness & Kinneil Railway Diesel Gala			rogue246	Approved, semi/self
66850	16/06/2011	Eastleigh Arlington Works	Old Colas Colours By 1711 in Revised Colas Colours Without Leaving Works	Colas Rail Orange & Black	rogue246	Approved, semi/self
66577	16/06/2011	Eastleigh Arlington Works	Was 66577 Now 66850	Colas Rail Orange & Black	rogue246	Approved, semi/self
66577	15/03/2011	Basingstoke	4M61 Southampton Maritime - Manchester Trafford Park Terminal		rogue246	Approved, semi/self
66577	12/11/2010	Stafford	4L96 Manchester Trafford Park Terminal - Felixstowe Freightliner		rogue246	Approved, semi/self
66577	25/10/2010	Willesden	4O24 Bristol Freightliner Terminal to London Thamesport Isle Of Grain		rogue246	Approved, semi/self
66577	23/10/2010	Swindon	4V32 Felixstowe Freightliner - Bristol Freightliner Terminal		rogue246	Approved, semi/self
66577	11/10/2010	Stafford	4M99 Southampton Maritime - Manchester Trafford Park Terminal		rogue246	Approved, semi/self
66577	29/09/2010	Eastleigh	4O51 Wentloog Freight Terminal Cardiff - Southampton Maritime		rogue246	Approved, semi/self
66577	04/07/2004	Ipswich Station Yard Sidings			rogue246	Approved, semi/self
66577	23/04/2004	Shrewsbury DFGM Pool	0Z66 Newport Docks - Crewe DMD		rogue246	Approved, semi/self
66577	19/04/2004	Newport Docks On Delivery			rogue246	Approved, semi/self

Formations: No formation data.

Listings: There are 3 listings for this number. ?Listings include those under earlier or later numbers carried. There may be further listings which have not yet been approved.

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.

09/11/2020

LListing (e.g. in an ABC)

AExtant, Registered, Active

Click here for more details of this prefix

66850

66/8

COLO

Colas orange/yellow/black

Rugby Depot

Approved, auto/admin

01/01/2019

LListing (e.g. in an ABC)

AExtant, Registered, Active

Click here for more details of this prefix

66850

66/8

COLO

Colas Rail orange/yellow/black

Hoo Junction

Approved, auto/admin

01/01/2010

LListing (e.g. in an ABC)

AExtant, Registered, Active

Click here for more details of this prefix

66577

66/5

DFIM

Freightliner green/yellow

Freightliner Diesel Locos

Approved, auto/admin

Notes: No notes have been left yet. ?There may be some notes posted but which have not yet been approved.

Data History

Item added:

12:00 on 01/01/2020 by Thomas Young

Record edited 1 time.

Time / Date	Edited by	Change
22:18 on Wed 25/06/2025	Thomas Young	Date on added