Main Details PDF

TOPS Code/Class:	172 (2)		Previous	Next
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)	SM - Short Code, Multiple Units	In selection ?This works on your last-used TOPS selection, including any filters and sort orders. Buttons will not show if the current TOPS code was not in your last selection, or if you are at the beginning or end of the data set.
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).	1 - Diesel-Mechanical Multiple Units	Overall ?This works on the overall TOPS code list without any filtering or sorting applied.
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
Description:	DMU
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:
Date On:	?/?/2009
Origins:	New build
Date Off:
Destiny:
Key Photo:
Icon:

Similar/re-used codes ?TOPS codes have often been re-used. If there are any other known uses, they will be listed here.
172 (1) Derby Suburban DMU Trailer Composite (c1974-?/?/1979)

Sub-codes ?If this code had any sub-codes, they will be listed here.

172/0
172/1
172/2
172/3

Designs/Diagrams ?Design codes and diagrams related to this code (and any sub-codes where relevant) are listed here.
0 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).

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 are 13 batches recorded as being wholly to this TOPS code (including any sub-codes).

Numbers	Class	Design	Type	Qty	Origin	Built/Converted	Date/s	Lot
50211-50222	172/2		Class 172/2 DMSL	12	New	Bombardier, Derby	2009-2010
50331-50345	172/3		Class 172/3 DMSL	15	New	Bombardier, Derby	2009-2010
56331-56345	172/3		Class 172/3 MS	15	New	Bombardier, Derby	2009-2010
59111-59114	172/1		Class 172/1 DMSL	4	New	Bombardier, Derby	2009-2010
59211-59214	172/1		Class 172/1 DMS	4	New	Bombardier, Derby	2009-2010
59311-59318	172/0		Class 172/0 DMS	8	New	Bombardier, Derby	2009-2010
59411-59418	172/0		Class 172/0 DMS	8	New	Bombardier, Derby	2009-2010
79211-79222	172/2		Class 172/2 DMS	12	New	Bombardier, Derby	2009-2010
79331-79345	172/3		Class 172/3 DMS	15	New	Bombardier, Derby	2009-2010
172001-172008	172/0		Class 172/0 2-car DMU	8	New	Bombardier, Derby	2009-2010
172101-172104	172/1		Class 172/1 2-car DMU	4	New	Bombardier, Derby	2009-2010
172211-172222	172/2		Class 172/2 2-car DMU	12	New	Bombardier, Derby	2010-2011
172331-172345	172/3		Class 172/3 3-car DMU	15	New	Bombardier, Derby	2010-2011

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)

Photos - Internal
There is 1 photo of this type (including any sub-codes).

Photos - External
No external photos of this item yet.

Listings
There are 399 listings (with 132 distinct numbers) for this TOPS code/class (including any sub-codes).

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

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 / Date	Edited by	Change
20:03 on Sun 13/06/2021	Thomas Young	Key photo added