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Rail Data > Data > Codes > TOPS List > JJA (2)
Main Details
TOPS Code/Class: JJA (2)
Key Photo:
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) SW - Short Code, Wagons
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). J2 - Bogie Private-Owner Wagons (from 1990)
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). A - Air brakes
Description:
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:
Origins:
Date Off:
Destiny:
Similar/re-used codes ?TOPS codes have often been re-used. If there are any other known uses, they will be listed here.
JJA (1) (-)
Sub-codes ?If this code had any sub-codes, they will be listed here.
JJA-B
Designs/Diagrams ?Design codes and diagrams related to this code (and any sub-codes where relevant) are listed here.
2 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).
DesignClassSeriesDescriptionStatus
JJ001A JJA-B BR TOPS Wagon Design Code Current
JJ001B JJA-B BR TOPS Wagon Design Code Current
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 no batches recorded as being wholly to this TOPS code (including any sub-codes).
Listings
There are no listings of this type.
Photos - Internal
There are 36 photos of this type (including any sub-codes). The 10 most recently added are shown below.

Photos - External
To be added
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
This item has not been edited.