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TOPS Code/Class:	304		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).	3 - Electric Multiple Units (originally AC only)	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:	4-car Electric Multiple Unit (previously AM4) (later 3-car)
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.	001-045, later 304001-304045
Status:	Defunct
Date On:	1972
Origins:	TOPS classification
Date Off:
Destiny:	Withdrawn
Key Photo:
Icon:

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

304/1	3-car Electric Multiple Unit
304/2	3-car Electric Multiple Unit

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
61045-61059	304	408	Class 304 Motor Brake Second (MBS)	15	New	BR, Wolverton	1960	30428
61628-61647	304	409	Class 304 Motor Brake Second Open (MBSO)	20	New	BR, Wolverton	1961	30607
61873-61882	304	409	Class 304 Motor Brake Second Open (MBSO)	10	New	BR, Wolverton	1961	30642
70045-70059	304	456	Class 304 TCsoL	15	New	BR, Wolverton	1960	30431
70243-70252	304	457	Class 304 TCsoL	10	New	BR, Wolverton	1961	30644
70483-70502	304	457	Class 304 TCsoL	20	New	BR, Wolverton	1961	30609
75045-75059	304	434	Class 304 DTSOL	15	New	BR, Wolverton	1960	30429
75645-75659	304	411	Class 304 DTBSO	15	New	BR, Wolverton	1960	30430
75660-75679	304	412	Class 304 DTBSO	20	New	BR, Wolverton	1961	30608
75680-75699	304	435	Class 304 DTSOL	20	New	BR, Wolverton	1961	30610
75858-75867	304	412	Class 304 DTBSO	10	New	BR, Wolverton	1961	30643
75868-75877	304	435	Class 304 DTSOL	10	New	BR, Wolverton	1961	30645
304001-304045	304		Class 304 4-car EMU	45	New	BR, Wolverton	1960-1961

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 82 listings (with 44 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

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Record edited 1 time.

Time / Date	Edited by	Change
20:05 on Sun 13/06/2021	Thomas Young	Key photo added