Chassis Plate

Since I am missing the brass chassis plate for my car I have have tried to locate a source for reproductions but have not ben able to find one. Then I decided to try fabricating the plate myself. I do have one original plate from my spares car (which obviously has incorrect chassis number to the restored car) that I can use as a dimensional reference. Unfortunately that plate is very worn and faded and it is impossible to see all the information and geometry correctly from that. I have then sourced several chassis plate pictures that I can use as a reference for the text and geometry. During this activity I have found out that there is many different configurations (how typical for Singer!) for the chassis plate and this article tries to shed some light on that.

Any additions and/or corrections to the information on this page is more than welcome to my This e-mail address is being protected from spambots. You need JavaScript enabled to view it


 

4A5827T

Chassis Plate 1, 4A 5827 T

This is only a partial picture but it is possible to see some information from it. The stamping area seems to be rather centrally located and by comparing this to the chassis plate 2 below it is possible to determine that the lubricant manufacturers are in the following order (the center column of the five is close to the space in phrase Recommended Lubricants):

???? | WAKEFIELD | ESSO | VACUUM | ???? 


 

4AB7393U

Chassis Plate 2, 4AB 7393 U, 1951

The plate has text "CAR NUMBER" and the stamping area is rather centrally located. The plate does not have patent number information in it. Lubricant manufacturers are in the following order:

WAKEFIELD | ESSO | VACUUM | PRICES | SHELL

No patent number plate under the chassis plate.


L4AD497V

Chassis Plate 3, L4AD 497 V, 1952

The plate has text "CAR NUMBER" and the stamping area is rather centrally located. The plate does not have patent number information in it. Lubricant manufacturers are in the following order (Cannot distinguish the last one from the picture:

SHELL | WAKEFIELD | ESSO | VACUUM | ????

Separate small plate containing patent number information under the chassis plate.


4AD703V

Chassis Plate 4, 4AD 703 V, 1952

The area under the BIRMINGHAM WORKS text is divided in half. The right side has text "CAR No" and the stamping area is offset to the right. The left side contains patent number information. Lubricant manufacturers are in the following order:

WAKEFIELD | ESSO | VACUUM | PRICES | SHELL

"FOR OVERSEAS RECOMMENDATIONS REFER TO CAR-OWNER'S HANDBOOK" at the bottom of the plate.

4AD1479V

Chassis Plate 5, 4AD 1479 V, 1952 (Reproduction?)

This plate loks like it is restamped on a reproduction blank so the chassis number and plate geometry cannot probably be used as a reference point but undoubtedly the geometry and texts has been copied from an original plate as close as possible (at least letter G in the Singer Motors text looks different than on any other plate so the makes has probably used some font that was available and close enough)
The area under the BIRMINGHAM WORKS text is divided in half. The right side has text "CAR No" and the stamping area is offset to the right. The left side contains patent number information. Lubricant manufacturers are in the following order:

SHELL | WAKEFIELD | ESSO | VACUUM | PRICES

"FOR OVERSEAS RECOMMENDATIONS REFER TO CAR-OWNER'S HANDBOOK" at the bottom of the plate.

Chassis Plate 6, L4AD 1638 V, 1952

This is the chassis plate from my spare parts car. It is in such a faded original condition that it is not possible to take a readable picture from it. However looking it closely in different directionsand lighting conditions it is possible to see the following information.
The area under the BIRMINGHAM WORKS text is divided in half. The right side has text "CAR No" and the stamping area is offset to the right. The left side contains patent number information. Lubricant manufacturers are in the following order:

PRICES | SHELL | WAKEFIELD | ESSO | VACUUM

"FOR OVERSEAS RECOMMENDATIONS REFER TO CAR-OWNER'S HANDBOOK" at the bottom of the plate.

L4AD1787V

Chassis Plate 7, L4AD 1787 V, 1952

The area under the BIRMINGHAM WORKS text is divided in half. The right side has text "CAR No" and the stamping area is offset to the right. The left side contains patent number information. Lubricant manufacturers are in the following order:

SHELL | WAKEFIELD | ESSO | VACUUM | PRICES

"FOR OVERSEAS RECOMMENDATIONS REFER TO CAR-OWNER'S HANDBOOK" at the bottom of the plate.

No separate patent number plate below the chassis plate.

L4AD3068X

Chassis Plate 8, L4AD 3068 X, 1954

The area under the BIRMINGHAM WORKS text is divided in half. The right side has text "CAR No" and the stamping area is offset to the right. The left side contains patent number information. Lubricant manufacturers are in the following order:

ESSO | VACUUM | PRICES | SHELL | WAKEFIELD

"FOR OVERSEAS RECOMMENDATIONS REFER TO CAR-OWNER'S HANDBOOK" at the bottom of the plate.

It makes sense that there has been evolution on the chassis plate information and ths the change from the first to second major type is logical. Looks like the factory wanted to include information on some patent number(s) to the car and have first added a separate small plate for that in early 1952 and then a bit later in the same year have introduced a new chassis plate design that has the patent number information included.


But I do not understand why there is some many diffrent variations on the lubricant manufacturer information. MOstly they seem to list the same lubricants types but the manufacturer columns are on different order. Why is that? Why have they created many different etching films that all contain the same information but in different order? Was it so that one film does not last very long and they needed to renew the etching films? But in that case also, why shuffle the columns. Or did they produce different chassis plates for different market areas?


As a conclusion from all of this; My car number is L4AD 3160 X so my assumption is that the configuration on the chassis number 8 on this page should be the correct configuration. Of course you can never be for sure with Singers, since they seemd to change configuration on different parts quite frequently like this small investigation also shows.

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