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MG TD TF 1500 - Rear axle marking

There is a marking on the rear axle of my TD. 8 41 is the ratio but what is the meaning of 2 56 48 ? The car is a 53 TD.


LC Laurent31

Hmmm. I have no idea. Iíve never seen R&P #s stamped on housings either. Maybe a rebuilders/ dismantlers inventory number from long ago?

Bill Chasser
TD-4834
W A Chasser

Maybe a serial number? TD23004 built in December 1952 has number 24491 on it.
Joe


Joe Olson

Now you got me curious. Guess Iíll go look at my housings a little closer when Iím able. Never noticed any numbers before Always learning something new.

Bill Chasser
TD-4834
W A Chasser

Interesting. Both cars are 53's. I crawled under my late 52 and cannot see any numbers from the back. Where exactly are these stamped?
Christopher Couper

On the rear side of the left axle tube.

LC Laurent31

It doesn't show in this picture, but on my car it's where the red box is on the front side of the left axle tube.
Joe


Joe Olson

Joe, I think Your axle is from a Y type. It has the brakets for the rear shocks.
Regards
Klaus
Klaus Harthof

Later cars had those brackets on the housings. As mentioned they were for a different application

Bill. Chasser
TD-4834
W A Chasser

Correct. Front side of the left axle tube. Mistake.

Mine also has the unused brackets.
Laurent.
LC Laurent31

OK. I can't believe you guys made me go out and unzip my car, crawl underneath it with a phone to see what my car had inscribed on it. :-)

My numbers are stamped on the left hand front but more to the top. Plus since it's on the car the check strap blocks a lot of it but with multiple pictures I was able to discern this:

8 41 20654

My car is TD19629 and was built in Sept 1952. So the numbers are similar (mine is off by 1025) probably owing the the number of other cars that had the same rear end (Y's and ???) made during the same period.

Nice tidbit of knowledge.
Christopher Couper

My 1954 TF has 39 3568 on it. TF 4887. It has the same brackets as Joe's.

Regards, Don
Donald J Walker

OK, it is clear now that it's a sorta serial number.
Mine was so akin to a date code but it would have meant a replacement part. Now I can be pretty sure it's original.

Thanks a lot.

Laurent.

LC Laurent31

The numbers 8 and 41 are the teeth of pinion and crown wheel. That is 1:5,125.
Regards
Klaus
Klaus Harthof

I think you've nailed it Klaus, on my number, 39 3568, just above the 39 is stamped 8. Hence 39 divided by 8 is 4.875, the standard TF diff ratio,

Regards, Don
Donald J Walker

By the way,
I took the additional brakets to install a Panhard rod to the rear axel. Makes good driving in curves.If someone wants pics, I will send them.
Regards
Klaus
Klaus Harthof

This thread was discussed between 07/01/2018 and 11/01/2018

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