1952 Farmall M Gas Tank Stud

AES · Jul 5, 2011

I sent my gas tank to the radiator shop to be lined and asked them to remove the studs. In attempt a stud was stripped off (even after heating it cherry red) so need to find a "new" stud for the shop to use. They can tap the hole and weld in a new stud if needed.

Does anyone know what size those studs are? The shop person said they must be metric as they are not 7/16 and not 1/2". Did IH use metric in the 50s?

DeltaRed · Jul 5, 2011

No!IH did NOT use "metric" in the 50s!Your "service guy" is an idiot.they are 7/16 fine thread

AES · Jul 5, 2011

Thanks for the quick reply. I thought he was off his rocker as well.

Is this a stud that can be found at a typical machine shop? If not do you know of a supplier for NOS studs like these?

Thanks again.

Allen

farmallboy15 · Jul 6, 2011

i believe i have a couple siting in the shop that i bought extra. email is open

Anonymous-0 · Jul 6, 2011

Hi Delta Red, IH also used UNC and UNF threads on the tractors built in the UK France and Germany also. MJ

gene bender · Jul 6, 2011

Sounds like the shop person need to learn how to determine thread size.

AES · Jul 6, 2011

I'd like to buy them both from you. I sent you an email. Let me know if you got it.

farmallboy15 · Jul 10, 2011

didnt get the email. what all do you need? i have two studs and nuts and i think two spring for the gas tank. 740- 407- 1430

AES · Jul 11, 2011

My '52 does not use the springs (it uses the pads).

If your studs are about 1-3/4" long x 7/16" fine thread I'd like to buy both of them.

sflem849 · Jul 11, 2011

AES · Jul 12, 2011

I think I know what the "huh" from sflem849 was for: I had stated that I didn't use the springs but now realize (after reading other parts of this forum) that I should use the springs. It has been sometime since I removed the tank for internal-coating and had forgotten that there were springs under the mounting brackets.

Maybe the tank had been re-installed without the original springs.

I've learned a lot from this forum!

Allen

AES · Jul 12, 2011

My '52 M had a long, unusually shaped pad under the two fuel tank front mounting studs (not separate, round pads, but a long continuous strip). It's still usable but a bit deteriorated. Are these still available?

Would it be a problem to simply use the round pads for each or should I cut another long one-piece out of scrap rubber? I can't see that it would be a problem to use two of the individual round pads but don't want to cause undue stress on the tank.

Allen

sflem849 · Jul 12, 2011

That did clear up my huh. :lol: I thought they all used the springs AND the rubbers.
You can make the rubbers with a hole saw and a tire sidewall. You can also purchase them from the dealer. If you go and ask for the radiator support rubbers from an older N series Ford tractor they are cheaper than the IH ones and the same part. At least that is how it is at my local dealer.
On my tractors I have replaced the long pad with the singles and haven't seen a problem yet. It has been four years on the SMTA and no problems. You could probably try and cut that big oval out from the tire sidewall with a Sawsall or Skil saw???

kevinj54 · Jul 12, 2011

(quoted from post at 17:21:19 07/12/11) That did clear up my huh. :lol: I thought they all used the springs AND the rubbers.
You can make the rubbers with a hole saw and a tire sidewall. You can also purchase them from the dealer. If you go and ask for the radiator support rubbers from an older N series Ford tractor they are cheaper than the IH ones and the same part. At least that is how it is at my local dealer.
On my tractors I have replaced the long pad with the singles and haven't seen a problem yet. It has been four years on the SMTA and no problems. You could probably try and cut that big oval out from the tire sidewall with a Sawsall or Skil saw???

Mine does not use springs either, just pads and the nuts are castle style to be locked with a cotter.

They are to short for springs and my parts book does not show springs for the later models.

AES · Jul 12, 2011

(quoted from post at 19:36:23 07/12/11)

(quoted from post at 17:21:19 07/12/11) That did clear up my huh. :lol: I thought they all used the springs AND the rubbers.
You can make the rubbers with a hole saw and a tire sidewall. You can also purchase them from the dealer. If you go and ask for the radiator support rubbers from an older N series Ford tractor they are cheaper than the IH ones and the same part. At least that is how it is at my local dealer.
On my tractors I have replaced the long pad with the singles and haven't seen a problem yet. It has been four years on the SMTA and no problems. You could probably try and cut that big oval out from the tire sidewall with a Sawsall or Skil saw???

Click to expand...

Mine does not use springs either, just pads and the nuts are castle style to be locked with a cotter.

They are to short for springs and my parts book does not show springs for the later models.

Thanks for the feedback. So the "huh" that was uttered previously was unnecessary - I feel vindicated.

I ordered the stud, nut, spring kit from OEM Tractor so we'll see if it works with my late model (latest as it is a '52) M. The reason for the purchase is that in the process of lining the tank one of the studs was stripped off (after heating with a torch). They were in bad shape so wanted them replaced.

Allen

sflem849 · Jul 12, 2011

I thought it was using the pads as a lock device/tensioner like the springs. It makes sense...the normal rubber things, in the normal place.

1952 Farmall M Gas Tank Stud

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gene bender

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