Need Help ID Military Tire

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signsup
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Need Help ID Military Tire

Post by signsup » Wed Jul 05, 2017 7:01 am

Don't know where else to turn on this site, so I'm here. Restored 42 GPW, so a lot of posts up there. Got a Ford Model T that has an unusual set of front tires on it and know one on the Model T site knows anything about them and feels that maybe were used on some sort of military equiptment during WWII. I just need some direction to research these to solve the mystery. Here's what I got:
30 x 3.00 clincher tires with tubes
no tread, slick surface
U.S. Rubber
4 ply
stamped "military" on the backside of the tire as it is mounted

Can't fin any reference to any civilian tires made during WWII in this size. Some suggestions were early bi plane like Jenny tires, but only 4 ply. Or, some sort of trailer or dolly or cart that still used this size tire that the military would authorize new tires for.

Any help greatly appreciated.
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military tire.JPG
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Robert Brough
Atlanta, GA
1942 Ford Script GPW 14280
DOD 04/09/42 Chester, PA
1943 Bantam T3 Trailer
1952 M100 Trailer
1943 .50 Cal. M2 Heavy Machine Gun Carriage
Why do we drive on parkways, and park on driveways?
I never saw a profit and loss statement on a tombstone.

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Joe Friday
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Re: Need Help ID Military Tire

Post by Joe Friday » Wed Jul 05, 2017 7:50 pm

Is that all it says on the tire size? Normally I thought it was overall diameter, followed by width, followed by wheel diameter.
As an example, the 1928 Model A was a 30x4.50-21.

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Re: Need Help ID Military Tire

Post by signsup » Thu Jul 06, 2017 5:50 am

Don't believe that's the case. The 30 number is the size of the wheel, so all clincher tires were 20 x something, either 3.00 or 3.40. In the later years of the T, you could get 21 inch tires. My 1915 War Wagon has 4.50x21 tires on it. I have purchased both Model T and Model A tires and they are either 30's or 21's, but not both.

I think if you own a Model A and go out and look at the tires, you will not see a 30 on them.

So, in my research so far, unless a military piece of equiptment specificaly was designed to take a 30" tire, this tire was used on Model T's up to 1928 and it seems odd that the military in WWII would authorize the manufacture of ties for any old equiptment to use these tires. It would make more snese to change the tires and wheels on the equiptment to take a more "modern" size.

It's a queer duck, for sure.

Here's my 1915 Ford Model T War Wagon.
Attachments
bryant 1.JPG
bryant 1.JPG (46.27 KiB) Viewed 215 times
Robert Brough
Atlanta, GA
1942 Ford Script GPW 14280
DOD 04/09/42 Chester, PA
1943 Bantam T3 Trailer
1952 M100 Trailer
1943 .50 Cal. M2 Heavy Machine Gun Carriage
Why do we drive on parkways, and park on driveways?
I never saw a profit and loss statement on a tombstone.

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Joe Friday
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Posts: 1050
Joined: Tue Dec 14, 2010 12:28 pm

Re: Need Help ID Military Tire

Post by Joe Friday » Sat Jul 08, 2017 2:45 pm

I neglected to consider the clincher aspect.

I didn't find any 30x3

Image

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