Tubeless?

[flusher]

Last month I bought a 1966 MF-135 diesel that came with B.F. Goodrich Silvertown 18.4-16A Power Grip tires on 16" rims. The number on the tire is 06502X303.

Anyone know if these tires are tubeless or tubed?

 

[Birdman253]

No way to tell from your picture, might be possible if we had a close-up of the valve stem, but even then would be iffy.

If these are original equipment tires then is just about 100% that they have tubes. Tubeless for rear tractor tires didn't really become popular until the mid to late 80's, when the radial tires began to appear on the scene. Even then, the bias tires were tube mount until really after 1990, when the final switch took place.

My guess on a mid-60's tractor would be that they are tube type, but to be sure will require more information.

 

[flusher]

No way to tell from your picture, might be possible if we had a close-up of the valve stem, but even then would be iffy.

If these are original equipment tires then is just about 100% that they have tubes. Tubeless for rear tractor tires didn't really become popular until the mid to late 80's, when the radial tires began to appear on the scene. Even then, the bias tires were tube mount until really after 1990, when the final switch took place.

My guess on a mid-60's tractor would be that they are tube type, but to be sure will require more information.

Oops. Forgot a shot of the valve stem. Here it is.

The previous owner said the rear tires are filled, but with what I don't know.

 

[mlauk]

I have the same type valve on my tires which have tubes.

 

[Birdman253]

Still can't tell for sure, but my guess is that it is a tube. Usually tubeless mount will have a sealing ring between the nut on the valve stem, and the rim. Looks like you just have a nut to keep the stem from sliding back through the hole.

If you have access to compressed air, you can just loosen that jam nut, and then you should be able to tell if it is a tube or not. If it is a tube type, when the jam nut is loosened, you will be able to "slide" the valve stem in and out, without loosing air. If tubeless, when you slide the stem in, air will rush out.

My money still says tube type.

 

[flusher]

Still can't tell for sure, but my guess is that it is a tube. Usually tubeless mount will have a sealing ring between the nut on the valve stem, and the rim. Looks like you just have a nut to keep the stem from sliding back through the hole.

If you have access to compressed air, you can just loosen that jam nut, and then you should be able to tell if it is a tube or not. If it is a tube type, when the jam nut is loosened, you will be able to "slide" the valve stem in and out, without loosing air. If tubeless, when you slide the stem in, air will rush out.

My money still says tube type.

Thanks for the advice. I'll do this check tomorrow.
Looks like the jury says "tube".
Which is fine with me. My concern is potential rim rust if these filled tires are tubeless.