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Below is a picture of my '67 M105A2. You can see the brake line running to the second wheel cylinder at the bottom of the backing plate. I was under the impression that all A2 models had dual wheel cylinders. I could be completely wrong and I don't have access to my notes right now. I wish that...

That's what was throwing me off. Not the first incorrect/odd description that I've found.

Update. I looked at the M105 parts book again. The SA20160 part number is what's shown for the Useable on Code for the M105A2. So, the axle I have pictured in post #1 is in fact an M105 axle. I have no idea why it is listed as 3/4 ton on multiple sites. Very odd...

I spent the weekend poking at this as I had time. Even though the axle part number is listed as 3/4 ton (all I can find on it) I can't find a single application of 6 lug 20" wheels on a 3/4 ton trailer. This one has me stumped. I think that it could work to narrow for my dual tired M105...

Thanks Guy. It seems odd that it's listed as a 3/4 ton axle but it has 6 lug 20" wheels.

Ran across an axle while I was picking up some more tires. I found a P/N stamped in it but I can't seem to get anywhere with the number. The P/N is 8723953 which shows as NSN 2530-00-323-8538. Dual wheel cylinders per side, 6 lug, 20" lock ring wheels, and 3 screw bearing covers has me leaning...

Do you have to call them or do they have an online store? Not really finding anything on them but simple holding pages.

Got the support bracket shortened so that the intake pipe and the exhaust pipe are parallel so I went ahead and installed the Donaldson Air Ram. Had to lower the bracket some to allow the snorkel to sit down on the pipe correctly for drainage. Still need a couple of shots of high temp black to...

That's entirely possible. I'm not convinced that these are correct for the application.

I will but it may be a while with all of the other items that I'm working on. It will really just involve cutting off the bent tab, shortening the overall length, correcting the angle at the fender, and welding the tab back on. Might even be easier to just make a whole new bracket that fits...

I saw an older post of your regarding the linings but I can't find it now. Are you having yours relined with the original "G" grade or the next step down to preserve drum life? I may just start collecting dead shoes to have relined and keep on the shelf.

That's an interesting comparison. The second photo sits just like mine. My OCD will never stand for that. Looks like cutting and welding will be required for a level installation.

Ran into something odd. I ordered the side marker light brackets for the front of my '87 AF M35A2C. I wanted to compare them to the lollipop light kit and see what I would prefer on my particular truck (or possibly even run both). Upon arrival I immediately ran into a fitment issue...

Man, I sure love saving old tools. They just feel better in general. =)

Update. I ran across and old Roper Whitney clincher and took a gamble on it. The unit showed up with a broken retaining collar. Due to the weight the seller didn't want it back so they refunded the purchase price less the shipping cost. A few minutes on the lathe at a friends house and I had a...

I don't know. I just started digging into the numbers this morning.

While we're on the subject of collecting spare brake parts, what is everyone doing for brake shoes now days? Surplus, import, or relined?

I was going to type all of this out but a chart is quicker. AN sizes for future reference.

With the "good" springs the ends are formed to match the taper of the cups and act as a built in spreader so no separate metal spreader is required. As far as availability of the metal cup spreaders as a stand alone item, I don't know. Hopefully one of the experts on these will chime in with...

I received the Napa UP 4419 wheel cylinders today and immediately tore one down. Happy to report that they still have the good springs.