front axle spindles brakes ID

[jason_is_here]

So this is my first a so no expert at all.
The drums look 42 and up ish
But it has mechanical cup king pins I know they're same aize.


Please help

 

[Bob C]

That's all stock Model A. The adjuster is missing from the backing plate.

 

[jason_is_here]

So 28 to 31. .



Not the 35 to 50 he's advertising

 

[rotorwrench]

The model A axle is different from the later axles so it's the key identifier. Drums and axle changed in 1932. Mechanical brakes were used through 1938. Drums changed several times from open spoked drums to wide five.