AA truck axel?

[fourtydlx]

Are the model aatruck axel the same as 32 BB axel?

 

[1932BB]

I believe the rear axles were the same for 1930 AA to 1933 BB. In 1934 the floating axle was installed.

 

[Tom H.]

The rear axle housing from a 32 BB is wider than one from an AA. I think the internals are the same.

 

[Kurt in NJ]

AA axle--34-9/16 long 30-31
BB axle --36-9/16 long 32-34
gears fit 30-34

 

[1932BB]

Thanks for the info Kurt in NJ. I'm getting smarter every day!