B axle A axle shafts

[Donut]

Hi

Wondering if someone can confirm that a B axle shaft will not fit a A axle and vice versa? Am I correct that the B axle is thicker/stronger?

Thanks

[trikerpete]

hi donut
   yes, b axle has thicker halfshafts.
 i think the bearings/seals are different sizes on each of the axles.