I have a 1969 trying to find what axel tran. I have.
AXIL
12845 67890
000 .10
f28
3959038nf
gm 58


TRAN.

271 74-c-r-8937

thanks Kentf9

Axle code is on the front side of pass. tube..it is a stamping in the metal..use some course sandpaper to find it. Those numbers you gave are casting numbers.

ALbert