what are these ?

[simplejim]

while hauling in lots of stuff from an old simplicity/AC dealer i hauled these in and one i think is a mule drive but for what i dont know,the other i just dont know what it is.

[simplejim]

[KenK]

Looks like the mule drive for a 400 series tractor.

[wilm169]

That is it, a mule drive for the 400 tractors.