independent

Well I am looking to find out who made the TRI ROD when they put the independent rear suspension? It has 4 shocks 2 on each side and a big rubber flex for each axle. And it has band brakes on each axle too. I am going to change it to disc brakes and universal joints on the axles. And maybe put a...

what are the components to somthing like this? i am having trouble finding the component that switches from chain to the u joints? any ideas?