76 4x4 Dodge? Info?

In the photo, it appears to have the later "more crappy" front hub setup. These use an expensive double--Timken tapered bearing which must be bought and used as a set. I know of no way to change the front seals without burning a set of those bearings. This is because the force necessary to remove the bearings will damage the rollers and races. I believe it's called binelling