Question for the gurus ... On the pre-Huck brake AD 1-ton single-real wheel axles (3804 truck), I went to the NAPA web site and for the original '49 3800 axle, SKF (seal manufacturer) lists kits for the HO52 and HO72 axles. I'm guessing the HO52 axle is the single rear wheel and HO72 is the dual rear wheel axle. Is that true? What I'm really asking -- which seal kit should I order for the a '49 3804?
Grigg -- If you read this, I can't remember which axle is which of the two I have on the shelf here ...

One of them is Handsome's original and the other is a '54, ja?