Originally Posted by PavementPounder
I swapped solid D60 dually hubs with Crassel for SRW F-350 hubs from one of those D50 things and my shit fit right on. Don't know about the D44 stuff, but it sounds like they are the same.
D50 & D60 used the same size hubs at least up into the Super Dutys. Started with the TTB 50's.