Most yards in Ogden that I went to while looking for a D60 had HP 44's and Waggy 44's for about $2-300. Nobody had a 60. I was able to finally find a Chev 60 for about $800 though.
Ogden is covered in them. All of the Yards on 17th west of wall have them.
Make sure you wear your confederate flag T-shirt, them some Good 'ol boys down there.
kurts pic a part in lehi has tons of waggys and hp44's no 60's but there axles are125 no matter what it is.