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Old 12-09-2011
Harrison Harrison is offline
Senior Member
Join Date: Oct 2011
Location: Harrison
Posts: 191

They are both Budd(stud type), The drag axle does not have an inner spool since it has a single wheel mounted on it just like your steer axle. Hub piloted did not come on the market until the late 80's early 90's. Hub piloted will take a 33mm socket. Stud type will normally be 1 1/2" with a 13/16" inner square.
Brent King
Harrison, AR.
No Bus Now previously owned 1989 PT40WB
"Short Bus"