I forgot what size for sure but I think 1⅛ or 1 1/16. You'll have to put the nuts back on the inners. I've hauled 'em that way myself.

Tip: If it has no engine and a heavy steel bed consider putting it on the trailer rear first. Puts more weight on the tongue or gooseneck.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.