here is a utube video where u can freeze it at 22 seconds and count the lug nuts there are 10, the book is incorect, not uncommon, could you post a link to where u found the wheel has 12 lug nuts, thanks you never know on these deals
Discuss this in the forum topic Replacement Tire options for a old 1970 Cat 16 with 18x20's rock lug 40 plys??.