VIN on 1973 13' Caveman M1300 Aug 11, 2017 8:12:01 GMT -8 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by aimeeoflinn on Aug 11, 2017 8:12:01 GMT -8 Does anybody know where to locate the VIN on an M1300 13' 1973 Caveman? No title. We bought it from a friend. Help?! We've looked on the tongue. We're not seeing anything.