u/DEVOURfoods ·promoted 90% sure this is not a travel trailer. In that time frame there was a thing called a "park model", which looked like a TT but was heavy, made for full-time residence, and didn’t have any self-containment (no holding tanks, no battery). They were meant to be hauled into place and left there semi-permanently, perhaps relocated a handful of times in their lives. In more recent times that role is filled by manufactured homes, so-called "trailer houses". [Sources: (a) cousins lived in a trailer park when I was young; (b) we own a 70s park model trailer permanently sited on recreational land because it was cheaper than stick building a cabin.] On this one it looks like the entire tongue is jury rigged for relocation haulage, the pintle hitch and weird angle scream temporary. Very temporary. 90% sure this is not a travel trailer. In that time frame there was a thing called a "park model", which looked like a TT but was heavy, made for full-time residence, and didn’t have any self-containment (no holding tanks, no battery). They were meant to be hauled into place and left there semi-permanently, perhaps relocated a handful of times in their lives. In more recent times that role is filled by manufactured homes, so-called "trailer houses". [Sources: (a) cousins lived in a trailer park when I was young; (b) we own a 70s park model trailer permanently sited on recreational land because it was cheaper than stick building a cabin.] […]