This odd thing includes an original sticker indicating it was sold by Sahlberg Equipment out of the Seattle area. At first I thought it was some kind of Hi-Way mower?
https://www.facebook.com/marketplace/item/341978032328401/
“Weird and rare jeep 4.2L (258) straight 6. Ran when parked 2 years ago Non running project Has title. Need a trailer or work out a way to tow it. Pm with questions”
That looks like a long ways between the clutch and brake pedals.