NICE dump! BBW/350/TH400/GV over-under drive...
https://seattle.craigslist.org/oly/cto/6010845793.html
I have to admit, I'm picturing it with a longbed on it...if it's the right frame length. Something is jumpin out at me... Perhaps the CustomCamper nameplate "placement". Looks low to me. Dunno. Anyway, real nice lookin truck.