Given the solid rear and extra gas tank on the passenger side, could this be an aftermarket body? I recently found an ad for a California company that sold 2A/3A bodies with gas inlets on both sides. Maybe they did 3Bs, too?

“1961 CJ3B. I bought this about 15 years ago with dreams of restoring it ( with some improvements). The body work is done and it looks awesome. Entire body was straightened, sand blasted and painted professionaly. I had the body shop rhino line the underside and engine compartment. There is no rust or bondo.

I also had a new Chevy 350 in it. I believe it has a T-18 transmission. All I know is the top speed is about 45 but it will climb anything. The tires and rims have less than 100 miles on them. This is a cool jeep and if I had time for it I would replace the suspension. Over 15k invested in bodywork and paint alone. ”

http://reno.craigslist.org/cto/5713367091.html