I’ve never seen a battery mounted sideways like that.
https://www.facebook.com/marketplace/item/396596255615123
“1953 willys jeep 3 speed twin stick transfer case dual tanks 4.3 v6 chevrolet motor bfg mud terrain tires runs and drives great Very solid body probably one of the most solid. Great fun it’s a real head turner and handles great down the road. Bucket seats and bench rear seat, full roll cage.”
THIS LOOKS LIKE A 53 ? – 99.9% OF 3B’S are 53’s !!