It's the tr4500 transmission if I remember correctly, I had it installed about a decade ago when the engine was remounted. It is driveable, just has the stock steering which is giving problems.
1966 FJ40, Chevy 350 with 5 sp, rebuilt axles, refurbished interior, new top, new rear bumper. Body and steering needs work. Photos attached, more available upon request. $7,000.00 OBO