Why is my 1992 ford explorer it will go in reverse but won't move when put in drive why?

Why is my 1992 ford explorer it will go in reverse but won't move when put in drive why?

Have you checked the fluid level? Did the fluid smell burnt, or was it brownish in color when you checked it? I would almost bet the ranch that the Forward drive clutches are worn plumb to the steel backing plates.

Tranny is probally bad could of dropped a gear