There are universal style trailer hitches that you may be able to adapt to your 1995 Isuzu Pickup, but, trailer hitch manufacturers do not make a custom fit trailer hitch for that truck.
Universal trailer hitches like the Draw-Tite Weld-on Ultra Frame Hitch, # 41990-07, have mounting brackets that fit a variety of different frame styles and are adjustable to fit different frame widths, but they do require welding to install. Because this is a universal application, it would be up to the... view full answer...