2wd, dually, 350 sbc, turbo 400 automatic with 69,000 original miles.
Box is insulated, measures 12' long, 7' wide and 6' tall. E track along both sides. Winch centered inside box. More pics to follow when I get it cleaned out.
Great truck, runs and drives well. Bought it to help people move home goods but didn't want people to abuse it as a rental.