I have a well maintained 97 ranger with 104,xxx miles with the 4.0 ohv, 5r55e, 4x4, 3.73 axle and the manual says it's rated for 5600lbs with a maximum of 50sq ft of frontal area. It has the tranny cooler in the radiator and a hitch, did this era actually have an official towing package? I am...