I have had all 3 . I had a 88 heavy half a 89 half ton and a 90 3/4 ton. My current truck is a 1998 heavy 3/4 single rear 1 ton 9200 gvw i think. The one thing with the 1/2 ton i find is the rear axle gets hot and the brakes are lacking when towing close to 6k lbs. I would at least chang the dif...