This is a similar truck which I own. 350 V8, TH700R4, 4.10 axle ratio, limited slip differential, tilt column. Yes, it is a K2500 "3/4 ton" truck, with 6 bolt wheels and semi-floating 14 bolt rear end. It rides like a 3/4 ton, and shifts out like one too, with the 4.10 gears...