not orignal body i thinking . 1tons didnt get vac brakes . they got hydro boost .
and cant tell to good in the pic but hub caps look wrong for k30 up front . no extra lip for the BIG dana 60 hubs . but small pics i cant zoom in on my shop computer to good to see .
also looking again the front bumper looks 80-older style .
post up a link so we can see the pics better .
i think its a 3/4 ton .