Looking to sell or trade

2008 gmc 2500

6.0 gas engine 202k miles

Crew cab gooseneck ball in the bed

And a receiver hitch

Everything works but having trouble with oil pressure just replaced the oil pump have the paperwork drives down the road fine but will flash a low oil warning at stop lights

Has rust and the box is tweeked as shown in the pictures have the tailgate it's fine just can't shut right now so I took it off mostly looking to trade for a 1 ton

Horses cattle guns hay equipment or tractor