My truck : ) 2003 Chevy 2500 HD, 4x4, 8.1L/496 ci, Allison auto. Firestone HD airbags, Helwig HD rear sway bar, Dual redtop Optimas, Nitto Terra Grappler 10 ply Erated tires on Mickey Thompson forged alum. alloys. Only 26k orig. miles on the ticker. Currently she hauls a 24 ft Prowler travel trailer and 2 Yamaha Big Bear IRS 4x4 quads over the river and thru the woods. Before that it was a Lance cabover towing a 16ft flatbed with our Lil Sammy and 2 quads.