If you intend to tow a trailer take that weight note also. A clip tongue (hitch) weight should not put the18 wheeler over it's rated axle capacities for front and rear also as paired. Your truck furthermore have a Gross Combined Weight Rating, which may be the total weight of truck mounted crane maintenance, all cargo and all towed vehicles.
Regardless of whether pick a heavy-duty rack also known as more lightweight model, wasting buy a rust resistant rack. If you do not choose a rust resistant model, then expect not necessarily your truck rack but your truck as well to show signs of rust. This issue will be especially apparent if you store your rescue truck outside where the rain and snow can be to so it. Not only is this problem a cosmetic worry, it also special vehicle make your rack diminish stable. Potentially, you could lose a large quanity while driving down the highway creating a hazardous situation to be able to and other drivers.