XCoat Standard Proprietary multi-stage powder coating system delivering industry-leading corrosion resistance and a professional finish XDeck Standard 11-gauge recessed treadplate deck with XCoat finish eliminates exposed edges for superior corrosion resistance and long-lasting durability XRack Standard Fully integrated headache rack system, built into the body-not bolted on, with precision 3" x 4" steel tubing, mandrel bends, and built-in Xlights for unmatched strength, protection, and safety XLights Standard Automotive-grade integrated taillights with stop, tail, turn, backup, and built-in amber strobe for maximum visibility and job-site safety XHitch Standard Frame-integrated towing system with 30,000 lb gooseneck, 24,500 lb receiver, upright safety chain keepers, pre-wired electrical connections, and an emergency breakaway loop for the safest towing experience in the industry Frame Rails Standard 4" precision-cut structural channel steel runners for maximum strength and enhanced corrosion resistance Crossmembers Standard 3" roll-formed steel for superior deck support and load capacity Side Rails Standard 3/8" x 2" formed steel rub rails with integrated stake pockets for secure tiedown options Side Rails Standard ??" x 2" formed steel with stake pockets and tie-down compatibility Fuel Fill Standard Angled fill neck with rear-facing design on cab chassis bodies for easier fueling and reduced splashback Marker Lighting Standard Automotive-grade seven-way/four-way 12-volt electrical hookup for reliabletrailer connections Trailer Light Plug Standard Automotive-grade seven-way/four-way 12-volt hookup for easy, reliable trailer connections.