{"product_id":"demco-21k-5th-wheel-hitch-with-rails-above-bed-mount-8550036","title":"Demco | 21K 5th Wheel Hitch with Rails | Above Bed Mount | 8550036","description":"\u003cp\u003eGet a complete short-bed fifth wheel towing solution for heavy rigs with the \u003cstrong\u003eDemco Hijacker 21K Autoslide Above-Bed Fifth Wheel Hitch with Industry Standard Rails (Part #8550036)\u003c\/strong\u003e. With 21,000 lbs of capacity, an automatic 14\" rack-and-pinion slider, and industry-standard above-bed bed rails included, this is the complete-package option — everything you need to mount and tow without sourcing rails separately.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit — Industry Standard Bed Rails Included\u003c\/h3\u003e\n\u003cp\u003eWhat sets the 8550036 apart from the otherwise-identical \u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-21k-5th-wheel-hitch-without-rails-above-bed-mount-8550035\"\u003e8550035 above-bed hitch\u003c\/a\u003e: the \u003cstrong\u003eindustry-standard bed rails are included\u003c\/strong\u003e in the kit. If your truck doesn't already have rails installed, this is the one-stop option that gets you up and towing without a separate rail purchase. The hitch is also compatible with \u003cstrong\u003ePremier\/Ultra-Series above-bed install kits\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e21,000 lb Capacity Built for Heavy Rigs\u003c\/h3\u003e\n\u003cp\u003eThe 8550036 is rated for serious work with \u003cstrong\u003e21,000 lbs of gross towing weight capacity\u003c\/strong\u003e — putting it in the right range for big fifth wheels, toy haulers, and heavy RV setups. \u003cstrong\u003eMade in the USA with American steel\u003c\/strong\u003e and backed by a 5-year warranty.\u003c\/p\u003e\n\n\u003ch3\u003eAutomatic Sliding for Tight Turns\u003c\/h3\u003e\n\u003cp\u003eThe built-in \u003cstrong\u003erack-and-pinion automatic slider\u003c\/strong\u003e provides up to \u003cstrong\u003e14\" of fore\/aft travel\u003c\/strong\u003e at slow speeds — as you turn, the hitch head glides smoothly toward the tailgate to keep your trailer clear of the cab. \u003cstrong\u003eNo need to get out of the truck to pull a pin or manually slide the hitch.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWraparound Jaw with Locking Bar\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ewraparound jaw with locking bar\u003c\/strong\u003e delivers a smoother, safer, and more secure connection to your king pin — cutting down on the rattle and trailer movement that wear on you over a long travel day.\u003c\/p\u003e\n\n\u003ch3\u003eAdjustable Hitch Height for Level Towing\u003c\/h3\u003e\n\u003cp\u003eThree height settings let you fine-tune trailer height for level towing and proper bed rail clearance:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eLow: 15-1\/4\"\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMiddle: 16-1\/2\"\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHigh: 18\"\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLower Profile, Lighter Weight\u003c\/h3\u003e\n\u003cp\u003eThe 8550036 features a \u003cstrong\u003elower profile design and lighter weight\u003c\/strong\u003e than many comparable hitches, making installation and removal easier. Easy access for routine maintenance is built in.\u003c\/p\u003e\n\n\u003ch3\u003eStandard Pin Boxes Activate the Slide Automatically\u003c\/h3\u003e\n\u003cp\u003eFor most setups, \u003cstrong\u003eno locking plate is required\u003c\/strong\u003e to activate the slide mechanism — standard pin boxes do the job out of the box.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Cushioned Pin Box Requirement\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003elocking (capture) plate is required\u003c\/strong\u003e for the slide mechanism to activate with the following cushioned suspension pin boxes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDemco Glide Ride\u003c\/li\u003e\n  \u003cli\u003eMorRyde\u003c\/li\u003e\n  \u003cli\u003eRotoFlex\u003c\/li\u003e\n  \u003cli\u003eTrailAir Tri Glide\u003c\/li\u003e\n  \u003cli\u003eTrailAir Flexair\u003c\/li\u003e\n  \u003cli\u003e5th Airborne\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Note About 90-Degree Turns\u003c\/h3\u003e\n\u003cp\u003eThis hitch \u003cstrong\u003emay allow 90-degree turns, but not in every case\u003c\/strong\u003e. The actual maximum turn angle depends on your specific truck and trailer combination, so always check clearance on your setup before assuming full-range articulation.\u003c\/p\u003e\n\n\u003ch3\u003eConsidering Other Demco Hitches?\u003c\/h3\u003e\n\u003cp\u003eWe carry related Demco fifth wheel hitches for different truck setups and capacity needs:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-21k-5th-wheel-hitch-without-rails-above-bed-mount-8550035\"\u003eDemco Hijacker 21K Autoslide WITHOUT rails (8550035)\u003c\/a\u003e — same hitch, for customers who already have above-bed rails\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-autoslide-5th-wheel-trailer-hitch-w-slider-single-jaw-above-bed-18-000-lbs-8550034\"\u003eDemco Autoslide 18K above-bed (8550034)\u003c\/a\u003e — same Autoslide platform with 18K capacity\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-ums-under-bed-18k-autoslide-hijacker\"\u003eDemco UMS Under-Bed 18K Autoslide (8550022)\u003c\/a\u003e — Autoslide with under-bed mounting (18K)\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-ums-under-bed-21k-autoslide-hijacker-8550037\"\u003eDemco UMS Under-Bed 21K Autoslide (8550037)\u003c\/a\u003e — same 21K Autoslide with under-bed mounting\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/demco-ums-under-bed-21k-ford-prep-package-autoslide-hijacker-8550038\"\u003eDemco 21K Ford Prep Package Autoslide (8550038)\u003c\/a\u003e — same 21K Autoslide, drops directly into factory Ford pucks\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"https:\/\/thervsurplus.com\/products\/21k-underbox-double-pivot-fifth-wheel-hitch-for-reese-ums-brackets-8550033\"\u003eDemco Hijacker SL 21K Underbox (8550033)\u003c\/a\u003e — same 21K capacity, fixed mount (no slider), for long-box trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included (and What's Not)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHitch\u003c\/li\u003e\n  \u003cli\u003eIndustry-standard bed rails\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSold separately:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicle-specific frame brackets\u003c\/strong\u003e — required for installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapture plate\u003c\/strong\u003e — required only if you have one of the cushioned pin boxes listed above\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete kit\u003c\/strong\u003e — industry-standard bed rails included\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e21,000 lb capacity\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e14\" automatic slider\u003c\/strong\u003e using rack-and-pinion gear technology\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWraparound jaw with locking bar\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 vertical height adjustments\u003c\/strong\u003e (15-1\/4\", 16-1\/2\", 18\")\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLower profile, lighter weight\u003c\/strong\u003e for easier install and removal\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eEasy access for routine maintenance\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo locking plate required\u003c\/strong\u003e for standard pin boxes\u003c\/li\u003e\n  \u003cli\u003eCompatible with \u003cstrong\u003ePremier\/Ultra-Series\u003c\/strong\u003e above-bed install kits or industry-standard rails\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in USA\u003c\/strong\u003e with American steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFREE freight shipping\u003c\/strong\u003e to the 48 states (freight items are not returnable)\u003c\/li\u003e\n  \u003cli\u003eBacked by a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Demco\u003c\/li\u003e\n  \u003cli\u003eModel: 21K 5th Wheel Hitch with Rails (Hijacker Autoslide Ultra Series Above-Bed Mount)\u003c\/li\u003e\n  \u003cli\u003ePart Number: 8550036\u003c\/li\u003e\n  \u003cli\u003eType: Slider Fifth Wheel Hitch (for short truck beds)\u003c\/li\u003e\n  \u003cli\u003eCapacity: 21,000 lb\u003c\/li\u003e\n  \u003cli\u003eSlider Travel: Up to 14\" (automatic, rack-and-pinion)\u003c\/li\u003e\n  \u003cli\u003eRail Type: Industry standard (included)\u003c\/li\u003e\n  \u003cli\u003eCompatibility: Premier\/Ultra-Series Above-Bed Install Kits or Industry Standard rails\u003c\/li\u003e\n  \u003cli\u003eHitch Heights: 15-1\/4\" \/ 16-1\/2\" \/ 18\"\u003c\/li\u003e\n  \u003cli\u003eMaterial: American steel\u003c\/li\u003e\n  \u003cli\u003eIncludes: Hitch, industry-standard bed rails\u003c\/li\u003e\n  \u003cli\u003eSold Separately: Vehicle-specific frame brackets; capture plate (only if needed for cushioned pin boxes)\u003c\/li\u003e\n  \u003cli\u003eCushioned Pin Box Requirement: Capture plate required for Demco Glide Ride, MorRyde, RotoFlex, TrailAir Tri Glide, TrailAir Flexair, 5th Airborne\u003c\/li\u003e\n  \u003cli\u003eCountry of Origin: USA\u003c\/li\u003e\n  \u003cli\u003eWarranty: 5-year\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Demco","offers":[{"title":"Default Title","offer_id":54659831071023,"sku":null,"price":3449.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/DMC8550036.jpg?v=1772736719","url":"https:\/\/thervsurplus.com\/en-au\/products\/demco-21k-5th-wheel-hitch-with-rails-above-bed-mount-8550036","provider":"The RV Surplus","version":"1.0","type":"link"}