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(800) 426-8159

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8550022 --- Demco Hijacker 18K w/Autoslide Fifth Wheel Hitch - UMS Series

18,000 lbs. towing capacity
Part No:
345.00 LBS

  1. Features & Benefits
  2. Fit Chart
  3. Instruction Sheets
  4. Product Videos

*** This product must ship Freight Line Truck, Call for a quote on shipping ***

See Fit Chart tab to determine the proper frame mounting bracket and hardware for your vehicle.

  • Automatic sliding 5th wheel hitch
  • Made in the USA with American Steel
  • Requires UMS Series mounting brackets and hardware
  • UMS (or under bed) mounting system leaves the bed free and clear when you remove the hitch
  • Slides utilizing rack and pinion gear technology
  • Up to 14" of travel to help get in and out of those tight spots
  • Easy access for routine maintenance
  • Lighter weight for easier hitch installation and removal
  • Lower profile design
  • Short Box Application
  • 5 Year Limited Warranty
  • Made in America
  • 18,000 lb Towing Capacity
  • Double Pivot Head, Part Number: 6081
  • No Capture plate required for standard pin boxes, to activate slide mechanism
  • 3/4" Solid Steel, Positive locking slide bar for easy and secure hook-up
  • Need capture plate with Glide Ride (6036), Mor Ryde (6025) and 5th Airborne (6026 or 6062) suspension pin boxes
  • Three Vertical height adjustments to help you level the truck and trailer to provide a safe and smooth towing experience
  • Powder coated for long lasting, durable finish
  • MUST SHIP FREIGHT TRUCK - call for shipping charges


The 8550022 consists of the following components. Each has its own instruction sheets.

6077 - 5th Wheel 18k DP Automatic Sliding  ***Click here to see 6077 Instructions***

6004 - 5th Wheel UMS Adapter Plates 24-UAS-18  ***Click here to see 6004 Instructions***

Product Videos

Demco Hijacker Autoslide ()
  • Demco Hijacker...

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Ph: (800) 426-8159
Fax: (816) 861-1881

PO Box 300320
4320 Clary Blvd.
Kansas City, MO 64130