4K Equal-i-zer® 4-point Sway Control™ Hitch

Catalog Item # 47625

Unique two-in-one design combines weight distribution with sway control, all in one easy-to-hook-up system that works on any trailer.

Minimizes sway caused by passing vehicles, cross winds and other towing hazards. Distributes trailer weight across all tow vehicle axles for safer, easier handling.


  • Combines weight distribution and sway control in one simple design
  • Four positive friction areas combat sway
  • Innovative rigid sway control brackets fit trailer frames up to 6” tall
  • Brackets are designed for flexible placement on trailer frame without interfering with tongue jacks, propane tanks or other accessories
  • Works on any type trailer including travel trailer, boat trailer, cargo trailer and more
  • Works with boat trailer surge brakes, unlike other weight distribution and sway control systems
  • Includes hitch shank with 3” drop/7” rise

    How It Works Downward pressure from the trailer tongue and upward pressure on the spring arms activates the rotational friction sway control. The spring arms link the rotational sway control to the sway control brackets and distribute the weight of the trailer tongue. The rigidity of the sway control brackets allows the dual rotational friction sway control to hold the trailer in line behind the tow vehicle.

  • Technical Specifications

    65 lbs.
    Spring arm size 1" sq. x 36"L

    Camper's Choice Rating

    Reviewer rating of 5 stars based on 1 reviews (5 Based on 1 Review)

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    • Easy To Hook Up (1)
    • The Anti Sway Control Design Works Flawlessly. (1)

    Performs as promised

    by NICHOLAS MAZZA – August 24, 2018
    5 out of 5 stars

    I purchased this hitch for my new single axle RV trailer. I was a little concerned with trailer sway , especially on the highways

    17' Spirit Deluxe. Tow vehicle is 2015 Toyota Tacoma Crew Cab. 6 cylinder.
    Disengage weight distribution before towing or backing the trailer where there is a significant transition in grade which puts strain on the hitch, e.g. backing from a flat street to a steep uphill driveway. Based on manufacturer specs for a current year model 17' Casita Spirit Deluxe, the 4000 lb. Equal-I-zer Hitch is recommended. Equal-i-zer: How to Select Hitch Size for Your Trailer
    by Camping World – March 08, 2016

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