How do I Figure Out what Weight Capacity Spring Bars I Need for My Equal-i-zer WDH?
Updated 09/29/2025 | Published 04/27/2025
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Question:
I have a arctic fox that weighs 10 800 fully loaded could I upgrade from a 1000/10000 equalizer hitch to a 1400/14000 hitch.. could I use same brackets on trailer?
asked by: John T
Expert Reply:
Hello John,
Good news, you can simply replace the spring bars rather than buying an entirely new system! You’ll want the Replacement Spring Bars for Equal-i-zer Weight Distribution Systems - Qty 2 - 1,400 lbs TW # EQ90-01-1499.
As for whether you should replace them, it depends on your loaded tongue weight. For your weight distribution system to work at its best, the spring bars should match your loaded tongue weight, not the overall trailer weight. Tongue weight is typically about 10–15% of your total trailer weight.
For example, if your trailer is fully loaded at 10,800 lbs and your tongue weight is around 15%, that would put you at about 1,620 lbs. In that case, you would definitely want to upgrade to the 1,400-lb spring bars.
To get an exact tongue weight reading, I recommend using the Big Truck Big RV Tongue Weight Scale w/ Storage Bag for Trailers - 2,000 lbs # BTBRV44FR while your camper is loaded for a trip. This will give you the most accurate measurement.
Getting things all geared up for an upcoming trip? If so, where are you headed?
Product Page this Question was Asked From
Equal-i-zer Weight Distribution System w/ 4-Point Sway Control - 14,000 lbs GTW, 1,400 lbs TW
- Weight Distribution Hitch
- WD With Sway Control
- Trunnion Bar
- Fits 3 Inch Frame
- Fits 4 Inch Frame
- Fits 5 Inch Frame
- Fits 6 Inch Frame
- Includes Shank
- Top-Mount
- Fits 2 Inch Hitch
- Allows Backing Up
- 1200 lbs
- 1300 lbs
- Equal-i-zer
more information >
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Kate F.
9/26/2025
Hey John, did you have a chance to check your tongue weight with the scale I recommended? I'm curious to know if upgrading to the 1,400-lb spring bars worked out for you. Your experience could really help others looking to make similar upgrades!