Are Weight Distribution Spring Bars Universal or Brand-Specific

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Question:

Following up a question http://www.etrailer.com/question-225672.html?fb=yes Are trunnion style bars and their ends that attach to the hitch universal fitment OR are they company propriety tech? For example would a Reece trunnion bar fit a Curt hitch and vice versa?

asked by: Peter

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Expert Reply:

All weight distribution system parts, except for the shank component that fits into your hitch, are proprietary and brand-specific. You could mount a Curt WD head on a Reese shank (or the reverse) but the spring bars and other parts need to be from the same maker as the head assembly into which they will be installed.

I linked our main page for trunnion spring bars. Select bars based on the brand of system and the trailer's fully-loaded tongue weight. Ideally the total TW will fall near the middle of the bar's operating range. For instance, Reese trunnion bars # RP66009 work for trailer TW up to 1200-lbs so they would be ideal for a TW of 700-800-lbs.

expert reply by: Adam R

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Answer 1

The shank parts of most weight distribution hitches use standardized hole sizing and spacing so the shank from one brand of WD system will work with the head assembly from another brand. You do want to verify though that the weight capacities are…

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Answer 2

When choosing a weight distribution system the most important thing you want to know is what the gross tongue weight is. Gross Tongue Weight is the tongue weight of your trailer when it is fully-loaded and ready to tow added to the weight of any…

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Answer 3

An underslung trailer coupler is one that attaches to the bottom of the trailer frame and an overslung one is one that attaches to the top of the frame. The Replacement Head for Blue Ox SwayPro Weight Distribution Systems part #BXW4011 is for…

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Answer 4

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 5

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 6

For sag from towing a trailer the best recommendation I can make is actually a weight distribution system. Suspension enhancement will help level your truck while towing. But the advantage to a weight distribution system is that it levels the vehicle…

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

Weight distribution works to distribute the tongue weight of a trailer up to the front axle of the tow vehicle so that it will sit more level and handle/brake better. That being said the systems do not "reduce" tongue weight or allow you to…

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Answer 9

The round or trunnion bars refers to the end of the spring bars. Round bars are typically designed for lighter applications, are a bit harder to install and are usually priced lower than trunnion bars. Trunnion bars are typically designed to be used…

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Answer 10

According to RoadActive Suspension the spring rate for the standard kit #RAS3611-S is 2,400 lbs. For the heavy duty #RAS3611-SHD it is 3,600 lbs. The heavy duty #RAS3611-SLHD is the same but only designed to fit if you have factory top overload…

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Are Weight Distribution Spring Bars Universal or Brand-Specific

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