Correct Positioning of Shackle Strap

Question

Question:

At what angle should the shackle strap be mounted? I have to weld on the leaf spring brackets. It wasn’t don’t properly the first time. I attached a photo of my current situation. I have to move the rear bracket back a little.

asked by: Chris F

0

Expert Reply:

There is no set angle, but you want to leave enough room for the suspension to articulate. By looking at the photo, you will indeed need to move the rear hanger back a bit. The shackle strap be much closer to vertical, as shown in the diagram provided.

expert reply by: Mike L

0

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Answer 1

You will be able to use the Road Armor Shock Absorbing Equalizers since they're fairly close in dimensions (6" wide x 3-1/4"). I recommend pairing these equalizers with the Never Fail Tandem Axle Suspension Kit #LC281285 which comes…

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Answer 2

I would be happy to help you find replacements for your tandem axle trailer's 3,500 lbs axles. The Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double Eye Springs - 3-1/8" Links item #e99ZR you were looking at would work…

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Answer 3

I have a solution for you, but the Dexter #K71-359-00 is not going to be a fit since the equalizer is only 5-3/4" wide. You could use the Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double Eye Springs - 3-1/8" Links #e99ZR,…

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Answer 4

The correct replacement 6-1/8" long equalizer is the part #TREQ356, not the part #TREQE34 which is 7-3/4" long. Therefore no, the two are not directly cross compatible. If the reason you are wanting to use 7-3/4" long is so you can get…

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Answer 5

Hey Patrick, That suspension kit #e99ZR will most likely work fine for you. The one thing you should double check is the length of your original equalizer by measuring from center bolt hole to center bolt hole. That is going to give you the length.…

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Answer 6

It appears you may have installed shackle straps which are longer than what you may have had. It appears your straps are either 3-1/8" #TRSL313 or 3-1/2" #TRSL350 and you likely only need a 2-1/4" #TRSL225. This would move the mounting…

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Answer 7

Hello Cole, thanks for reaching out. The 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles #TRU62FR is 27" long center eye to center eye. I edited a picture to help illustrate.

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Answer 8

The Step Wet Bolt #34007-187-00 is a 9/16-inch diameter overall and 3-inches long. The threaded portion is a smaller 7/16-inch diameter (which is the "step"). You can use this part with the matching 7/16 nut #192600 or you can use standard…

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Answer 9

Ff the springs you are installing are 25-1/4 inches, you would need to place the hangers between 24-3/4 and 25 inches apart. The shackle should be angled as the drawing shows in the attached helpful article, which should be toward the rear of the…

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Answer 10

Trailer spindle and bearing tolerances are pretty tight, usually down to a thousandth of an inch. Use of emery cloth on a spindle to remove scoring damage might remove enough material to affect the fit of the replacement bearing. You can be off the…

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Answer 11

There is no exact way to determine the leaf spring length. The best way to determine the length for a replacement is by measuring the existing leaf springs. The hanger distance and shackle length can help you get a good idea, but you're looking…

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Answer 12

You want leaf spring shackles to be at a slight angle as that prevents the springs from flipping around to the other side of the equalizer over uneven terrain. I attached a picture that shows what the angle is typically like.

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Correct Positioning of Shackle Strap

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