Torque Spec for Replacement U-Bolt with Nuts 175211

Question

Question:

I am installing your 6000# double eye leaf springs with the 2inch 9/16 square U-bolts. Can you tell me what your recommended torque is for these bolts?? Thanks!

asked by: LES.WATSON

0

Expert Reply:

The U-bolts of the U-Bolt Kit part # 175211 are Grade 5. The torque specs for 9/16 diameter U-bolts like this is 65-95 ft lbs.

expert reply by: Jameson C

0

Answer 1

You can switch from a 5-Leaf #e74SR to a 7-Leaf #e37SR as long as you are replacing all your leaf springs. Do note the 7-leaf springs are going to be roughly 3/4" taller so you may also need taller U-Bolts like the #MR66ZR which are…

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Answer 2

For this combination, the distance between the front hanger and the center hanger should be 32 inches on center. The distance between the center hanger and the rear hanger will be 32 inches on center. This will put the axles 36-3/4 inches apart on…

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Answer 3

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 4

When you are replacing a leaf spring you definitely want to replace all of the leaf springs on your trailer. The reason for that is leaf springs wear down over time and by replacing them at the same time ensures you will have even support on both…

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Answer 5

Typically lifting the trailer suspension is the best solution for situations like what you described. You can do this by moving the axles from being above the leaf springs to below the leaf springs. The diameter of your trailer axle will determine…

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Answer 6

The hanger spacing is going to depend on a few things including the spring measurements and the equalizers being used. But if you were using spring #e67SR the distance between the hangers would be around 29-3/4 inches. However this is using hanger…

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Answer 7

For Slipper Springs to install on your trailer that will have a maximum load of around 10,000 pounds, I recommend either the 5-Leaf Slipper Spring w/ Hook End for 6,000 pound Axles #e67SR or the 4-Leaf Slipper Spring for 5,000 Pound Axles #SP-231275,…

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Answer 8

We have the Tandem-Axle Trailer Hanger Kit for 2" Slipper Springs #APT6SE which can be used with 30-1/2 inch long slipper springs as long as they are 2 inches wide.

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Answer 9

I went and pulled the Triple-Axle Trailer Hanger Kit #APT6SE from our warehouse to measure the thickness of the equalizer in the kit and found it to be 1/4 inch thick. The equalizer is made by the company Redline.

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Answer 10

Yes, you can mount two 6,000 lb capacity axles that use slipper springs in tandem on your trailer. What you'll need is a tandem axle slipper spring hanger kit like the part #APT6SE which is designed for 2 inch wide springs like what you have.…

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Answer 11

I was able to find more info on your slipper spring. Looks like you have a Dexter 5115 slipper spring that is 27-1/2 inches long and has a 4k capacity. I attached a picture that has all of the hanger spacing dimensions needed when installing this…

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Answer 12

I checked for you and when installing the 7-Leaf Slipper Spring w/ Hook End for 8,000-lb Trailer Axles #e37SR with the Tandem-Axle Trailer Hanger Kit for 2" Slipper Springs - 12" Long Equalizers #APT6SE the distance between the front and…

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Torque Spec for Replacement U-Bolt with Nuts 175211

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