Torque Rating for 2-3/8 Inch Round Trailer U-Bolt part # SP01-040

Question

Question:

Do you know the tourqe on your 5/12 inch long X 1/2 inch with 2 3/8 width, fine threads..

asked by: Alan L

0

Expert Reply:

I called the manufacturer and they said that the minimum torque is 45 ft. lbs. and the maximum is 70 ft. lbs.

expert reply by: Patrick B

0

Answer 1

I would be happy to help! When measuring for new leaf springs you need to either take them off of the trailer, or jack up the side of the trailer so that the axle is not carrying any weight. Based on the pictures of the leaf springs on your 2017…

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Answer 2

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

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Answer 3

Yes the torque specs for the nuts on the U-bolt part #SP01-040 should be between 45 and 70 foot lbs.

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Answer 4

The problem seems to be mostly that your shackle straps are hitting the frame, and the reason for this is almost certainly because the 3-1/8" Shackle Strap #TRSL313 you are using are too long. The other possibility was the hangers being too…

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Answer 5

We offer a range of leaf springs, both double-eye and slipper types, in several lengths near your 26-inch measurement. I have linked you to our main page for trailer springs. When you click on the product link you will see all 4 leaf springs near 26…

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Answer 6

The Dexter Trailer Springs Over-Under Conversion Kits #K71-384-00 for 2-3/8" axles and #K71-385-00 for 3" axles are definitely the way to go when it comes to cost-effective. I believe these are the kits you were referring to. They don't…

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Answer 7

Of the hanger kits we offer the #APS4 is going to be the tallest that we offer. The hanger spacing you will need to use for the leaf springs like #SP-210275 with the #ASP4 hanger kit is 25-3/4 inches.

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Answer 8

To slightly lower your trailer that has had an "axle flip" kit installed you would want to use slightly shorter shackle straps, not longer ones. Shorter shackles will let the axle rest closer to the trailer frame, which lowers the trailer…

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Answer 9

A leaf spring being 1-1/2" longer is going to be to much of a difference to work properly for the trailer suspension. While it may bolt up the positioning of the axles will change by quite a bit and may bind up as the suspension travels through…

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Answer 10

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 11

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 12

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Torque Rating for 2-3/8 Inch Round Trailer U-Bolt part # SP01-040

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