U-Bolt Torque Recommendation for 1/2 inch Diameter On Trailer Suspension

Question

Question:

Hi, trying to get a torque value for the above U-bolts Thanks

asked by: Nick

1

Helpful Expert Reply:

For 1/2 inch trailer u-bolts that attach to axle the recommended torque value is between 45 and 70 ft lbs of torque.

expert reply by: Jameson C

1

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Answer 1

If the U-bolts are 9/16 inch diameter, the torque specs should be between 65 to 95 foot lbs. If the U-bolts are 3/8 inch diameter, the torque should be between 30 and 50 foot lbs.

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Answer 2

The SRE4000 is quite a big improvement over the CRE3000. The SRE4000 provides more suspension travel (4" Vs. 3"), greater road shock absorption, a longer warranty (3 Yrs. Vs. 2 Yrs.), and much more. We also offer the SRE4000 with an…

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Answer 3

I have attached for you below all the parts you requested for your 2019 Grand Design Reflections 303RLS. 5-Leaf Double-Eye Spring part #e34SR MORryde Suspension Upgrade Kit for Tandem Axle Trailers part #MR46ZR MORryde Shock Absorbing Suspension…

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Answer 4

You can upgrade the 1750 lb leaf springs to 2500 lb leaf springs. You do want to keep in mind that the ride may be a bit stiffer since you are upgrading your springs to a higher capacity. Like you mention upgrading the springs will not give you a…

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Answer 5

Typically 1-1/2 to 1-3/4 inch diameter axles have 1,000-1,200 lb capacities. Since your axles are smaller than that I can only assume slightly less than 1,000 lbs. On some trailers there will be a plate or sticker that will list the trailer…

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Answer 6

The torque specs for a 1/2" trailer suspension u-bolt like the CE Smith U-Bolt Kit part #CE23003 is between 45 ft/lbs - 70 ft/lbs.

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Answer 7

There is not a torque spec on the axle nut for the Dexter Trailer Idler Hub Assembly for 3,500-lb Axles - 5 on 4-1/2 #84545BX. The axle will have a castle nut that should be tightened until there is no side to side play and then backed off to the…

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Answer 8

I apologize for any confusion on what the proper torque specs are for 1/2 inch lug nuts on trailer wheels. I attached a picture of a chart to the right that details what the proper torque specs are for a trailer wheels lugs based on lug size, wheel…

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Answer 9

Both the MORryde Rubber Equalizers #MR87ZR and Dexter E-Z Flex Suspension Kit #K71-652-00 are achieving the same result. They are doing so with slightly different designs but end up with the same result. I recommend using the Dexter E-Z Flex…

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Answer 10

The manufacturer of the TruRyde bearing and seals we carry like what come in the kit #BK2-100 is TRP International.

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Answer 11

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 12

I reached out to my contact at Dexter and with the serial number you provided they were able to track down the correct replacement bearings for the spindles on your axles. For the inner bearing you will use part #25580 for the bearing itself and…

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U-Bolt Torque Recommendation for 1/2 inch Diameter On Trailer Suspension

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