Torque Specs for U-Bolts on 3,500 Pound Axles

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Question:

U_ bolt plates bent 1/2 u_bolts by from e_trailer try to torque down 75 foot pounds but the u_bolt plates bent this is not normal for tandem axle trailer 3500 lbs what is torque specs for tandem axle u_bolts thanks

asked by: George G

0

Expert Reply:

For 3,500 pound axle U-bolt kits like the Redline # APUBR-1 that use 1/2 inch hex nuts you will want to torque them down somewhere between 45 and 70 foot pounds. I have attached a great article on trailer suspension that includes this info along with details on all the other necessary components that you can look through.

expert reply by: Chris R

0

Answer 1

There is no specific torque rating for shackle bolts. You'll want to ensure that the bolts you use are long enough so that when installed you will have at least 2 threads protruding from the nut. Make sure that the bolt you're using…

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Answer 2

First you will want to completely deflate the airbags. Then to remove the air line from a push to connect fitting like part #F3128-1 you first push the outer metal ring inward and then pull the air line out. You may also need to push in on the air…

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Answer 3

The Tow Ready 2 Inch Hitch Ball, part #63845, you have referenced needs to be torqued to 250 foot pounds. It is recommended to frequently check that the ball is tightened to these specifications. If you are meaning the mounting bolts that are used…

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Answer 4

The best way to pick out a weight distribution system is to base it off of the loaded tongue weight of the setup when it is loaded and ready to tow. This figure also includes the weight of any cargo behind the rear axle of the tow vehicle. I attached…

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Answer 5

The replacement lights for the Kwikee steps, including #LC379414, have incandescent bulbs.

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Answer 6

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 7

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 8

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 9

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 10

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 11

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 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Torque Specs for U-Bolts on 3,500 Pound Axles

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