Comparing Nylon Bushings TRBU11566 and 721590

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Question:

what the difference between this and part trbu 11566, thanks im waiting on my order of these 14. Sure seems to be taking awhile to get them.

asked by: Ray M

1

Helpful Expert Reply:

The Nylon Bushing part # TRBU11566 and Nylon Bushing part # 721590 are pretty much the same, they both are made of nylon and have the same dimensions. The former is made by TruRyde and the latter is made by Dexter. I will say however that Dexter is a more well known trailer part manufacturer and used as an OEM for most trailers.

expert reply by: Conner L

1

Answer 1

It is unlikely that worn bushing would cause poor tracking or sway unless something else was also worn. Look for any egg-shaped holes in the hangers, spring, equalizers and any other suspension component. This would be an indication of excessive wear…

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Answer 2

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 3

Well shackle length is mainly based on the height difference between the front and rear hangers. The rear hanger normally doesn't hang as low as the front so that the shackle can offset the difference and add the ability to move. What is the…

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Answer 4

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

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Answer 5

Hi Bruce, To lift your trailer we'll first need to check of the suspension and see if you have torsion axles or a leaf spring suspension. If you have torsion axles then I'll need to see the axle tag in order to determine what you have so I…

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Answer 6

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

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Answer 7

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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Answer 8

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 9

Yes, the MORryde Suspension Upgrade Kit for Tandem Axle Trailers - 3-1/8" Long Shackle Straps #MR76ZR will fit with the Equa-Flex system on your Grand Design.

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Answer 10

I have attached for you below some common torque values needed for a trailer suspension system but a lot of these will vary by bolt size and other factors. U-Bolts: Varies by Size - 1/2" bolts: 45 ft/lbs - 70 ft/lbs, 9/16" bolts: 65 ft/lbs…

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Answer 11

You will measure the MORryde Suspension Upgrade Kit for Tandem Axle Trailers #MR76ZR from the center of each hole on the shackle strap.

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Answer 12

Hey Dave, the MORryde upgraded shackle kit part #MR76ZR that you referenced is compatible with your 2020 Grand Design 2670MK and the Lippert Road Armor equalizers.

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Comparing Nylon Bushings TRBU11566 and 721590

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