How to Choose Correct Leaf Springs For 2011 Keystone Montana

Question

Question:

Im replacing my leaf springs and hangers on my 2011 Keystone Montana Hickory Edition 3750FL. All of your products have not let me down and I prefer to purchase from etrailer. My dilemma, I dont know which suspension to purchase and need your advice. Thanks

asked by: Greg C

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Expert Reply:

I can help you determine the right replacement leaf springs for your 2011 Keystone Montana, though we don't have any way of knowing what specific ones you need. It's pretty easy though, as what you'll need to do is measure your current leaf springs from center-to-center of the spring eyes, and you also need to know the weight rating of your axle.

Leaf springs also flatten a bit over time, so you should go with ones that measure a bit shorter than what you currently have. For example, based on your trailer weight you may have 7,500 lb or 8,000 lb axles, and if they measured 25-1/4" go with the 7-Leaf Double-Eye Spring for 8,000-lb Trailer Axles - 24-7/8" Long # DX74XR.

Then for hangers, you just want to make sure the new hangers you get are the same measurements as your old hangers so your trailer keeps the same ride height. I have added links below to our entire selection of leaf springs and hangers, or if you let me know the leaf spring measurements, I can try and point you in the right direction.

expert reply by: Kyle S

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Answer 1

I contacted MORryde and this does happen from time to time as the weight of the trailer can spread out the axles due to downward pressure on the springs/suspension. Odds are the 35" wheel base #MR27ZR will be the correct one for you, but they…

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Answer 2

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 3

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 4

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 5

The absolute best cushioned equalizer that fits the dimensions you mentioned having would be the MORryde ALLTREK 4000 part #MR89DR as this is only option to provide vertical and horizontal cushioning. This would make a big difference and you'd be…

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Answer 6

Hey Patrick, so for your leaf spring upgrade I am going to need to know a couple of things before I can get you over to the right part. Specifically, the length from eye to eye, the spring width, leaf thickness, and the number of leaves. From here I…

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Answer 7

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 8

Yes, axle spread and wheel base by definition are the same measurements. You will measure from the center of one axle to the center of the 2nd axle to determine what you axle spread is. This may be difficult as some wheels and covers will make this…

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Answer 9

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 10

Since Grand Design is kind enough to list certain parts for their trailers I can confirm you have a 33" wheelbase on your 2020 Grand Design Transcend 27BHS. This means the MORryde Rubber Equalizers #MR87ZR will fit your trailer. Although I'm…

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Answer 11

Yes, going from a 4 leaf to a 6 leaf spring would add slightly to your ride height. For example, if the current 4 leaf spring has 3/8" thick leaves, and you go to a 6 leaf spring with 3/8" thick leaves, you would be adding 3/4" of…

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Answer 12

Hey Doug, thanks for reaching out! The MORryde ALLTREK 4000 #MR89DR dimensions can be a bit difficult to explain via text so I've attached an image giving you the dimensions you're asking about!

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How to Choose Correct Leaf Springs For 2011 Keystone Montana

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