Leaf Spring Recommendation for 4,300 lb Trailer Axle

Question

Question:

I have a two axle trailer rater GAWR 4300 lb PER AXLE, I need to buy springs, the measure FRONT center eye HANGER to CENTER center eye HANGER is 27 1/5. what size spring you recommended to buy. Thank you

asked by: Sergio

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Expert Reply:

The leaf spring that best matches your trailer is going to be the part # e27SR. This spring has a 4,500 lb capacity and has a length of 26 inches which is about length you'd need. You do want the spring length to be a bit longer than equalizer bolt hole to hanger dimension so that the shackle stays pointing the correct direction.

expert reply by: Jameson C

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Answer 1

When measuring a trailer leaf spring it has to be done with no weight on the spring. You can do this by jacking up one side of the trailer and measuring the spring on that side. Or by removing a spring. It is likely that the springs on your trailer…

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Answer 2

Certainly; the correct leaf spring for your 2022 Grand Design 295RL is the 6-Leaf Double-Eye Spring #e94SR.

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Answer 3

With trailer leaf spring replacement you want to go with at least the same weight capacity as the axle with going a little bit over being acceptable. Next you'll want to match the length as best as possible while keeping in mind that leaf springs…

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Answer 4

For your 2016 Grand Design Reflection 29RS, we have two possibilities for replacement springs that work for 4400-lb axles. You need to measure from the center of one eye of the leaf spring to the center of the other to get the proper length. However,…

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Answer 5

I made a call to my contact at Rockwell American and was able to obtain some information on the springs that are currently on your 2004 Cardinal travel trailer. Your current springs, 93103, have an axle capacity of 4,400 lbs, are 1-3/4 inch wide, and…

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Answer 6

You can use the 25-1/4" 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles #e44SR to replace your current leaf springs that measure 26" from eye to eye. What happens is that leaf springs will stretch out and flatten over time. So if your…

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Answer 7

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 8

Thanks for the pictures! Since your 2022 Grand Design Reflection 303RLS came with the CRE3000 equalizers you will need three of the MORryde X-Factor Crossmember item #MR33WR. It looks like you have the standard 3" wide frame hanger so all of the…

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Answer 9

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 10

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 11

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 12

The spring hanger placement is going to be determined by your axle spacing. For example, if your axles are spaced 33 inches apart, as shown in the attached diagram, a 7K axle slipper spring, like #e74SR, requires a distance of 28-1/2 inches between…

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