Are Radius End And Flat End Slipper Springs For A Trailer Interchangeable?

Question

Question:

What is difference between flat and radius slipper spring? Thanks

asked by: Fran K

1

Helpful Expert Reply:

The only difference between the Flat and Radius end slipper springs is the shape of the end of the spring with the radius having an arch and the flat being flat as you can see in the included pictures of the Radius End # SP-179275 and Flat End # e29SR.

The springs are interchangeable but you will want to make sure that the length from the center of the spring eye to the end of the spring is the same, and make sure the spring matches the axle rating of the axle on your trailer.

expert reply by: Samuel C

1

Radius End Slipper Spring
(click to enlarge)

Flat End Slipper Spring
(click to enlarge)

Answer 1

Based on the weight information you provided, you'll want to go with a 3,700lb slipper spring, though you need to figure out the length of your current spring first. It's never a great idea to have a spring that's right at the max, as…

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Answer 2

We unfortunately do not have exactly the spring you are looking for. What I recommend is getting the 3-Leaf Slipper Spring w/ Radius End for 1,500-lb Trailer Axles - 24-5/8" Long #SP-178275 and moving your rear hanger forward because you will be…

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Answer 3

To answer your first question a double-eye spring would not compress less than your current 4-Leaf Slipper Spring w/ Open Eye End #e33SR and I do not recommend going with a higher-rated spring than what your trailer is rated for as that will make…

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Answer 4

You can add larger wheels and tires to a trailer as long as you have enough room for the larger size. The main clearance issues we find when putting larger tires and wheels on a trailer is from the top of the tire to the fender and from the inside…

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Answer 5

You are indeed right to think this way. When picking out the appropriate leaf springs for your custom built trailer you will want to choose them based on what the actual loaded weight of the trailer will be. Just make sure that the leaf springs have…

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Answer 6

I may have a solution, but unfortunately we do not have a 32" long 4-leaf slipper spring. In addition to length, you also need the width and capacity when choosing replacement slipper springs. The leaf count doesn't matter. Assuming…

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Answer 7

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 8

If you look on the frame of your trailer there should be a plate with the trailer VIN number and the axle capacities of the trailer. You will want to pick leaf springs that are as close to the axle capacity as possible. You will want to also measure…

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Answer 9

Thank you for the pictures and information of your axle! I called Dexter and your Dexter P12 SLR axle with Serial Number D-423-4057 has a 9000lb axle rating, and uses an 8 on 6-1/2 hub and drum assembly with 5/8" studs like you mentioned. For…

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Answer 10

I never recommend using grease with Nylon Bushings #TRBU11566. The grease can trap dirt which will cause the nylon to become damaged easier. And the chemicals in different greases can cause the nylon bushings to break down. If you want to use Grease…

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Answer 11

I am pretty sure you are talking about trailer suspension equalizer bushings. If they are nylon bushings it's recommended that you grease them at install and then every 3,000 miles or so. For grease we have the part #L11316.

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Answer 12

You can replace your 2 leaf slipper spring for a 4-Leaf Slipper Spring #e69SR as long as it matches the size your trailer requires and you replace all of the springs on your trailer. This spring is 1-3/4" wide, 24-5/8" long and has a radius…

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Are Radius End And Flat End Slipper Springs For A Trailer Interchangeable?

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