Recommended Leaf Springs for Continental EC312 Boat Trailer

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Question:

Leaf springs for Continental EC312 trailer, 1200#. Is the ones I need SP-178275? Looks like it. Thanks again, mighty trailer gods!

asked by: Scott L

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Expert Reply:

The 4-Leaf Double-Eye Spring for 2,000-lb Trailer Axles - 26" Long # e77SR are stronger than the capacity of your trailer, but you will still be limited to the 1200 lb GVWR of the manufacturer. The only thing to be aware of is this could cause a stiffer ride when unloaded.

As long as your double eye leaf springs are 26 inches from bolt hole to bolt hole centers, this will work very well for you. I've attached a video to assist.

expert reply by: Jason S

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Answer 1

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 2

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 3

Hey Darrel, we actually have exactly what you are looking for with the part #TRU52FR which is for a 7k axle and is 25-1/4 inch from eye to eye. This is also a 6 leaf spring as well. The spring you referenced would be too short.

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Answer 4

There is no exact way to determine the leaf spring length. The best way to determine the length for a replacement is by measuring the existing leaf springs. The hanger distance and shackle length can help you get a good idea, but you're looking…

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Answer 5

Hey Bekzod, So while we don't have a way of knowing the exact leaf springs for your Arctic Wolf 5th wheel trailer, I can help you determine the correct replacements. You do have to take a measurement, though it's pretty easy, as all you need…

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Answer 6

The determine the correct replacement leaf spring on your 2021 Coachmen 259FKDS you'll need to lift your trailer frame so the spring is hanging freely and then measure from center-eye to center-eye, then for the equalizer you need to measure…

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Answer 7

Trailer wheel bearings are specific to the spindle that is installed on the axle that is on your trailer. You will need to safely support the trailer, remove the wheel and tire, remove the grease cap, remove the cotter pin and washer that secures the…

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Answer 8

Hello Mark, thanks for reaching out. When replacing leaf springs, it is important the new springs are identical in length to the old ones. There is a small amount of tolerance, like 1/2" or less, but any more than this can throw the suspension…

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Answer 9

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 10

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 11

Hi Leo; I would start by checking to see if there are axle tags on the axles. They will probably have the capacity on them or at least a serial number the axle manufacturer could use to identify the axle. If the trailer manufacturer is still in…

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Answer 12

Hey Alex, I don't have a way to know exactly what leaf spring your NV19 trailer has/needs but there's a pretty good chance the part #e34SR is correct. 25-1/4 inch length is a very common length but so is 26 inch like the part #e94SR so you…

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Recommended Leaf Springs for Continental EC312 Boat Trailer

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