Will Upgrading Leaf Springs Increase Trailer Weight Capacity

Question

Question:

i had a snow bear 4 x 8 trailer given to me i was wondering if i can change the 2000lbs to 3000lbs by just changing the springs it has a solid tube axel so i thought i could change the springs and put some extra metal for load support lol thank you

asked by: Craig

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Expert Reply:

If your leaf springs are the lowest rated component on your trailer then if you were to use leaf springs with a higher weight capacity, like part # e54SR, it would increase your total weight capacity. However, it sounds like you have a 2,000 lb axle weight rating. In that case upgrading your leaf springs to a higher weight capacity would not increase the weight capacity of your trailer.

Since you are always limited by the least rated component you will want to find that component and upgrade it. If the trailer itself is only rated for 2,000 lbs then you will not be able to safely carry any more weight than 2,000 lbs per the manufacturer's rating.

If you let me know what the least rated component is on your trailer I can make some recommendations for you.

expert reply by: Jon G

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Answer 1

You are going to need 26" long leaf springs. We have our Standard #e94SR or the Rust Resistant #e88SR springs you can select from. Both of these are the correct 26" length you need and have a weight capacity of 3,000lbs per spring.…

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Answer 2

This will need to be pieced together to build you an entire kit. First the Dexter Trailer Idler Hub Assembly #8-213-5UC1 will replace your current brake and hub assemblies on your 2010 Forest River Salem 336QBUD. This will let you remove the brake…

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Answer 3

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…

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Answer 4

The term, wet, in this case means that the head of the bolt has a grease Zerk in it and there is a channel that leads to center of the bolt. This makes it easy to grease the bolt while installed, as you can put a grease gun right up to the Zerk and…

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Answer 5

As long as you are replacing everything (hangers, springs, hardware, equalizer), then yes, you can use our trailer suspension kit, #APT5. In fact, this is the kit that I recommend for your trailer. The hangers must be welded to the trailer. The…

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Answer 6

You can upgrade the 1750 lb leaf springs to 2500 lb leaf springs. You do want to keep in mind that the ride may be a bit stiffer since you are upgrading your springs to a higher capacity. Like you mention upgrading the springs will not give you a…

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Answer 7

The bronze bushings and wet bolts are a great option but they still do require maintenance especially under the conditions you referenced. There really isn't any new information in comparing it is basically the difference between…

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Answer 8

Trailer axles typically have the bow you mentioned in them to help compensate for the vertical load they bear and still have proper wheel camber. This way when the load is put on them the axle will flatten out and the wheels will be aligned…

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Answer 9

Installing brass bushings of the proper inner and outer diameter and length is possible. In my experience brass bushings do not last any longer than nylon bushings and they are much harder to find in the correct size. At this time we do not carry…

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Answer 10

You can use heavier-duty leaf springs like part #e44SR on your tandem axle boat trailer. The dimensions of the springs are the same so you will have no problem installing the new springs.The ride may be a bit stiffer with the new springs but they…

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Answer 11

Trailer leaf springs can grow longer after many years of use. A new springs that measures 25-1/4-inches long like #e57SR could easily measure 25-1/2-inches after years in service on a trailer. Springs can lengthen as much as 3/4 of an inch. If your…

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Answer 12

You certainly can go with a 2,500 lb rated axle leaf spring on a trailer that currently have 2,000 lb capacities. It would just give you a slightly stiffer suspension setup. You should note that doing this does not give you any additional weight…

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Will Upgrading Leaf Springs Increase Trailer Weight Capacity

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