Can 4,000 lb Leaf Springs Be Used with 3,500 lb Trailer Axle

Question

Question:

I see that Dexter 4000 lb 2-eye springs will fit a Dexter 3500 lb idler axle. Will this help with hauling cargo at the 1700 load capcity? I just want to know I am being prudent and safe. I am hauling two HD motorcycles and have about 1600 weight. I DONT WANT BRAKES! THANKS!

asked by: Andy L

1

Helpful Expert Reply:

Dexter 4,000 lb axle leaf springs like the part # e48SR for 26 inches long or part # e57SR for 25-1/4 inch would work great with a 3,500 lb axle. There would be no issue with 1,700 lbs of weight either.

expert reply by: Jameson C

1

Answer 1

As long as the weight capacity is inline with your trailer/axle rating and the measurements match your current springs, the number of leaves in a spring pack does not matter. The difference between a 3 and 4 leaf spring pack within the same weight…

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Answer 2

We recommend that all trailer tires be inflated to the max psi stated on the sidewall of the tire. If the tire is under inflated, the weight capacity is lowered to an unknown amount for that tire. Although running lower air pressures can improve the…

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Answer 3

To prevent the sway you are feeling in your 2019 Chevrolet 3500 Express Van I recommend adding the Roadmaster Rear Anti-Sway Bar #RM-1109-173 as it will really tighten up the feel of your van while on the road. The SumoSprings do help some with sway…

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Answer 4

Hello James, thanks for reaching out. I am sorry to tell you that we do not offer a direct replacement for the Dexter 072-099-01 leaf spring. The closest thing we have is the Dexter 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles #DX23CR which is…

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Answer 5

Definitely looks like the springs are being overloaded and need to be replaced. You can use higher rated leaf springs but, the higher you go the stiffer the ride will be. Since we know the weight class with your axles the next step would be to…

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Answer 6

One of the biggest differences between the 6-leaf 5,000 lb trailer axle leaf spring part #UG34FR and the 4-leaf part #e44SR is the length. The 6-leaf setup is 30 inches long and the 4-leaf setup is 25-1/4 inches long. In general though the number of…

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Answer 7

Hey Jaime, yes you can replace your 25-1/4 inch 3,500 lb axle leaf springs with a 5k rated axle spring like the part #e44SR. This will increase the suspension's weight capacity and might make the ride quality a little rougher but it would fit and…

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Answer 8

As long as the axle the won't exceed 5,000 lbs the trailer leaf spring #e44SR would work great since it has a 5k capacity. If you need the full capacity of your axles you'd have to move up to a 6k spring with the part #e34SR instead. This…

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Answer 9

Thanks for the picture and all of the information! Those dimensions do not match up to a leaf spring we currently have but I do have a close option which I think will work. When leaf springs are measured for replacement we ask people to jack the…

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Answer 10

The 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles - 26" Long #e27SR will be the closest fit for your 3750 lb axle. Having leaf springs rated slightly higher is normal because you will be limited in capacity by the weakest component on your…

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Answer 11

Hi Todd, To go with trailer leaf springs that are slightly stiffer than the 4,400 lb rating of your axle you can go with 4,500 lb springs or 5,000 lb springs. The right one is going to depend on the length of your current springs though, as…

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Answer 12

The best way to measure a trailer spring for purposes of selecting a replacement is to remove it completely from the suspension. It is also important to note that leaf springs will tend to elongate over time as they wear. You might pull a well-worn…

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Can 4,000 lb Leaf Springs Be Used with 3,500 lb Trailer Axle

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