Replacement Leaf Springs, Equalizers, and U-bolts for ALKO T52 Axles

Question

Question:

I have a 2003 keystone springdale travel trailer 30ft. wheels are 6 lug 225/75/16. tandem axle. leaf springs are 4 leaf and 26 inches center of bolt hole to bolt hole. axle tag says model t 52, 4400lb, al-ko kober looking for leaf springs, equalizers, all hardware and u bolts. please advise on part numbers

asked by: Edward A

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Expert Reply:

Those may not be the original springs on your Springdale. According to ALKO the T52 axle would either have a 5 or 6 leaf spring at a length of 26 inches. To be accurate the springs should be measured with no weight on them because they will otherwise flatten out some leading to a longer measurement. ALKO shows the 4-leaf spring for the T52 at a length of 25-1/4 inches.

If you measure it at about 25-1/4 inches with no weight on the spring then you can use # e28SR for 5K axles. If it is 26 inches then # e27SR would be a better option since it is rated for 4,500 pound axles.

It looks like the correct equalizer is # TREQ310. For bolts you can use # 126B2. And for u-bolts it looks like the axle diameter of the T52 is 3 inches so you can use kit # APUBR-9.

expert reply by: Michael H

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Answer 1

Your AL-KO T-52 axle has #42 spindles that use hub assemblies with a #25580 inner bearing and #15123 outer bearing. The grease seal most often associated with this bearing set is part #GS-2250DL for 1 seal or #RG06-070 for a pair.

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Answer 2

We replaced the Universal Group 26" Leaf Spring SP-256275 with our part #e27SR so that would be the alternative. Attached is a review video for you to check out.

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Answer 3

To determine the correct slipper springs for your tandem axle trailer, the axle capacity will need to be determined. Selecting a spring by length alone could cause the selection to be under or over capacity substantially. If your spring is shaped…

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Answer 4

Based on my research, your AL-KO T-52 Axle has #42 spindles that use hub assemblies with a #25580 inner bearing and #15123 outer bearing. You will just want to determine the bolt pattern you are needing as well as the axle capacity, as this can vary…

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Answer 5

The best matching leaf springs we offer for a 4,400 lb axle is going to be the #e27SR which is for 4,500 lb axles and has the very common spring length of 26 inches.

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Answer 6

I'd be happy to help, but you're going to need to measure the current equalizers on your 2021 Keystone Hideout 29DFSWE to confirm that the MORryde #MR87ZR are going to fit. The #MR87ZR measure 6-1/2" center to center of the horizontal…

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Answer 7

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 8

We offer some Dexter axles that might be a good replacement. You'll need to measure the hub face to hub face and spring seat to spring seat dimension of your current axle to see if what we offer is compatible. I've provided a diagram showing…

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Answer 9

The 6-Leaf Double-Eye Spring for 4,500-lb Trailer Axles part #e27SR will be a nice upgrade option for a 3,500 lb axle. They are rated at 4,500 lbs for the set which is enough to provide additional support but should not be too stiff. They are…

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Answer 10

I did some research and it looks like the spring you need is 26 inches long and for a 4,400 lb trailer axle like you mentioned. We have a really easy solution for that with the part #e27SR which is 26 inches long and for a 4,500 lb trailer axle so it…

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Answer 11

I would be happy to help you determine the correct replacement leaf springs for your 2016 Grand Design Reflection 29RS with tandem Lippert 4400lb axles, but unfortunately the axle tags like the one shown in your picture do not have leaf spring…

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Answer 12

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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