What Should Hanger Spacing Be for Trailer Leaf Springs that Measure 25-1/8 inch

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Question:

I have hanger kit red s7. e66SR. Or pr722. 5 by 8 trailer I am building 25 one right c to c 2by 2 axle

asked by: Rod S

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Expert Reply:

If you have the leaf spring part # e66SR that you referenced which is 25-1/8 inches long the center to center dimension you'll need to use for the spring hangers would be 25 inches. This would be the same for the leaf spring part # e54SR you mentioned as well.

expert reply by: Jameson C

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Answer 1

25-1/4 inch leaf springs are a very common length. For a leaf spring that is rated for a 2,500 lb axle that is 25-1/4 inches long you would want the part #e66SR. If instead you meant 2,200 lbs per spring you would want the #e44SR instead.

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Answer 2

If the shackle straps are within a 1/2" of what you normally had, say the 2-5/8" #115052 to 3-1/8" #TRSL313, you should be okay to install them. Just make sure that all of your shackle straps match though. If you are using the longer…

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Answer 3

Hey Adam, 24-5/8" is a standard sizing for 2,000lb leaf springs so the 4-Leaf Slipper Spring w/ Radius End for 2,000-lb Trailer Axles - 24-5/8" Long #e69SR is what you need. It unfortunately doesn't look like we offer a slipper spring…

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Answer 4

The shackle straps included in the Lippert Tandem Axle Equa-Flex AP Kit - Wet Bolts - 3-1/8" Long Shackles #LC64FR you mentioned are 3-1/8" center to center and 4-3/8" overall length as shown in included diagram. Using the longer…

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Answer 5

We have leaf spring bolts that were made specifically with features for the leaf spring application like the part #126B2. This is the correct size has a knurled section right below the head of the bolt which helps with install and has a grease…

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Answer 6

Most likely the measurement is 25-1/8 inch as that is a common size. But in most cases we recommend measuring the spring with it off the trailer and typically there is a bit of stretch to old springs by around 1/2 inch or so. The spring you would…

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Answer 7

When replacing shackle straps they should be the same length as the ones that were previously on your tandem axle trailer (if possible); replacing them with longer straps will result in additional play in your trailer suspension which could lead to…

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Answer 8

Hey Greg, the real issue is probably that the one side of the trailer weighs more than the other and that's why it sits a little lower. I would see if you can move weight from one side to the other. I would not recommend running two different…

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Answer 9

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 10

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 11

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 12

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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What Should Hanger Spacing Be for Trailer Leaf Springs that Measure 25-1/8 inch

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