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Universal Group Trailer Suspension - Leaf Spring Suspension - SP-051275 Review

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Review of Universal Group Trailer Suspension SP-051275


Today we're going to take a look at the four leaf doublized spring for 4,000 pound trailer axle. This is made of a strong, durable steel construction. It is designed to flex to absorb road shock and provide a nice smooth ride which will help reduce wear and tear on your trailer. It ensures a nice level ride on bumpy and uneven surfaces, and it does mount to your trailer frame with hangers or a hanger kit which we do also sell on our website. Lots of times they are listed on the product page as a related product. If you notice in the eyes themselves that those include the nylon bushing.

A few specs on this: the spring capacity of this one spring is 2,000 pounds. When this is matched with another one on the other side of the axle, it will match the axle capacity of 4,000 pounds. Again, this is a four leaf. You can see one, two, three, four. Now, there are a couple of measurements I want to give you, the spring length and the width. We'll take a tape measure.

The spring length is measured from the center of this side to the center of this side. If we go center to center, you can see 26 inches for the spring length. Now, the spring width should be measured from this end to this end. You put the tape measure on it, one and three quarter inches. Now, the eye diameter on the eyes is nine sixteenths of an inch.

This part is for a quantity of one spring. One last note I do want to mention is when you do replace this leaf spring to ensure proper axle alignment and suspension performance, you do want to make sure that these leaf springs are replaced in pairs. That should do it for the review on the four leaf doublized spring for 4,000 pound trailer axle.


Info for this part was:

Employee Jeff D
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Jeff D
Employee Kevin C
Installed by:
Kevin C
Employee Jacob T
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Jacob T
Employee Thomas T
Video by:
Thomas T

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