Should Hole be Drilled in Axle for Leaf Spring with Center Bolt to Fit Properly

Question

Question:

How should I mount my axle on leaf springs when there is a bolt head right in the center of the springs? Should I drill a holes in the axle so it rests on the springs or balance it on top of the bolt?

asked by: Greg

0

Expert Reply:

Great question!

When installing leaf springs that have a stack with a bolt in the middle, like the 3,500 lbs Axle # e54SR, you will actually be installing them using a Spring Seat # TRSS238 which welds on to your trailer axle and gives you the support needed as well as a hole in the middle where that center bolt goes through.

expert reply by: Jon G

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Answer 1

Hey Roy, The only U-bolt kit we currently only offer for 1-1/2" square axles is part #CE23102, which only has a 3-3/8" length so it likely wouldn't be the best option for you. Instead you'll want to order the 1-1/2" Square…

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Answer 2

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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Answer 3

Leaf springs typically have the part #stamped on the strap that holds the leafs together at one end of the shorter leafs, or it is painted on the concave side of the springs. The part number can then be used to determine the capacity of the springs.…

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Answer 4

I definitely recommend replacing your 3,500 lb 26 inch leaf springs with the 26 inch 4-Leaf Double-Eye Spring for 4,000-lb Trailer Axles #e22YR. The 4,500 lb would be too stiff and your ride would suffer so the better option by far are the 4k…

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Answer 5

If you are wanting to go to higher capacity leaf springs I would advise against it. The problem is that since the trailer axle is rated for 3,500 pounds you won't gain any additional capacity by switching to higher capacity springs. What it will…

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Answer 6

The bearing part #L44649 has an inner diameter of 1.063 and is typically used in 3,500 lb axle hubs and the #L44643 has an inner diameter of 1 inch and is typically used on 2,000 lb axle hubs. If you can get me more info on your trailer like axle…

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Answer 7

There is no specific torque rating for shackle bolts. Basically for the middle bolt there should be enough free play in the shackles to allow them to move. Tightening the shackle bolts too much will squeeze the shackle straps against the leaf springs…

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Answer 8

The plug on a 2013 Ford F-150 to plug in a brake controller wiring harness is hidden pretty well. You actually have to temporarily remove a panel from the center console to access it. Wiring harness #22292 is the correct wiring harness for you truck.…

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Answer 9

Moving a trailer axle from being overslung to underslung really isn't a big ordeal. It's basically just welding on a new spring seat on the other side of the axle and then using the hardware upside down. We sell kits for this. The diameter of…

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Answer 10

Square axles normally don't have spring seats like a round axle but do have a hole for the leaf spring bolt to fit into. Take a look at the CE SMITH #CE33201GA-HUB for a visual. The U-bolt mounting kits will have a hole in the center for the…

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Answer 11

The 1-1/2" Square Trailer U-Bolts #SP01-120 is not galvanized and we don't have any in this size that are.

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Answer 12

An oil seal like Redline part #9103309 installs in the back side of the hub (the side nearest the trailer's frame) with the sides or "legs" of the seal inserted into the hub's bore. This means that the flat metal surface of the seal…

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Should Hole be Drilled in Axle for Leaf Spring with Center Bolt to Fit Properly

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