How Much of a Spindle Shaft Needs to Be Inside the Axle Beam

Question

Question:

I am building a trailer, and ordered the Square axle Tube a little short. What is the minimum depth the spindle stub has to be ed in the axle before welding it?

asked by: Sheldon H

0

Expert Reply:

The more of the spindle shaft you can get in an axle beam the better. There isn't really a minimum distance that I could determine for a stub such as # TRU97FR but you have to consider several factors like the weight capacity of the axle and where the wheels will be relative to the trailer frame for the spindle position.

Basically, I recommend having the whole spindle shaft in the axle beam because that is how pre-fabricated axles come such as # T3584F-EZ-8974 for example.

expert reply by: Michael H

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Answer 1

The thing about mobile home axles is that they are usually designed for one time use and the spindles have non-standard dimensions so we don't have hubs that would fit them. The best option I could make would be to replace the axles with new…

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Answer 2

The axles we offer have the spring seats already installed and they are placed at one of 3 lengths, 48 inches, 58 inches and 74 inches apart. You would have to install new spring seats if you need the distance to be 53 inches. I have attached a…

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Answer 3

Replacement of a spindle on a trailer axle is best left to a professional installer. This is not a do-it-yourself type of project. We urge you to use a professional welder experienced in axle fabrication. Proper alignment and welding are critical…

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Answer 4

It is unlikely that worn bushing would cause poor tracking or sway unless something else was also worn. Look for any egg-shaped holes in the hangers, spring, equalizers and any other suspension component. This would be an indication of excessive wear…

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Answer 5

Trailer spindles should only be installed by a qualified fabricator with trailer axle experience who has the necessary equipment to square up a trailer spindle. It's not a project for someone who's pretty good at welding since if the spindle…

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Answer 6

It is normal for a round axle to have somewhat of a bow pointing up in the center such as the Dexter Trailer Axle Beam with EZ-Lube Spindles part #T3584F-EZ-8974 so that it can flatten out under a load. However if you trailer axle is bent somewhere…

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Answer 7

Some trailers are equipped with EZ Lube spindles, which have a grease fitting or zerk in the end of the spindle, and a small hole in the spindle that lets grease enter the interior of the hub and reach the bearings. This allows grease to be added to…

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Answer 8

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 9

Since you have a wheelbase/axle spacing of 38 inches the correct hanger kit for slipper springs would be the part #HAP-105-205-01. And then for a 7k trailer axle the u-bolt kit you'd want would be the part #APUBR-8. I attached the diagram to use…

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Answer 10

To see all of the correct wheel and tire combos you'd need check out the link I attached. The option I would recommend is the part #TA43RR which is a Load Range C tire size ST175/80R13 mounted on a white spoke wheel with a bolt pattern of 5 on…

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Answer 11

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 12

If the trailer wheels scrubbed (dragged and scrapped the ground instead of rolling) when jack knifed then it could have thrown something out of alignment or damaged something. First, inspect the suspension. Look for any elongated holes where…

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How Much of a Spindle Shaft Needs to Be Inside the Axle Beam

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