Which Hubs Fit the # TRU37FR Spindle

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Question:

Which hubs fit this spindle?

asked by: John J

0

Expert Reply:

If you need a 6 lug on 5.5 inch bolt pattern then you will need the following hubs.

8-213-5UC1-EZ 6 on 5.5 Idler Hub Bearings 25880 inner and 15123 outer
8-201-9UC3-EZ 6 on 5.5 Hub and Drum Bearings 25880 inner and 15123 outer

If you need a 8 lug on 6.5 inch bolt pattern then you will need the following hubs.

8-231-9UC1-EZ 8 on 6.5 Idler Hub Bearings 25880 inner and 14125A outer
8-219-4UC3-EZ 8 on 6.5 Hub and Drum Bearings 25880 inner and 14125A outer

Keep in mind that when using these spindles you are limited to 2,600 lbs each or 5,200 lbs per axle.

expert reply by: Robert G

0

Answer 1

The spindles you have on your boat trailer are not standard which means we do not have a trailer hub with the correct bearings and seals you need. The best option for you would be to just replace the bearings with part #L44649 and seals with part…

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Answer 2

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 3

You should have a spindle washer between the outer bearing and the spindle nut. There are different washers depending on exactly what spindle you have. Washer For 1" Spindle #SW1000 D Washer for EZ Lube Spindles #5-23 Washer Spindle Tongue…

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Answer 4

Yes, there should be a washer of some type between the spindle nut and the bearing on your trailer. The washer protects the back side of the bearing from the edges and points on the back side of the spindle nut. There are several types of spindle…

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Answer 5

You are describing a spindle like #TRU37FR but it uses a tang washer, not a cotter pin because of the grease fitting. The problem is that aftermarket spindles are under rated compared to the OEM counterparts. This is actually not a bad thing because…

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Answer 6

The short answer to both of your questions is yes. You can remove the backing plate or brake assembly and use the existing hub with integrated drum by itself, or, you can simply replace it with an idler hub. Based on the photos, I would suggest…

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Answer 7

If you take a look at the provided photo, you can see the important dimensions of the #TRU37FR spindle.

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Answer 8

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 9

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 10

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

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Answer 11

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you, but…

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Answer 12

Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review of this seal for you to take a look at.

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Which Hubs Fit the # TRU37FR Spindle

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