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Old 11-09-2015, 07:32 AM   #1
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Heavy Duty Hubs? Need info...

Hi, everyone.

Refurbishing a fairly heavy vehicle/equipment trailer of God-knows-what provenance, I find that the hubs are not what I expected. Instead of studs from the axle (where the wheel & lug nuts hold on the drum), there are lug bolts that thread into the drum. Instead of the removable grease cap, I have what appears to be a very large nut (pic attached)/

Anybody familiar with such a setup? Any disassembly advice?

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Old 11-09-2015, 10:41 AM   #2
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I don't know. But I suspect that large nut you see is actually a grease cap.

Use a large pipe wrench (Stilson wrench) and turn the "nut" counter-clockwise. If the nut just spins in the hub and doesn't screw out, then it's a pressed-in grease cap and not a threaded cap.

Grumpy ole man with over 50 years towing experience. Now my heaviest trailer is a 7,000-pound enclosed cargo trailer, RV is a 5,600 pound Skyline Nomad Joey 196S, and my tow vehicle is a 2012 F-150 3.5L EcoBoost SuperCrew.
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Old 11-09-2015, 12:56 PM   #3
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Those type drums were not uncommon years ago--lots of the smaller/medium RVs used them. Had them on mobile home axles a lot.
You ought to be able to find some lug bolts that will work, or change the drum/hub to conventional design.
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Old 11-09-2015, 03:18 PM   #4
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That is an older axle. Unscrew the 'nut' looking cap and you will see that it is the same as a newer axle with a nut and two bearings.
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Old 11-20-2015, 02:04 PM   #5
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Originally Posted by MnTom View Post
That is an older axle. Unscrew the 'nut' looking cap and you will see that it is the same as a newer axle with a nut and two bearings.
Guess I never closed this out. Yep, that big "nut" is a threaded grease cap, and under there is the familiar castellated nut and pair of bearings.

Brand new to trailers, and a little paranoid I guess. Thanks guys!
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