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Lug Nut Size for 7,000 lb Trailer with 5-Bolt Pattern Hub and Drum Assemblies  

Updated 02/21/2025 | Published 03/12/2020



Question:

7000 lbs and 5 bolt pattern is that a 1/2 lug nut?

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Expert Reply:

If you're trailer has an overall weight capacity of 7,000 lbs this likely means you have a tandem axle trailer and hub and drums with a 5 on 4-1/2" bolt pattern like part # AKHD-545-35-EZ-K. If this is the case then it is very likely that you have need 1/2" lug nuts like part # CE11051.

Should you have a older 7,000 lb axle with a 5 bolt pattern then you likely have something like the hub and drum assembly # 8-174-5UC3 which uses 9/16" bolts so you'd need a lug nut like part # 6-53 for a 60 degree cone or # STN569 for a 90 degree cone. This hub has a unique 5 bolt design so it would definitely stand out.

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Jon G
Randall K. profile picture

Randall K.

2/21/2025

When I provided serial number you mentioned that have 7000 pound axle well I only have one wheel per side (single axle 2 3/8 wide) has electronic brake and I’m trying the determine payloadcapacity A part coupler not exceed 5000 pounds is I guess a weigh station & subtract gvrwv If there any discrepancies on title it would be best to update DMV or DOL

Jon G. profile picture

Jon G.

2/21/2025

@RandallK You should have an identifying tag on or near the tongue of your trailer that has these specs. If you don't have one of those, then you'll need to speak with local law enforcement about what to do. Currently, since your coupler is the lowest rated component you can find, you need to avoid the trailer weighing over 5,000 lbs until you can get a better gauge on what the actual GVWR is.

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