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Deciding On Black Wheels and Tires For Tandem Axle Car Hauler 16" Wheel 8 on 6-1/2  

Published 10/15/2025

Question:

I have a tandem-axle car hauler with 8-lug hubs. How do I decide between the MXS69FR and MXS79FR?

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Expert Reply:

Good question, Chris. Both fit your 8-on-6-1/2 pattern, but it depends on your axles. If they’re 6K-rated, the # MXS69FR Load Range E, 3,420 lbs @ 80 psi is right. If you’re running 7K axles, step up to the # MXS79FR Load Range G, 4,080 lbs @ 110 psi for a bit more cushion under heavy loads.

Do you happen to know your axle rating from the tag? That’ll lock in the right pick.

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Andrew N

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