Meaning of MTI Number On Dexter Hub and Drum Assembly

Question

Question:

What does the MTI number that is stamped on the Dexter 8-201 6 lug drum stand for? I have two 6 lug drums that are both stamped 8-201 but one drum is stamped 7MTI and the other 12MTI? what does MTI mean? They seem to have a different outer bearing but thats the only difference I think I can see?

asked by: Mike A

1

Helpful Expert Reply:

The MTI number on your 8-201 hubs is simply a casting number. It does not indicate any information about the hubs or have anything to do with the actual part number. I'm not surprised to hear you have different outer bearings between the two since there are variations of the 8-201. However, both should have the same inner diameter of 1.25" so it won't make a difference for fitment.

For example, the # 8-201-5UC3-EZ for 5,200 lb axles and # K08-201-9B for 6,000 lb axles are both 8-201 hubs as indicated on the hub face. However, one uses the # LM67048 outer bearing and the other the # 15123 outer bearing. The main difference between the two is the capacity.

The one thing I would check on the new hub you have there is the grease seal. The # GS-2250DL (2.25" ID) and # GS-2125DL (2.125" ID) will both fit those hubs so you need to make sure you have the correct size to match your spindle.

expert reply by: Robin H

1

Answer 1

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 2

Since you mentioned that you have 8k hybrid axles and 7k spindles, I recommend confirming your inner/outer bearings to ensure you are getting the correct hubs/drums and brakes with the correct weight capacity. With that being said, if you have 8k…

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Answer 3

I am not sure what you mean by MTI number?

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Answer 4

As long as the maximum load applied to the #MX59FR Maxion Vesper 16 x 6 wheel doesn't exceed its 4460 lb capacity, the wheel can handle the pressure of any tire that can be mounted on it, which I confirmed with the manufacturer.

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Answer 5

The Dexstar Silver Modular Trailer Wheel part #AM20760 has a one half inch positive offset. Meaning that the rim face is one half of an inch closer to the inside of the rim than it is to the outside of the rim. If it were a negative half inch offset…

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Answer 6

The four rims you referenced are all VERY similar. They are all the same size, bolt pattern, pilot diameter, and very similar finishes. The #AM20797 has a 3,750 lb capacity and has a bit of flake in the powdercoat. The #AM20794 has a 3,960 lb…

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Answer 7

The difference between the two rim designs you mentioned is just a visual difference. The mini mod wheels are a white rim that have small circles that run around the mounting flange of the rim whereas the other white style you referenced has…

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Answer 8

Looks like Maxion/Vesper wheels like the #TA56FR are made in Turkey whereas Dexstar trailer wheels are made in USA.

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Answer 9

The Progressive Dynamics RV Power Control Center with AC/DC Panel and Converter/Smart Charger #PD4560K18LS8 that you reference will work fine as a replacement for your American/Centurion CS6000 Converter. Since there isn't any direct replacements…

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Answer 10

It might be possible to change out the studs in your hub from 9/16 to 5/8 if they are drive-in studs and not the type that threads in. If they are drive in and the diameter of the knurl end is approximately 0.6875 inches then you can replace them. We…

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Answer 11

We do have an electric over hydraulic disc brake kit that will fit a trailer with two 7000 lb rated torsion axles. In addition to a hydraulic disc brake kit, you will also need a brake line kit, that is compatible with electric over hydraulic brakes.…

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Answer 12

If you replace the current brakes on your trailer with the same uni-servo drum brakes and no lockout actuator (like #T2351000), the brakes will deliver 20 percent braking when traveling in reverse. However, the more pressure you apply going backwards…

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Meaning of MTI Number On Dexter Hub and Drum Assembly

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