Material of HydraStar Disc Brake Kit & Do They Fit Dexter 7,000 lb Axles

Question

Question:

Are the rotors in the HSE7K-TR1kit Stainless Steel or some other material? Is the HSE7K-TR1kit a verified fit for DEX 7658660 7000# axles? 2019 Grand Design Momentum 398M Triple Axle Toy Hauler. Thank you

asked by: Paul J

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Expert Reply:

The hub as well as rotors are cast iron for the disc brake kit from HydraStar you asked about:

- HydraStar Disc Brake Kit w/ Actuator for Triple Axle Trailers - 13" Hub/Rotor - 8 on 6-1/2 - 7K # HSE7K-TR1

They are dacromet-coated as well to help ensure corrosion resistance. I can verify for you that the HydraStar Kit # HSE7K-TR1 does in fact fit Dexter 7,000 lb axles, as they have the correct bearings (25580 and 14125A) and grease seal (GS-2250DL) for that axle.

expert reply by: Kyle S

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Answer 1

In order to convert the electric drum brakes on a 2017 Grand Design Solitude 374TH to hydraulic disc I recommend using the HydraStar Disc Brake Kit w/ Actuator for Tandem Axle Trailers part #HSE7K-TR1. This kit comes with absolutely everything you…

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Answer 2

The HydraStar Disc Brake Kit w/ Actuator for Triple Axle Trailers part #HSE7K-TR1SO is an excellent option to add disc brakes to a triple axle trailer. The 14125A outer bearing tells me you have a 5,200 lb to 7,000 lb axle so the above kit should…

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Answer 3

No you should not have constant power on the brake output pin, the blue wire should only have power with the brake pedal depressed in the vehicle or the brake controller manual override is activated. If the blue wire has a constant 12V then it is an…

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Answer 4

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 5

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 6

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 7

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 8

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 9

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 10

The "KTC 7600" stamped on the brake pad doesn't look to be a part number, so I can't cross reference it, but we do know you have Kodiak ceramic brake pads. So to determine the correct brake pads, all you need to do is match up…

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Answer 11

The Lippert 2420801 hub is an 8k hub with an 8 lug bolt pattern so for a replacement you'd just need the part #8-285-10UC3-A.

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Answer 12

The torque for the Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility #8-174-5UC3 is not specified by the manufacturer. For 9/16 inch studs, the typical lug nut torque will be 120-140 ft lbs based on most…

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