Recommended Dust Cap for a 7,000 lbs Axle

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Question:

I have a 2021 Dutchman RV voltage 3915 with 7,000 lb axles with ultra lube. You know what size bearing dust covers I will need going to repack bearings

asked by: Ronald L

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Expert Reply:

I sure do! 7,000 lbs trailer axles use a grease/dust cap with a 2.72" inner diameter, which means you would need item # K7CAP to access the zerk fittings on the spindle.

To replace bearings on 7,000 lbs axles you'll need the Bearing Kit, 14125A/25580 Bearings, GS-2125DL Seal item # BK3-210. These are sold individually you'll need one per hub.

expert reply by: Jerred H

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Answer 1

Appreciate that info, and we do have the exact bearing kit you need for your Curt/Lippert 7,000 lb trailer axle. The correct kit is the following part number: - Bearing Kit #BK3-200

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Answer 2

Hey Ryan, sorry to hear about the issues you're having! The Tekonsha Prodigy P3 Trailer Brake Controller w/ Custom Harness #TK52HR is the most reliable controller both in general and when it comes to electric-over-hydraulic actuators. You may…

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Answer 3

If you're speaking of the OEM brake controller, then the ITBC on the 2021 GMC Sierra is compatible with electric over hydraulic braking systems such as the Dexter brake actuator used on your Keystone Montana Legacy. If your truck has the OEM…

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Answer 4

There isn't anything like an autonomous controller that would step up if the factory controller fails. I'd simply bypass the existing factory brake controller. The GM ITBC, although it works better now than the earlier models has been…

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Answer 5

I have to go off the GM dealership recommendation. If they are saying you need the Hydrastar #HBA-CAM or Dexter #DX35FR adapter module for your factory brake controller to work with your electric over hydraulic brake actuator, then I can't really…

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Answer 6

Electric over hydraulic brake systems are basically the nicest setup around. You get the power of hydraulic brakes and the adjustability of electric. The only real cons are it will cost you more money to go this route as you will need an actuator as…

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Answer 7

Hello Dorsey. If you are looking to still use your OEM brake controller on your 2017 GMC Sierra 3500 you could always add the Adapter Module for BrakeRite Electric Over Hydraulic Actuator - OE Ford, GM Brake Controllers #DX35FR, this should fix the…

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Answer 8

This is exact same adapter as the Dexter part number you mentioned with the part #DX35FR. Now with that said your 2022 Ford F-250 shouldn't need this adapter so that makes me think you just need to put your brake controller into hydraulic mode.

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Answer 9

Hello Richard; the Aluminum Lynx Trailer Wheel #LI44FR will fit your gooseneck trailer as long as you have hubs with an 8 on 6-1/2 bolt pattern. These have a max capacity of 6,050 lbs so with two wheels on a single axle they can handle 12,100 lbs.…

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Answer 10

Heavy duty ramp springs #RS16933RH and #RS16933LH install on the hinge of the ramp. I have included a picture of what this looks like for you. Not all trailers are exactly the same but this should give you a general idea of how the springs install.

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Answer 11

Hey Russel, you are going to need to replace your hub/drums since the 17.5 inch wheel and tire combos like the part #TA69VR require the 5/8 inch wheel studs and you currently have 1/2 inch. So what you need is the part #8-285-10UC3-A that fits your…

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Answer 12

In order to use 17.5" diameter trailer wheels you'll need to upgrade to 9/16" lug studs. There are no other options as all wheels this size use this size or larger since they are designed for more weight. In order to do this you'll…

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Recommended Dust Cap for a 7,000 lbs Axle

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