How Much Does a Trailer Axle Over-Under Kit Change the Height of a Trailer

Question

Question:

how high will this conversion raise the trailer?

asked by: Darrel

0

Expert Reply:

When install an over-under conversion on a trailer you will end up raising (or lowering if that is the goal), the trailer the thickness of the axle, the spring seat, and the thickness of the leaf spring used.

Since those factors can vary widely I don't have an exact number I can give you.

expert reply by: Jameson C

0

Answer 1

If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…

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Answer 2

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 3

By "mobile home type bolt pattern" I believe you are talking about a 5 spoke utility bolt pattern such as what is on the Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles #8-174-5UC3. To measure your axle from hub face to…

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Answer 4

The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…

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Answer 5

Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review of this seal for you to take a look at.

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Answer 6

Since Demco uses 3,500 drum brake assemblies part #DMSB24429M and #DMSB24428M what you'd need is similar 3,500 electric brake assemblies like the etrailer part #AKEBRK-35L-SA for the left hand side and #AKEBRK-35R-SA for the right hand side. To…

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Answer 7

The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.

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Answer 8

If your old axles have a 5 bolt brake flange the assemblies like Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs part #23-105 or Dexter Electric Trailer Brake Assembly - 12" - Right Hand - 6,000 lbs part #23-106 will…

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Answer 9

I agree it is the right time to upgrade to a Lithium charger/converter as not all are Lithium compatible. I recommend using the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K which is a replacement for your…

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Answer 10

The Tekonsha OEM Vehicle Wiring Harness #22121 that you referenced includes all the wiring and parts necessary to install a fully functional 7-Way connector and trailer brake controller. The included brake controller harness is compatible with and…

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Answer 11

In order to install a brake controller on a dump truck you'd first need to start with a 4-way trailer connector and then adapt this to a 7-way so you can hook up a brake controller. I won't have much info for anyone particular dump truck but…

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Answer 12

Normal operating temperatures for drum brakes range from 150-400 degrees F. During certain stopping conditions the brake heat can exceed 600 degrees. The effectiveness and stopping power of the brakes is significantly reduced at these higher…

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How Much Does a Trailer Axle Over-Under Kit Change the Height of a Trailer

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