What are the Dimensions of the Battery Box in Engager Trailer BreakAway Kit, # 20400

Question

Question:

What are the dimension of the battery box in the Hopkins 20400 Breakaway kit?

asked by: Jared B

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Expert Reply:

I spoke with my contact at Hopkins to get the dimensions of the battery box in Engager Trailer BreakAway Kit, # 20400. The box measures 8 inches long by 4 inches wide by 6-1/4 inches tall overall. I have included a link to the installation details for this kit for you to view.

expert reply by: Michael H

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Answer 1

The main battery box included in the Bright Way Push-to-Test Trailer Breakaway Kit #3802308 is 6-1/2 inches wide by 4-3/4 inches deep by 4-7/8 inches tall. The mounting hole centers are 5.9 inches apart. The wire leads on the breakaway switch are…

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Answer 2

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

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Answer 3

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 4

There really isn't a particular maximum trailer weight that is used to determine when brakes need to be added to both axles of a tandem axle setup. While I do still recommend checking your local laws, I am also not aware of any general laws that…

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Answer 5

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 6

The Dexter Electric Trailer Brake Kit #23-105-106 are a replacement set for the 023-358-00. This kit includes a right and left brake assembly that is manually adjustable. I recommend the Dexter Nev-R-Adjust Electric Trailer Brake Kit #23-458-459 as…

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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

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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Answer 9

On this page (typically below the product links) there is a helpful link section that will have the install instructions fo the Hopkins Breakaway kit part #20400 that you referenced. I also attached an install video that shows the kit installed as…

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Answer 10

Depending on how the trailer was made, there will be a few spots you can check to identify the axle. First, if the trailer was pre-made by a specific company, you may be able to find this information in either the paperwork or on a placard somewhere…

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Answer 11

Hello Brian, we do offer some parts that will work for your application and will be very similar to the BPH1206EPR kit that you mentioned. Like you said, the 12 x 2-1/2 drums are pretty uncommon, so I would have to recommend going instead with the…

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Answer 12

I spoke to Dexter and they said there is a bit of a process for installing the spindle nut properly. 1. You will need to thread on the inner nut, rotate the hub, then tighten the nut to 100 foot pounds. 2. Loosen the nut to remove the torque, making…

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