Is there a Brake Mounting Flange for a Square 3500 Pound Trailer Axle

Question

Question:

I currently have a 2 square 3500 lb axle with 1.5 square spindle with an idler hub. I would like to add a flange to add electric brakes. Is there a flange made for square axles?

asked by: Jim

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Expert Reply:

When square axles are made brake mounting flanges with round holes are still used. It may require some additional steel when welding but your best option is # 4-35. Keep in mind that welding on a brake mounting flange properly requires a special jig and someone with experience in welding them on to ensure they are perfectly straight and concentric. Otherwise it can lead to all sorts of brake, tire, and other issues.

expert reply by: Michael H

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Answer 1

Hey Kevin, Since you're planning on taking the trailer off road I recommend not going with an axle and instead building the trailer with the Timbren Axle-Less Trailer Suspension #ASR1THDS02. This is rated for 2,200lbs but uses a 3,500lb spindle…

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Answer 2

Sometimes the numbers wear off of the bearings in trailer hubs but what you can do instead is use the diameter of the spindle where the bearings ride to determine what would be correct replacement. Use this picture as a guide and let me know what you…

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Answer 3

I do have an option for you but all of our axles within the hub face range you to specified have a weight capacity under 3,500 lbs. The Trailer Axle with Idler Hubs part #e78GR for example has a hub face to hub face measurement of 72" and has a…

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Answer 4

We do sell individual spring seats like part #TRSS300 which is for a 3" round axle. If we can get you an axle with the correct hub face length, it may be possible to have the spring seats welded to the axle tube at 61". We do not offer any…

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Answer 5

I would be happy to go over the available options. Starting with changing the axle I recommend going with the Timbren Heavy-Duty Axle-Less Trailer Suspension 2,200 lbs #ASR1THDS01 which would give you 6" from the hub face to the trailer frame…

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Answer 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

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 8

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 9

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 10

Hi Paul, you’re definitely on the right track here, and I can help you narrow this down with confidence. With your tandem 3,500 lb Dexter axles and 33 inch spacing, both the Dexter EZ Flex part #K71-652-00 and the Lippert Road Armor part #LC53CK are…

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Answer 11

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 12

The #84 spindle is just a common way to identify the spindle dimensions typically used for 3,500 lb axles. So instead of listing out the parts, people can just say they have #84 spindles and it's easier to know what fits it. The CE Smith Trailer…

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Is there a Brake Mounting Flange for a Square 3500 Pound Trailer Axle

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