Why Do Trailer Center Suspension Hangers Sometimes Hang at Different Heights

Question

Question:

My double axle trailer with eye springs and equalizers has a tall hanger in center position. Can all 3 be the same height? Only 1 needs to be replaced. Since Im going to be this far into repairs I was thinking the higher end hangers would give me a little more clearance for the axels. Will it change the 25inch distance to much? Will it increase the axel clearance? Will side to side flex or bend with the longer hangers on the ends? Thanks

asked by: Al S

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Expert Reply:

Ideally you want the leaf spring to sit as level as possible on your trailer. Since the equalizer used on the trailer can vary in height sometimes the center hanger will set level with the others or it can hang lower depending on the equalizer used.

Going with taller hangers in general will lift the trailer and would give you more axle clearance. The hangers should not end up flexing.

I attached a link to a page that has a chart at the top that has all of the hangers we carry with their heights listed.

expert reply by: Jameson C

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Answer 1

The center hangers in the Tandem-Axle Trailer Hanger Kit #APT8 that you recently purchased are indeed longer. This is actually pretty common for tandem axle trailers. The reason for the extra length on the middle hanger is related to the shackle…

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Answer 2

Ideally you want the hanger spacing to be the same on a dual axle trailer like what you are building but a slight difference may not cause any issues. The shorter spacing that you have between the equalizer and one of the outside hangers essentially…

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Answer 3

The reality is that not every manufacturer makes their suspension kits to the same standard sizes. Some use taller hangers with wider equalizers and some might use a taller equalizer with a shorter center hanger. It really just comes down to the…

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Answer 4

Hello Torrey, thanks for reaching out. Generally with a 2,000 lb axle setup you would want each hanger to be the same height. Using a taller hanger will increase the deck height, and shorter hangers will bring it lower. So if you want a lower ride,…

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Answer 5

Yes, the equalizers included in the Tandem-Axle Trailer Hanger Kit #AP233-H248 measure 2 inches tall (from eye hole to eye hole on center). I have attached a diagram to assist.

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Answer 6

It sounds like you installed leaf springs that weren't the correct length for your setup. Looking at your equalizer it looks like your springs are too long. The simplest solution would be to have your front and rear suspension hangers removed and…

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Answer 7

Hey Christopher, a 16 foot trailer like you have is almost guaranteed to not be over 80 inches in width which the Optronics Trailer Wiring Lighting Kit part #TL5RK would work great for. This comes with everything you'd need for your trailer to be…

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Answer 8

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 9

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 10

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 11

You can use leaf springs that are rated higher than the axle without any issues as long as they measure the correct measurement for your trailer. For example the 6-leaf double eye spring for 7,000 lb axles part #e64SR measures 24-7/8" eye to…

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Answer 12

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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Why Do Trailer Center Suspension Hangers Sometimes Hang at Different Heights

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