Determining Axle Location on 18 Foot Trailer with 7,000 Pound Axles

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Question:

what is the location of the center of the axles on an 18foot trailer from the coupler? axles are 7,000 each

asked by: Carl C

0

Expert Reply:

It sounds like you are needing to determine the correct positioning of the axles on your 18 foot trailer. When determining an axle's position, the key is to make sure that they are located in a position so that roughly 10 to 15 percent of the total trailer weight is placed on the tongue. Doing this can take some trail and error, so you will want to mock up the locations for your suspension comonents until you know everything is correct.

I have attached a great article that details this very process that you might find helpful. For tandem axle trailers, you will want to measure from the trailer tongue to the center point between the axles.

expert reply by: Chris R

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Answer 1

The Fogatti InstaShower 8 Plus RV Tankless Water Heater #FG97FR does not include the door, it is just the tankless heater unit. If you are also looking for a door, I have them listed below as there are a few sizes offered. I also included the “kit”…

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Answer 2

The highest capacity Timbren Axle Less system is the 7k part #TASR7KS01 which can be used on a tandem axle trailer. For brake drums you'd then want the part #42866UC3-EZ which fits the spindles of the Timbren. Then for a 14k surge brake…

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Answer 3

Most trailer wheels have a zero offset. This is because a zero offset allows the wheel to handle the maximum load by distributing the the load equally to both sides of the wheel. To determine if your trailer wheels have an offset, you will want to…

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Answer 4

Hello Ben; yes, the SuperSprings SuperSway Stops #SS65GR will work just fine with the air suspension on your 2022 Ford F350 dually. As long as your truck has factory top overload springs it will work great. The air suspension will not obstruct them…

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Answer 5

To determine exactly which hubs you need you'll need to find your bearing numbers. Most likely you have #25580 and #14125A but verify to be sure. If these are correct you'll next want to find the diameter of your wheel studs and if…

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Answer 6

I recommend going with the Timbren Silent Ride system because it's an improved suspension system that uses the Timbren jounce style springs that have been proven to be some of the toughest springs on the market. There are 2 options you need…

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Answer 7

It is highly recommended that the spring seat be at minimum tack welded to the axle. There have been issues that have resulted from the seat not be welded to the axle. If you do not have access to a welder, I recommend taking the trailer to a local…

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Answer 8

If you are changing from a 15 inch to a 16 inch tire and wheel you will add more height to the trailer. With the size tire you currently have on your trailer the diameter is approximately 28.87 inches tall. To go with a tire like part #AM35010 which…

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Determining Axle Location on 18 Foot Trailer with 7,000 Pound Axles

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