Safe Distance Between Tire and Floor of Trailer when Upgrading to 15 Inch Tires

Question

Question:

What is the safe distance between a tire and the floor of the trailer.

asked by: RICHARD

0

Expert Reply:

The rule of thumb when building a trailer is that you should allow 1.5 inches deflection at rated capacity of the spring for approximate full load dimension ( the spring can flatten out as much as 1-1/2 inches ). Then add 3 inches above tires beyond that point for maximum clearance.

expert reply by: Robert G

0

Answer 1

I do not recommend using a leaf spring spacer (lift block) on your trailer. The reason for this is because they can cause the trailer to become extremely bouncy and rough which is just going to put more stress on your suspension and wear out the…

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Answer 2

Torque specs for wheel lug nuts will vary depending on the diameter of the lugs, type of lug nut and the wheel's material. The linked chart details the recommended torque for many combinations. Dexter Hub/Drum #84546UC3 has 1/2-inch studs and…

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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

Because your set up will only be as strong as its lowest-rated component. You could go with higher rated leaf springs and larger, higher rated wheels/tires, but you'd still be limited by the axle capacity. Therefore, to increase the capacity of…

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Answer 5

A load range D tire in the 205/75-15 size is not available. You would have to go up in size in order to get a load range D tire. Your existing tires have a width of 7.7 to 8.1 inches and a diameter of 27.4 inches. They fit on 15 by 5-1/2 inch wheels.…

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Answer 6

I would love to help you upgrade the suspension on your Twilight 2800 travel trailer. The MORryde Rubber Equalizers for Tandem Axle Trailers #MR87ZR that you referenced are a great solution but we do need to double check a few things. First is that…

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Answer 7

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 8

You will need the Red LED Trailer Clearance or Side Marker Light #328-K-52 or Amber LED Trailer Clearance or Side Marker Light #328-K-51 for your 2018 Forest River Sunseeker motorhome. These lenses have the same Top Command SAE-AP2-16 markings on the…

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Answer 9

The old version of the #HBA-CAM used 4 wires, but the product was updated awhile back and now uses only two wires as shown in the photo on the product description page. The white wire from the HBA-CAM would tap into the white ground wire and the blue…

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Answer 10

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 11

The two sizes you mentioned are pretty similar and fit many of the same 15 inch wheels. The 205/75-15 fits rim widths of 5 inch to 6-1/2 inch whereas the 225/75-15 fits widths that are 5 inch to 6 inch. The 205 is 27.1 inches tall and the 225 is 28.4…

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Answer 12

To see all of the correct wheel and tire combos you'd need check out the link I attached. The option I would recommend is the part #TA43RR which is a Load Range C tire size ST175/80R13 mounted on a white spoke wheel with a bolt pattern of 5 on…

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