Best PSI for ST235/85R16 Load Range G Trailer Tire

Question

Question:

Hello. What is the best PSI to maintain tread wear with this combo on a fifth wheel at 16,400 lb?

asked by: Don B

0

Expert Reply:

Hi Don; good question and the best psi depends on the tire as opposed to the trailer weight. For the best performance that allows the tire to wear slower and more evenly you always want to inflate them to the maximum cold psi.

For example, for the Provider ST235/85R16 Radial Tire # TA76FR you will want to inflate them to 110 psi.

expert reply by: Kyle S

0

Donald

2/29/2024

thanks. great help.

Reply

Answer 1

The wheel #AM34659 works with 1/2-20 wheel studs. 1/2-20 wheel studs on a 14" aluminum wheel are to be torqued to to 75-85 ft lbs. I've attached a torque specification chart based on stud size, wheel size/type, and wheel material.

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Answer 2

I agree it is the right time to upgrade to a Lithium charger/converter as not all are Lithium compatible. I recommend using the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K which is a replacement for your…

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Answer 3

Brake systems are not dependent on the hub bolt pattern. So you can use the Electric Trailer Brake Kit #AKEBRK-7-SA for 12 inch hub/drums or #AKEBRK-35-SA for 10 inch hub/drums. Then use #10-1-1 wire sold by the foot for your brake magnet wiring.…

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Answer 4

The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.

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Answer 5

The correct replacement master cylinder kit we have for your Demco setup is the part #DM5918 which comes with the lock out replacement.

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Answer 6

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 7

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 8

You'd need a new panel like the Progressive Dynamics Mighty Mini part #PD4045KA which is the most similar to your Parallax 7345 except is Lithium battery compatible. There isn't a center section replacement available for what you have that…

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Answer 9

I spoke with my contact at Progressive Dynamics and they informed me that the Lithium Converter for WFCO RV Power Centers part #PD4655LIV does work as an upgrade for the Parallax 7355. It has the same housing as the Replacement Converter for…

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Answer 10

Having the extra amperage of the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K has no down side. You'd at worst just have more power available than you'd need.

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Answer 11

To replace your WFCO WF-8750P power center I recommend the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K. This 2-in-1 AC/DC distribution panel and converter charger keeps your power systems easily…

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Answer 12

The UFP H-1377 correlates to a Dexter #84 spindle, which is for a 3,500 pound axle. This will utilize an inner bearing #L68149 and an outer bearing #L44649. As this is being used on a boat trailer, I highly suggest going with the etrailer.com…

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Best PSI for ST235/85R16 Load Range G Trailer Tire

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