Can You Upgrade from Load Range C to Load Range D 205/75-14 Tires On a Trailer

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Question:

Hello, Is it acceptable to use Load Range D tires on a trailer that calls for Load Range C tires? Is it acceptable to mix Load Range C and D tires on the same trailer? That would be Load C on one axle and Load D on the other. The trailer is a 7000 lb GVW travel trailer that came from the factory with ST205/75R-14, Load Range C tires. Please advise, Thank you, Paul

asked by: Paul

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Expert Reply:

It's not acceptable to mix the load range of trailer tires on a trailer. It's also not really advised to upgrade the load range rating either as this will force you to increase pressure which will result in a rougher ride. The thing most people don't understand is that the total weight capacity of the trailer tires won't equal the GVWR of the trailer because there is still going to be 10-15% of the weight from the trailer carried on the vehicle via the tongue. For a quality 205/75-14 trailer tire option, I recommend the Provider ST205/75R14 Radial Trailer Tire part # TR20514 which has a 81 mpg speed rating. It has a 1,760 lb per tire weight capacity.

expert reply by: Conner L

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Answer 1

The best option we have for your trailer would be the Taskmaster part #TR20514 which is a ST205/75R14 like what you have in a Load Range C. Going with a higher capacity tire when not needed really won't gain you anything, but this tire has…

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Answer 2

We sell some wheel and tire combos that are pre-mounted that we receive from our manufacturers that way and we also have wheels and tires sold individually. Since we don't have a way to mount tires here you'd have to mount them…

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Answer 3

You'll want to keep your 205/75-14 Load Range C tires fully inflated to the 50 psi pressure rating listed on the sidewall. The tires will only have the stated capacity when fully inflated. If they are not fully inflated, the tire's…

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Answer 4

On any trailer tire such as the Taksmaster #TR20514 you always want to inflate the tire to the maximum cold psi. For example, on this tire it is 50 psi, which is the same as your tire. Doing this will give you the best performance, allowing the…

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Answer 5

Great questions! The C is the load range so it's an indication of how much weight the tires can handle. Basically as long as the tires are rated for the same or more weight than your axle you'll be good to go. The D does stand for…

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Answer 6

It actually matters greatly! Chrome is not all that corrosion resistant. Stainless steel on the other hand is light years ahead of chrome as far as corrosion resistance. Since you are at the Gulf Coast and salt water stainless steel is the way to go.…

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Answer 7

I recommend taking a look at the Taskmaster ST205/75R14 Radial Trailer Tire #TR20514. This is a great radial tire with a maximum load of 1,760 pounds at 50 psi. It has an excellent maximum speed of 81 mph and a 6 ply rating and also includes a 2-year…

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Answer 8

Increasing the load capacity from load range C to D will not necessarily prevent blow outs. Blow outs can result from any number of factors including under inflation and how long the trailer has sat, flattening the tires. 65 psi is standard and your…

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Answer 9

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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Answer 10

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 11

If you are needing the hub and drum assembly then you will want to go with the Dexter Trailer Hub and Drum Assembly #8-201-5UC3-EZ but if you are just looking for an idler hub then you will want part #8-213-5UC1 instead. These come with the correct…

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Answer 12

Since you have a wheelbase/axle spacing of 38 inches the correct hanger kit for slipper springs would be the part #HAP-105-205-01. And then for a 7k trailer axle the u-bolt kit you'd want would be the part #APUBR-8. I attached the diagram to use…

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Can You Upgrade from Load Range C to Load Range D 205/75-14 Tires On a Trailer

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