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Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range C

Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range C

Item # AM3S140
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Shipping Weight: 29 lbs
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Kenda Trailer Tires and Wheels - AM3S140
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Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish. Lowest Prices for the best trailer tires and wheels from Kenda. Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range C part number AM3S140 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (5130)
  • Q & A (10)
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Kenda Trailer Tires and Wheels - AM3S140

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range C
  • Steel Wheels - Powder Coat
  • Bias Ply Tire
  • Kenda
  • Standard Rust Resistance

Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


  • Loadstar special trailer tire outshines other bias tires
    • Flatter tread offers improved stability for excellent handling
    • Special trailer tire design
      • Couples the strength of a bias tire with the durability and stability of a radial tire
      • Created specifically for trailers and not intended for use on other vehicles
    • Advanced rubber compound
      • Longer tread wear
      • Low rolling resistance for smooth ride
  • Steel wheel has 8-spoke design
    • Resists rust with e-coat and white powder coat finishes
  • Tire-and-wheel assembly meets Department of Transportation specifications


  • Rim dimensions: 13" diameter x 4-1/2" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel capacity: 1,660 lbs
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 3.19"
  • Tire size: ST175/80D13
    • Section width: 6.6"
    • Outer diameter: 24"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 1,360 lbs at 50 psi
  • Maximum speed: 81 mph (speed rating M)
  • Warranty:
    • 5-Year on tire
    • Limited 1-year on wheel

1-Year Worry-Free Guarantee

This tire has a 1-year worry-free guarantee. If within the first 12 months the tire is damaged in any way, it will be replaced at no charge.

Bias Tires vs. Radial Tires

Bias vs. radial tire graphic

Bias ply tires are designed for off-road or agricultural applications. They are built with thick, durable nylon cords that are positioned at a 30- to 45-degree angle to the direction of travel. The layers alternate in a crisscross pattern, making the sidewalls stiffer so that the entire tire is able to flex easily. As a result, the tire provides a smooth ride and improved handling when trailering on uneven surfaces.

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Side

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

3S140DX 8-Spoke 13" White Wheel and Loadstar K550 Bias Tire - LR C

Customer Reviews

Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load Range C - AM3S140

Average Customer Rating:  4.9 out of 5 stars   (5127 Customer Reviews)

Bias tire has a ply rating of 6 and a 1,360-lb maximum load at 50 psi. The 13" diameter x 4-1/2" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.

- AM3S140

Love the new tires and wheels on the tr ailer 777142

- AM3S140

Tires came in way sooner than expected. They look phenomenal. I would recommend this to anyone weary of buying these online. Great product and expect future business! 750119

- AM3S140

So far... no complaints. Needed a spare tire with rim for my utility trailer. Found this site and had no problem getting what I needed with free 2 day shipping. Awesome. I will make this site my go to site for my utility trailer. 716006

- AM3S140

Great product! Awesome shipping! 710569

- AM3S140

Perfect replacement for the original wheels and tires on my Worthington aluminum trailer. Fit was correct, and the powder coated white with red/blue pinstripes really spruces up the trailer. 614055

- AM3S140

Good product. 549923

- AM3S140

Arrived quickly...seems to be of good quality. Cheaper than I could find locally. 484882

- AM3S140

Exactly as described these were a direct replacement for the ones I had on my trailer. Work good my last pair last 10 years and are still going. They will be used as spares now. 408087

- AM3S140

Purchased as a spare for small trailer. Quality looks great. Arrived in only a few days. Would recommend. 379736

- AM3S140

Great OEM replacement for tire punctured beyond repair. 320766

- AM3S140

Product was delivered fast and packaged well. Dealing with etrailer was pleasant and the prices were very good. Will definitely use etrailer in the future... 201322

- AM3S140

My Wheel Assemblies Cam Fast, Packed Great And Everything Looked And Fit Properly!! The Tire Air Pressures Were Even Exactly What They Were Suppossed To Be:) Thank You VERY MUCH Etrailer, Very Happy With My Purchase!!!!!!! 194060

- AM3S140

Tires were delivered sooner than expected and boxed together, with no shipping damage. Date on tires is only a few of weeks old. What GREAT service and answered every question to my total satisfaction. I will definitely use E Trailer again . Thanks for the treating me like a real customer and not just an order #. 179568

- AM3S140

Again super fast shipping. Thank you for being a company that can be trusted and you back up what you say. When I need something else I will be back. The tire and rim are just what I wanted. 165917

- AM3S140

Delivered quickly & in fine shape. The tires & rims are just like pictured on the web page . Brand spanking new!! Thanks. 157398

- AM3S140

Have put about 5,000 miles, still going strong.Made my trailer look much better thanks for the great price and service jim 120153

- AM3S140

just another great item, with super shipping. thanks 118153

- AM3S140

great tires 88539

working wonderfully, thanks
Mike - 07/15/2014


- AM3S140

I have yet to install the product on my trailer, however it looks correct. The service of etrailer was fantastic. The quick shipping was great, the tire arrived a day earlier then the website said, couldnt be happier. 71744

- AM3S140

Wow, how easy was this. Took less then five minutes to order the tire, Katie answred my questions without hesitation, the product was deliverd when she said it would be and more importantly the price was right! A very pleasent transaction, one I will recommend to others. Thanks........ 43666

- AM3S140

I ordered the tires on Friday of Memorial Day weekend and it came on Tuesday at noon. I paid no extra for speedy a delivery. The tire itself looks great and fits very well. I will let you know later how it performs. I couldn't be more pleased with how well I was treated and the quality of the product. 42123

- AM3S140

Tire came quickly with updates through to delivery. It has been a pleasure buying from etrailer.com. The tire came exactly as ordered and shipped in a box instead of just slapping a sticker on the side as I have seen before. I will definately buy from etrailer again. 38653

- AM3S140

The products I ordered are of the best quality and fit my application perfectly. As happy as I am about the parts, the Customer Service is what made my experience with etrailer so enjoyable. They worked with me to find me the right parts and were courteous and professional through the whole process. Thanks etrailer, you made a new lifetime customer. I will be singing your praises to everyone! 38440

- AM3S140

quick delivery and step by step assistance as to where my product was! 29452

- AM3S140

Exactly as I expected it to be. 27642

Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • Will Kenda 175/80-13 Loadstar be Able to Hold Weight of 1983 Calkins Boat Trailer with Boat
    If your 1983 Calkins boat trailer is rated for 2,375 lbs GVWR (Gross Vehicle Weight Rating) then the Loadstar ST175/80D13 Bias Trailer Tire # AM3S140, which has a load range C (1,360 lbs at 50 psi), will be able to handle the weight. I am not sure how much your whole setup weighs so it might be best to take it by a weigh station just to be sure you know how much it all weighs. You are correct that automobile tires are not suited for trailer usage and so switching the correct tire/wheels...
    view full answer...
  • How to Compensate for Trailer Coupler Much Shorter Than Tow Vehicle's Receiver
    It sounds like you're trying to make sure that your trailer is towed level, which is always important for safety. However, by the looks of that trailer, the fenders you've got on there are going to really limit the size tire you can put on there. You normally want to leave at least 3" between the top of the tire and the fender so that you don't damage the tires when going over any bumps or anything, so I'm not sure that adding a larger tire is going to be the best solution. It sounds...
    view full answer...
  • What is the Diameter of Loadstar ST175/80D13 Bias Trailer Tire with 13 Inch White Wheel # AM3S140
    When inflated to the maximum psi as indicated on the tire, which is how trailer tires should be inflated, the diameter of the tire, or height from the ground to the top of the tire, will be 24 inches for # AM3S140. This would mean that if you measure from the center of the pilot hole on the wheel, it should be 12 inches to the top and 12 inches to the bottom. However, when under load, the weight of the trailer is going to push down towards the top of the tire and the bottom of the tire...
    view full answer...
  • Will Changing to a Wider and Taller Trailer Tire Help Reduce Road Shock on a Bumpy Road
    Actually the more surface area of the tire that touches the road, the more you will feel every bump on the ground. An ST175 or 185/80-13 tire is wider than a 4.80 x 12 so it would be worse as far as a bumpy ride goes. What I recommend adding is some suspension enhancement, see link. Adding some suspension enhancement will absorb road shock and pro-long the life of the suspension. It will definitely help with those bumpy gravel and dirt roads.
    view full answer...
  • What Bolt Pattern is Used on an Old Jayco Pop-Up Camper
    It sounds like you are asking if the wheels on your old pop-up camper use the same bolt pattern as the old Ford 5 lug or old Chevy(Holden) 5 lug. If that is the case then I do not know for sure but if I had to take a guess I would say the old Ford 5 lug which is 5 on 4-1/2" would be more prevalent on your trailer than the old Chevy 5 lug which is 5 on 4-3/4". However, in order to be certain you will need to measure using the attached help article. Please note that vehicle wheels are...
    view full answer...
  • Choosing Between Radial or Bias Tires on a 5,000 Pound Fifth Wheel Travel Trailer
    If the option is available I would recommend the radial tire over the bias tire because of better stability, better ride comfort and it will also dissipate heat better. Heat buildup inside a tire is what will cause many problems with tires. Radial trailer tires will also give you longer tread wear as long as the tires are maintained properly. For either type of tire you will want to make sure to inflate the tire to the maximum air pressure that is listed on the sidewall of the tire. Also,...
    view full answer...
  • Recommended Lug Nut Torque on Loadstar ST175/80D13 Bias Trailer Tire with 13 inch Wheel # AM3S140
    For a 1/2 inch x 20 lug nut size, which is what is used on the Loadstar ST175/80D13 Bias Trailer Tire with 13 inch wheel, # AM3S140, you will torque them down to 75-85 foot pounds. You should re-torque them at 10 miles, 25 miles, and 50 miles, and then periodically after that. You might also be interested in some 1/2 inch lug nuts # CE11051.
    view full answer...
  • Replacement Wheels and Tires to Lower Trailer to Fit Inside Garage Door
    We have definitely had this asked before. The 15 inch tires you have are around 27.3 inches in diameter if you have the 205/75-15 tires. If you have 225/75-15 tires then the outer diameter will be 28.1 inches. You will need to account for weight capacity with smaller tires as well as the hub and drum size requirements for fit. You likely can only go to the 13 inch wheel due to this and I recommend the Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel - 5 on 4-1/2 - Load...
    view full answer...
  • Replacement Wheels/Tires for a 2005 Fleetwood Tucson Pop-Up Camper
    It sounds like you may be looking for a new wheel/tire combo for your 2005 Fleetwood Tucson Pop-Up Camper. If this is the case then according to my research, your trailer could have came with either 5.30 x 12 or 175/80-13 tires. For a 5.30 x 12 option I recommend the Kenda 5.30-12 Bias Trailer Tire part # AM30859 and for a 175/80-13 option I recommend the Loadstar ST175/80D13 Bias Trailer Tire with 13" White Wheel part # AM3S140. Please note these options are both for a 5 on 4-1/2" bolt...
    view full answer...
  • How To Determine The Proper Replacement Tire On A 1998 Coleman Sea Pine
    The metric tire size 175/80-13 is the modern equivalent of your original B78-13ST tire. You have two options to consider when choosing a tire: Radial or Bias. A Bias tire consists of several overlapping rubber plies running from a 30-45 degree angle. They are generally used for more local driving. A radial tire is designed for highway travel and also provides a much smoother and comfortable ride. A bias ply tire has a stronger sidewall, a radial tire offers more flex for better ground...
    view full answer...

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Info for this part was:

Expert Research:
Michael H
Expert Research:
Jeff D
Updated by:
Laura H
Updated by:
Mary E
Updated by:
Sarah W
Updated by:
Isabelle B

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