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  5. 6 on 5-1/2 Inch
  6. 225/75-15
Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D

Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D

Item # AC225R6WS
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Our Price: $142.31
Trailer Tires and Wheels
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Shipping Weight: 48 lbs
AC225R6WS - 225/75-15 Taskmaster Trailer Tires and Wheels
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Radial tire has 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. 3-Step powder coat finish resists rust. Improved torque retention secures wheel. Complimentary roadside assistance included. Lowest Prices for the best trailer tires and wheels from Taskmaster. Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D part number AC225R6WS can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (440)
  • Q & A (8)
  • Photos
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Taskmaster Trailer Tires and Wheels - AC225R6WS

  • Tire with Wheel
  • 15 Inch
  • 6 on 5-1/2 Inch
  • 225/75-15
  • Load Range D
  • Steel Wheels - Powder Coat
  • Radial Tire
  • Taskmaster
  • Standard Rust Resistance

Radial tire has 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. 3-Step powder coat finish resists rust. Improved torque retention secures wheel. Complimentary roadside assistance included.


  • Tire-and-wheel assembly is ideal for stock trailers, utility trailers, and campers
  • Steel wheel with 8-spoke design is sturdy and corrosion resistant
    • 3-Step finishing process includes phosphate zinc bath, e-coat primer, and white powder coat on outboard side
    • Inboard side is lightly e-coated to reduce friction and provide rust resistance with less flaking
  • Improved torque retention (ITR) technology helps to keep wheel securely in place on your trailer
    • Uncoated stud holes are beveled to offer better clamp force retention
  • Radial tire is constructed with double steel belts and double polyester cords
    • Great for highway use
    • Nylon tread-firming belt overlays help prevent tread separation
    • Tread depth bars offer a quick visual indicator of tread wear
  • Special trailer (ST) tire has sturdy sidewalls so that it can handle heavy loads
    • Created specifically for trailers and not intended for use on other vehicles
  • 2-Year Platinum Plus warranty includes emergency tire change service and other benefits
  • Assembly meets DOT specifications and exceeds FMVSS


  • Rim dimensions: 15" diameter x 6" wide
  • Bolt pattern: 6 on 5-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 2,830 lbs
  • Pilot diameter: 4.25"
  • Offset: 0
  • Tire size: ST225/75R15
    • Section width: 8.78"
    • Outer diameter: 28.31"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 2,540 lbs at 65 psi
  • Tread depth: 8.4/32"
  • Maximum speed: 81 mph (speed rating M)
  • 2-Year limited warranty

Platinum Plus Warranty with Roadside Assistance

This tire-and-wheel assembly comes with a Platinum Plus warranty that includes complimentary roadside assistance for 2 years. If your trailer has a flat tire, call the help line and a technician will come change out the flat tire with your existing inflated spare tire. The service is available 24 hours a day, 7 days a week. In addition to the roadside assistance, this warranty also includes other benefits and services.

Corrosion-Resistant Finish

The steel wheel goes through a 3-step finishing process that makes it both attractive and corrosion resistant. The wheel is first submerged in a zinc phosphate bath to ensure good paint adhesion. It is then e-coated with an acrylic primer base and the outboard side is finished with baked-on DuPont powder paint. The light e-coat on the inboard side of the wheel reduces friction between the wheel and your hub and eliminates the flaking that can occur with a heavily applied paint finish.

Improved Torque Retention Technology

Beveled Stud Holes Front and Back

The automotive-rated center disc is raised and the stud holes are beveled and uncoated for better clamp force retention. This technology helps the wheel stay tight against your hub without the need for constant retightening.

Standard Trailer Tire Tread

Contender Tire Tread

The standard tread on these tires has solid, continuous ribs, and it has very few sipes (or thin grooves) cut into the rubber. These tires are designed for use on trailers, so they don't require the level of traction that would be needed on a vehicle that is braking or steering.

Contender radials have double polyester cords and double steel belts. A protective layer of nylon is wrapped around the steel belts to help prevent tread separation.

Radial Tires vs. Bias Tires

Radial tire vs bias tire graphic

Radial ply tires are designed for trailers that are towed on the highway. The cords on a radial tire are positioned at a 90-degree angle to the direction of travel so that they lay across the width of the tire from wheel lip to wheel lip. This construction prevents the cords from rubbing against one another when the tire flexes, unlike the cords on a bias ply tire. As a result, radial tires have less rolling resistance and heat buildup, which leads to a longer tread life and improved steering at higher speeds.

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"

AC225R6WS Taskmaster Contender ST225/75R15 Radial Tire with White 8-Spoke Rim - 6 on 5-1/2 - LR D

Installation Details AC225R6WS Installation instructions

Customer Reviews

Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D - AC225R6WS

Average Customer Rating:  4.9 out of 5 stars   (440 Customer Reviews)

Radial tire has 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. 3-Step powder coat finish resists rust. Improved torque retention secures wheel. Complimentary roadside assistance included.

- AC225R6WS

Nice looking. Time will tell if there good or not. 877401

- AC225R6WS


- AC225R6WS

great deal. Exactly what I wanted. 864480

- AC225R6WS

Looks to be a very good trailer tire. The company was great to work with and delivery was quick. 790839

- AC225R6WS

It has been a wonderful spare tire & wh eel. 737156

- AC225R6WS

Worked great for a replacement exact match to what we had. 726832

- AC225R6WS

Tires and wheels are excellent and have held up well since purchase. No issues with balance on the trailer and pulls smoothly down the road. Would buy again. 717066

- AC225R6WS

So far so good...Hopefully many more years of service.... 715286

- AC225R6WS

So Far, So Good, No Regrets Yet !! 671816

- AC225R6WS

I needed a spare wheel and tire for my trailer. Good price for a spare. 611787

- AC225R6WS

Shipped quickly and packed correctly. I put them on the trailer and they have been good so far. 610551

- AC225R6WS

The tires and trailer rims were promptly delivered, oh boy was I surprised! They were mounted, inflated and ready to go! All I need is another pair to these. I will be ordering them soon. It will be from etrailer.com because of the best service, fast service and follow up service. Thanks guys. 603181

- AC225R6WS

Great price and fast good delivery. The tire and rim are as advertised. Will go on my boat trailer across from the one i bought last year. 586237

- AC225R6WS

Great wheel and tire combo for the mone y. 576323

- AC225R6WS

Product was as described. Tire came on rim pumped up. Wasn’t expecting that. Everything fit fine. Now I just hope the tire holds up. I will soon see. Shipping time was what I was told upon ordering. I definitely would order more products from this company. I was really pleased 574384

- AC225R6WS

Item has performed well! Thanks ETraile r! 568972

- AC225R6WS

It only took a couple days to get tires. When I called to order they were extremely helpful and pleasant. They did not have the actual rim I needed in stock so they offered a different Cheaper one that was in stock. Thank You 567980

- AC225R6WS

Product arrived early today, looks perfect and in exactly what I needed 549593

- AC225R6WS

Looks great and arrived fast! Now just have to mount on rv 549172

- AC225R6WS

The tire matched the requested size and specifications. It was also shipped quickly and was packaged properly. I will definitely use etrailer.com again! 529949

- AC225R6WS

Very Happy with product, both rim and tire. Fit as I measured without issue. Like the video help offered by etrailer. Thank You. 526674

- AC225R6WS

Great product, great price and service. I will always continue to buy my parts through etrailer. 518107

- AC225R6WS

The tires are exactly what I wanted. I put them on a 5th wheel camper. Thanks for your help. 515664

- AC225R6WS

Great tire, good price and free shipping. I have ordered several tires and will continue to purchase. Thank you! 515022

- AC225R6WS

Nice tires, etrailer was great to work with and did everything they said they would do. 512171

Show More Reviews

Ask the Experts about this Taskmaster Trailer Tires and Wheels

  • Replacement Wheel and Tire Recommendation for 7.50-15 Tire and Wheel
    The bolt pattern of your wheel looks to be a 6 on 5-1/2 inch pattern which is what the part # AC225R6WS that you referenced has. For your tire size of 7.50-15 the 225/75R15 is what we most commonly recommend as a replacement. It will be about 1 inch shorter in diameter though.
    view full answer...
  • Will Spoke Trailer Wheels and Tires Fit on 1998 Jayco Eagle
    It's basically just an aesthetic thing. Any of the styles you mentioned would work well but it comes down to which you like best and if the price works for you. The part # AC225R6WS you referenced comes with a white wheel that has smaller spokes. If the tire size you need is 225/75R15 and you need a wheel with a 6 bolt pattern this would be a great option.
    view full answer...
  • Recommended Spare Tire and Wheel for Boat Trailer ST225/75R15
    For your spare tire, I recommend the Contender ST225/75R15 Radial Trailer Tire w/ 15" Silver Mod Wheel - 6 on 5-1/2 - Load Range D # AC225R6SM. This wheel has a 3-step powder coat finish. This combination is rated for 2540 lbs at 65 psi and speeds up to 81 mph. It comes with a 2 year warranty that includes roadside assistance 24/7. You may also want the spare tire cover # 052963753479 to keep the UV rays from prematurely breaking down your spare tire. I've linked all of our options...
    view full answer...
  • Recommended Trailer Tire And Wheel Combination For Trailer With 6 on 5-1/2 Bolt Pattern
    The Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - Load Range D, # AC225R6WS is a very well made tire and we have had very positive feedback from customers. It is a combination I can highly recommend. I've attached a review video of this combination for you. Recent updates in laws do require us to collect sales tax. You can see the entire description under the Sales Tax heading on the linked page. Let me know what the hub is you need. The bearing...
    view full answer...
  • Is the Pilot Diameter of the Contender ST225/75R15 Radial Trailer Tire Standard In Size
    The pilot diameter of the Contender ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel # AC225R6WS is 4-1/4 inches. This is a pretty standard size for this wheel size, but as long as this diameter is large enough to fit over you hub it would work just fine. Unless your current wheels attach with bolt and not standard lug nuts. Then the diameter would have to match perfectly as that is how the wheel centers. Lug nut styles center on the lugs.
    view full answer...
  • Are Tire and Wheel Combinations Mounted, Balanced, and Ready for Use Straight Out of the Box?
    The Contender Radial Trailer Tire # AC225R6WS you were looking at will come mounted, but not balanced like a typical car tire because it isn't necessary, they will be ready for use straight out of the box after receiving them. The Contender tire and wheel combos we carry are not machined balanced. You can have the tire and wheel combos balanced at a local tire shop if you wanted to. What manufacturers will do is line up the light spot on the tire with the heavy spot on the wheel....
    view full answer...
  • Comparison of 1/2 Wheel Stud Lug Nuts for Trailer Wheel
    We have three different CE Smith lug nuts available. Two of them are for 1/2 inch diameter studs like the part # AM90054 and the part # CE11051. Difference between these two is the first part number is an acorn style that covers the entire stud and the other is more of a standard nut. The lug nut we have for a 7/16 inch stud is the part # CE11050 which is also like a standard nut but beveled to fit a trailer wheel.
    view full answer...
  • Replacement Wheel and Tire Recommendation for Horse Trailer with Tire Size P215/70R15
    Do you mean you need rims and not tires? That said the tire size you listed of P215/70 R15 should not be used on trailers as it's a passenger vehicle tire size and trailers need to have ST tires which were designed for the vertical load that trailers put on them. A P rated tire is not safe on a trailer and I recommend replacing the wheels and tires with a similar size that is trailer rated like the # AC225R6WS if you have a 6 lug bolt pattern or the # A225R645SMV if you have a 5 lug bolt...
    view full answer...

Do you have a question about this Trailer Tires and Wheel?

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Info for this part was:

Edited by:
Leah B
Installed by:
Jeff D
Expert Research:
Jameson C
Written by:
Mary E
Updated by:
Isabelle B

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