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  1. Trailer Tires and Wheels
  2. Taskmaster
  3. Tire with Wheel
  4. 13 Inch
  5. 5 on 4-1/2 Inch
  6. 175/80-13
Contender ST175/80R13 Radial Trailer Tire w/ 13" Vesper Silver Mod Wheel - 5 on 4-1/2 - LRC

Contender ST175/80R13 Radial Trailer Tire w/ 13" Vesper Silver Mod Wheel - 5 on 4-1/2 - LRC

Item # TA23RR
Our Price: $121.73
You Save: $8.46
Trailer Tires and Wheels
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Shipping Weight: 27 lbs
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Radial tire has 6-ply rating and 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has 5 on 4-1/2 bolt pattern and an acrylic enamel finish for better damage resistance than powder coat finishes. Roadside assistance included. Great Prices for the best trailer tires and wheels from Taskmaster. Contender ST175/80R13 Radial Trailer Tire w/ 13" Vesper Silver Mod Wheel - 5 on 4-1/2 - LRC part number TA23RR can be ordered online at or call 1-833-496-1390 for expert service.
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Taskmaster Trailer Tires and Wheels - TA23RR

  • Tire with Wheel
  • 13 Inch
  • 5 on 4-1/2 Inch
  • 175/80-13
  • Load Range C
  • Steel Wheels - Acrylic Enamel
  • Radial Tire
  • M - 81 mph
  • Taskmaster

Radial tire has 6-ply rating and 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has 5 on 4-1/2 bolt pattern and an acrylic enamel finish for better damage resistance than powder coat finishes. Roadside assistance included.


  • Tire-and-wheel assembly is ideal for stock trailers, utility trailers, and campers
  • Steel wheel with modular design is sturdy and corrosion resistant
  • Silver acrylic enamel finish resists chipping and other damage better than powder coat finishes
    • Finish is applied after a zinc phosphate pre-treatment and covers an e-coat primer layer
    • Excellent corrosion resistance with a salt spray rating of more than 1,000 hours
  • Beveled stud holes help to keep wheel securely in place on trailer hub
    • Eliminate the need for constant retightening of lug nuts
  • 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 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
  • 2-Year Platinum Plus warranty includes emergency tire change service and other benefits
  • Assembly meets DOT specifications and exceeds FMVSS


  • Rim dimensions: 13" diameter x 4-1/2" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 1,660 lbs
  • Pilot diameter: 3.19"
  • Offset: 0
  • Tire size: ST175/80R13
    • Section width: 6.97"
    • Outer diameter: 24.02"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 1,360 lbs at 50 psi
  • Tread depth: 7.8/32"
  • 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.

Durable Acrylic Enamel Finish

The wheel on this assembly has a durable acrylic enamel finish on the front. The finish is applied after the wheel goes through an environmentally safe zinc phosphate pre-treatment and is coated with an e-coat primer layer. Compared to powder coat finishes, this finish resists getting chipped from flying road debris or scraped from hitting a curb for a longer period of time. These acrylic enamel wheels performed for more than 1,000 hours in salt spray tests.

Beveled Stud Holes

The stud holes on this steel wheel are beveled to ensure that the wheel stays tight against your trailer hub. This also eliminates the need to constantly retorque the lug nuts.

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"

AC13R45SMM Task Master Contender ST175/80R13 Radial Tire with Silver Modular Rim - 5 on 4.5 - Load Range C

Replaces Taskmaster AC13R45SMQ and AC13R45SM

Customer Satisfaction Score:

Customer Reviews

Contender ST175/80R13 Radial Trailer Tire w/ 13" Vesper Silver Mod Wheel - 5 on 4-1/2 - LRC - TA23RR

Average Customer Rating:  4.9 out of 5 stars   (7 Customer Reviews)

Radial tire has 6-ply rating and 1,360-lb max load at 50 psi. 13" x 4-1/2" Steel wheel has 5 on 4-1/2 bolt pattern and an acrylic enamel finish for better damage resistance than powder coat finishes. Roadside assistance included.


Easy to order. Quick delivery. Just be sure to READ before you place your order! I wanted a white wheel. The picture shows a white wheel so, I clicked order. Bummer but ordering and delivery great!


Nice wheel and tire package for a great price!


Package arrive in half of time expected. Great service


Fast shipping and item exactly as descr ibed!





See what our Experts say about this Taskmaster Trailer Tires and Wheels

  • Upgrading from 10 inch Tires to 13 inch Tires on a Boat Trailer
    This is a really common upgrade that happens all the time. The main issue when people do this is fender spacing and since you are planning on removing yours you won't have that problem at all. You are going to want to measure the space between the sidewall of your tire and the trailer and see how much room you have between the two. It is recommended to have a minimum of 1" of clearance between your trailer and tire. The Contender ST175/80R13 Radial Trailer Tire w/ 13" wheel item # TA23RR...
    view full answer...
  • Best Trailer Tire in Size 175/80-13 for 2014 Tracker Bass Buggy 18 ft.
    The Contender trailer tire part # C17513C is the best option for the tire size of 175/80-13 replacement you are looking for. These are a radial construction which is the most preferred, has a great speed rating of 81 mph, and has a higher capacity of 1,360 lbs at 50 psi. For this tire on a silver wheel we have the part # TA23RR.
    view full answer...
  • Do 175/80-13 Size Tires Have the Right Weight Capacity for a 2,500 lb Trailer
    It all depends on the load range of your tires. If you look on the sidewall of your current 175/80-13 tires you should be able to find the load range imprinted/stamped somewhere. Here are the load range capacities for your specific tire size of 175/80-13: B: 1,100 lbs at 35 psi C: 1,360 lbs at 50 psi D: 1,610 lbs at 65 psi Since you add the weight capacity of both tires, as long as they have a load range of C or D, then you have tires that can handle the weight capacity of 2,500 lbs. If...
    view full answer...
  • Replacement Wheel and Tires for my Boat Trailer with the B78-13 Nanco Tires
    The Contender ST175/80R13 Radial Trailer Tire w/ 13" Vesper Silver Mod Wheel - 5 on 4-1/2 - Load Range C Item # TA23RR matches your need perfectly. It is also available in the load range D you mentioned with the Karrier ST175/80R13 Radial Trailer Tire with 13" Galvanized Wheel part # AM31994 please keep in mind these are the triangle holes rather than the round.
    view full answer...
  • Trailer Tire and Wheel Replacement for Utility Trailer with P155/80-13 Tire Size
    The closest ST rated trailer tire to the vehicle tire size you have now is the ST175/80-13 like the # C17513C or for a setup that has a wheel and tire since you mentioned your bolt pattern we have the # TA23RR which comes with a silver mod style wheel. Passenger vehicle tires like what you have should not be used on trailers as they weren't designed for the vertical loads that trailers often see.
    view full answer...
  • Recommended Replacement Wheels/Tires for 1985 Coleman Tent Trailer
    The maximum life span of a trailer tire is typically 5 or so years, so you're absolutely correct in thinking they should be replaced. They're probably pretty cracked up and dry-rotted at this point. If at all possible, I'd go with the larger size, primarily because you can use a radial tire that will run cooler and more smoothly on the highway. Excessive heat build-up is the number one cause of premature tire failure, so going with a radial tire would be advisable. If Coleman lists the...
    view full answer...
  • Availability of 175/80-13 Trailer Tire Mounted on Gray Powder Coat Rim
    We don't offer any gray powder coated wheels, but if silver powder coat would come close enough to gray for your liking, we have a solution or tow that would work for you. Since we don't carry a 175/80-13 Load Range D tire mounted on a silver rim, you could purchase the wheel and tire separately. The bias ply tire is part # AM1ST77, or for a radial tire, choose # AM10210. For wheels, you can choose from a 13 x 4-1/2 inch silver powder coated modular wheel with a 5 on 4-1/2 inch bolt pattern,...
    view full answer...
  • Axle, Hubs, Tire and Wheel Recommendation for Homemade 2,000 lb Trailer
    While I totally understand the convenience of having a spare that can be used on either your trailer and your van, I cannot recommend using automotive tires on a trailer (or vice versa), and here's why. ST (Special Trailer) tires are made for a specific purpose—supporting the vertical load and cornering forces of trailers, which is why their sidewalls are stiffer. P (Passenger) tires are designed with more flexible sidewalls and are made with passenger comfort and steering in mind and...
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Carrie F
Updated by:
Carrie F
Employee Justice A
Written by:
Justice A

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