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Taskmaster 4.80/4.00-8 Bias Trailer Tire w/ 8" Solid Center Wheel - 4 on 4 - Load Range B

Taskmaster 4.80/4.00-8 Bias Trailer Tire w/ 8" Solid Center Wheel - 4 on 4 - Load Range B

Item # AS4808B4WS
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Trailer Tires and Wheels AS4808B4WS - 4.80/4.00-8 - Taskmaster
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Bias tire has a ply rating of 4 and a 585-lb max load at 60 psi. 8" x 3-3/4" Steel wheel has a 4 on 4 bolt pattern and rust-resistant 3-step powder coat. Improved torque retention secures wheel. Lowest Prices for the best trailer tires and wheels from Taskmaster. Taskmaster 4.80/4.00-8 Bias Trailer Tire w/ 8" Solid Center Wheel - 4 on 4 - Load Range B part number AS4808B4WS can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (17)
  • Q & A (10)
  • Photos
  • Why etrailer?

Taskmaster Trailer Tires and Wheels - AS4808B4WS

  • Tire with Wheel
  • 8 Inch
  • 4 on 4 Inch
  • 4.80/4.00-8
  • Load Range B
  • Steel Wheels - Powder Coat
  • Bias Ply Tire
  • Taskmaster
  • Standard Rust Resistance

Bias tire has a ply rating of 4 and a 585-lb max load at 60 psi. 8" x 3-3/4" Steel wheel has a 4 on 4 bolt pattern and rust-resistant 3-step powder coat. Improved torque retention secures wheel.


  • Tire-and-wheel assembly is ideal for utility trailers and motorcycle trailers
  • Steel wheel with solid-center design is sturdy and corrosion resistant
    • 3-Step finishing process includes zinc phosphate 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
  • Bias ply tire is constructed with strong nylon cords
    • Great for off-road and agricultural use
    • Tread depth bars offer a quick visual indicator of tread wear
  • Assembly meets DOT specifications and exceeds FMVSS


  • Rim dimensions: 8" diameter x 3-3/4" wide
  • Bolt pattern: 4 on 4"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 910 lbs
  • Pilot diameter: 2.5"
  • Offset: 0
  • Tire size: 4.80/4.00-8
    • Section width: 4.6"
    • Outer diameter: 16.1"
  • Tire capacity:
    • Load range: B
    • Ply rating: 4
    • Maximum load: 585 lbs at 60 psi
  • Maximum speed: 81 mph (speed rating M)
  • 2-Year limited warranty

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.

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"

AS4808B4WS Task Master 4.80/4.00-8 Bias Tire with White Solid Center/Flat Disk Rim - 4 on 4 - LR B

Customer Reviews

Taskmaster 4.80/4.00-8 Bias Trailer Tire w/ 8" Solid Center Wheel - 4 on 4 - Load Range B - AS4808B4WS

Average Customer Rating:  4.8 out of 5 stars   (17 Customer Reviews)

Bias tire has a ply rating of 4 and a 585-lb max load at 60 psi. 8" x 3-3/4" Steel wheel has a 4 on 4 bolt pattern and rust-resistant 3-step powder coat. Improved torque retention secures wheel.

- AS4808B4WS

Installed this pair of tires on my small utility trailer April 2019 while servicing the wheel bearings & replacing the original leaking grease seals with Bearing Buddy grease seals. Pulled the trailer over 4,000 miles last summer at freeway speeds with NO issues. These Taskmaster tires with 81 mph speed rating are simply wonderful! And the Bearing Buddy grease seals don't leak. Thank you for offering these tires etrailer. Picture is after 4,000 miles. 785274

- AS4808B4WS

only reason I didn't give it 5 stars is because I haven't put them on my trailer yet, They look good and the price was right. I'm sure I will do business again with you. 647652

- AS4808B4WS

Awesome customer service fast shipping 830102

- AS4808B4WS

Fast shipping, fit perfect, put over 1000 miles on these tires at speeds up to 65mph with no issues at all. No checking or cracking at all after one year. Look perfect yet. 824566

- AS4808B4WS

Exactly what I ordered. Prompt delivery .... 770398

- AS4808B4WS

Just received the tires and shipping was fast. Product as represented. Looks to be a good quality product. 766328

- AS4808B4WS

I ordered new tires, rims and hubs for my trailer. They arrived within a week and were just what I needed. Thank you Rae for the great customer service! 492162

- AS4808B4WS

good tire. i instaled them on a log splitter. work great. 478391

- AS4808B4WS

The wheels match exactly as I expected and needed, shipped reasonably quickly (free) and were priced well for my budget. 461542

- AS4808B4WS

Wheels with tires arrived in good order. Just waiting for the hubs. When they will be shipped ? I returned 2 wrong size wheels ( my mistake). Please let me know when I will get credit on Amex. Thanks, Joseph Kejha 456707

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

To this point I am extremely satisfied with your service. I inadvertently ordered the wrong item, and you were quick to furnish necessary info to return it. At the same time, you helped me determine the correct item, which was delivered ahead of schedule. I rated 4 stars because, as of yet, my return has not been processed, however I would not be surprised if this process goes as smoothly, as the rest. I will be using this company again. Highly recommended... 872506

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

Super fast turnaround and shipping, great communication and product as described. Thank you! 857269

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

This is an excellent product! It fits my Boston Whaler 110 tender perfectly. The only reason I didn't give it five stars was because there were no instructions included in the packaging on how to thread the strap through the buckle. I had to go online where you guys provided an excellent video. Tires and grease caps arrived in good order and appear to be as presented in your literature. I have ordered from etrailer in the past and have always found your service and products to be outstanding! 777486

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

Was heading out in a few days for a fishing trip and needed tires that were rated for higher speeds; tires that came with my trailer were limited to 60 mph, which would make for a slow drive. William was very helpful and found the perfect ones for me. These tires rode well and made for a smooth drive at 75 mph. 710986

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

I placed my order and I believe it was 3 days and it was delivered. The people at etrailer are very friendly and will bend over backwards to help you. I recommended etrailer to my friend today. They were the only ones I could find that had the speed rating I wanted. Will buy from them again. 511071

Your service was great but the one tire lost air through the wheel like the one I returned. On a long trip it went flat while going down the road and before I could get stopped it wrecked the tire and messed up the wheel. Other tire has given me no trouble.
Charles S - 05/20/2019


- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

Just got these tires today so I have not had a chance to put them on my trailer due to bad weather. etrailer was very helpful on picking these tires for my particular needs. Shipping was very fast. Tires look great. I am very satisfied with my purchase. 497921

- AS4808B45WS

Review from a similar Solid Center Bias Ply in Trailer Tires and Wheels

Another purchase made from etrailer and another satisfying experience. That’s why I do business with them. Excellent product quality, very competitively pricing, great service and fast delivery. What more can you ask for. I would absolutely recommend purchasing from etrailer.com 487360


Ask the Experts about this Taskmaster Trailer Tires and Wheels

  • Trailer Tire and Wheel in 8 inch Wheel Size that Has Higher Speed Rating
    We have the part # AS4808B4WS which is a tire size of 4.80-8 that has a speed rating of 81 mph and has a bolt pattern of 4 on 4 inch.
    view full answer...
  • Recommended Trailer Tire with Higher Speed Rating for Size 4.80-8
    I have a great solution for your tire size that has a higher speed rating of 81 mph. We only have them with wheels with the part # AS4808B45WS which has a 5 bolt pattern and the part # AS4808B4WS with a 4 bolt. The only way you'll be able to safely recommend you do 70 mph with only these two options for your trailer.
    view full answer...
  • Difference Between Trailer Tire Sizes 165/65-8 and 4.80-8
    The tire size 165/65-8 is .4 of an inch taller than the 4.80-8 tire size and fits a rim almost two inches wider. The sizes are very similar but the 165/65-8 size is a bit different. Either size tire requires a different width rim. We have replacements on rims like the part # AM3H200 for if you have a 4 bolt wheel or part # AM3H220 if you have a 5 bolt wheel.
    view full answer...
  • 4.80-8 Trailer Tire and Wheel with 81 MPH Speed Rating
    In the tire size of 4.80-8 we have the trailer wheel and tire part # AS4808B4WS which has a speed rating of 81 mph like you are looking for. This has a 4 bolt mounting pattern like you'd need as well.
    view full answer...
  • What is the Speed Rating for Kenda K371 Bias Trailer Tire - 4.80/4.00-8 # AM10002
    Kenda K371 Bias Trailer Tire - 4.80/4.00-8 # AM10002 is rated for a maximum of 65 miles per hour. Exceeding the speed rating will generate excessive heat and can lead to failure. We do have some options rated higher but only in tire and wheel combos and not the tires by themselves. For a 4 on 4 bolt pattern we have # AS4808B4WS and for a 5 on 4-1/2 we have # AS4808B45WS. Both of these tire and wheel combos are rated for 81 miles per hour. You could go up to a larger tire size provided...
    view full answer...
  • How Trailer Tires are Balanced and Recommended Trailer Tires for Small Boat Trailer
    Trailer tire balancing is different than vehicle tire balancing that use weights to ensure an extremely smooth rotation. Trailer tires are made different with stronger sidewalls and they don't use weights or ball bearings to balance them. Instead the tire has a high spot and a low spot (heaviest and lightest point) that are indicated normally by a mark on the tire. Then you simply match the valve stem of your trailer wheel with the high/heavy spot on the trailer tire. Trailer tires...
    view full answer...
  • Replacement 8 x 3-3/4 inch Trailer Wheel for 4.80-8 Sized Tires
    I won't say you can find an 8 x 3-3/4 inch rim just anywhere but you've come to the right place. We carry two of them; parts # AM20001 which is white and # AM20003 which is galvanized. They're both a 4 on 4 and have a maximum weight capacity of 910 pounds. These are the correct size wheels for 4.80-8 sized tires like you have. We also carry a 4.80-8 tire mounted on a white wheel with a 4 on 4 bolt pattern, part # AS4808B4WS which has a weight capacity of 585 pounds at 60 psi.
    view full answer...
  • Correct Inflation Pressure for 4.80/4.00-8 Load Range B Trailer Tire
    All of our Load Range B trailer tires in size 4.80/4.00-8 specify a pressure of 60-psi. The same size tires in Load Range C require higher 90-psi pressure in order to meet their higher weight carrying spec. All tire and wheel/tire items in this size that we sell appear on the linked page. Your tires should indicate right on their sidewall what their maximum pressure is and this is what they should be inflated to when cold. All tires will naturally warm up as you drive and you do...
    view full answer...
  • Replacement Wheel and Tire for Motorcycle Cargo Trailer with 4 on 4 Bolt Pattern
    When you look at the trailer weight, you will want to make sure you account for the weakest part of the system as that will be your max capacity. If your tires are the lowest rated for load capacity, then you can upgrade the tires. It is not likely that you will be able to jump to 12 inch wheels as that is a really large jump which would take your overall wheel diameter from the 16.1 inches to about 22 inches. That isn't including the the 3-1/2 to 4-1/2 inches you will need above the...
    view full answer...
  • 4.80-8 Trailer Tire Rated for More than 65 Miles Per Hour
    The best and only option that is going to work for you is Taskmaster tire and wheel combo # AS4808B4WS. The tire in this tire and wheel combo is rated for 81 miles per hour so it is perfect for your needs! I have linked a video review of this tire and wheel combo for you.
    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
Expert Research:
Jameson C
Installed by:
Cole B
Written by:
Mary E
Updated by:
Isabelle B

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