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Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish

Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish

Item # AM20124
Our Price: $46.58
You Save: 42%
Trailer Tires and Wheels
Shipping Weight: 9 lbs
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AM20124 - 4 on 4 Inch Americana Wheel Only
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Corrosion-resistant, 12" steel wheel features a 4 on 4 bolt pattern and meets Department of Transportation standards. Great Prices for the best trailer tires and wheels from Americana. Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish part number AM20124 can be ordered online at or call 1-800-940-8924 for expert service.
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Americana Trailer Tires and Wheels - AM20124

  • Wheel Only
  • 12 Inch
  • 4 on 4 Inch
  • Steel Wheels - Galvanized
  • Boat Trailer Wheels
  • Americana

Corrosion-resistant, 12" steel wheel features a 4 on 4 bolt pattern and meets Department of Transportation standards.


  • Sturdy steel construction
  • Galvanized finish provides superior protection from rust and corrosion
  • 8-Spoke pattern
  • High-quality wheel meets DOT specifications


  • Rim dimensions: 12" diameter x 4" wide
  • Bolt pattern: 4 on 4"
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 2.84"
  • Offset: 0
  • Capacity: 1,250 lbs
  • Limited 2-year warranty

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"

20124 8-Spoke Galvanized Wheel - 12"

Customer Satisfaction Score:

Customer Reviews

Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish - AM20124

Average Customer Rating:  4.7 out of 5 stars   (536 Customer Reviews)

Corrosion-resistant, 12" steel wheel features a 4 on 4 bolt pattern and meets Department of Transportation standards.


Quick shipping from etrailer, but I wish I had noticed that these don't come with valve stems before I ordered. I got the high-pressure stems from them soon enough though. Like others have said about these, they look shinier in the pics then they really are. Some of the welds were a bit rough, and the finish wasn't perfect, but a liberal amount of elbow grease got them looking great. Huge improvement from the ugly old wheels I had.
So far I'm happy. We'll see how they look after some use.


Very nice wheel..
I only wished it had
valve stems,
But no big deal...
Thank you!


Merchandise as advertised & met expecta tions.


Galvanized 12 inch trailer rims arrived very fast. 1 rim had small bent spot/ding that did not affect tire seating ability. Galvanizing was very good. Overall quality was very good. Mounted Taskmaster 4.80R12 Radial tires, which are speed rated to 81 mph. I depend on etrailer for my small boat trailer wheels and tires. I tow this small trailer about 15,000 miles a year, so need quality and service. Thanks etrailer.


I recently purchased a galvanize rim four on four for my trailer I bought the rim to use as a spare but I like the way it looks on the trailer so I'm going to get one for the other side. I will use my black rim as a spare.


Worked out fine


The finish on this wheel was pretty rough. It appeared to have curb rash on the circumference and there were paint flakes in the lug nut/ valve stem holes. It’s hard to tell if this was a brand new wheel with a horrible paint job that also dripped down all on one side or if it was welded and refurbished and then sold as new. The tire mounted OK, with no apparent leaks so far. I guess it will be OK for my Harbor Freight light utility trailer, unless it starts leaking or it comes apart some how.

Etrailer Expert

Katrina B.


During the galvanization process the wheels are dipped into the solution and then are drip dried. Which means that it can allow for a rougher finish, and is probably why it is is looking dripped more on one side than the other.


I bought a pair of these wheels to replace the existing rusty painted wheels on my boat trailer- nice improvement! Here are before and after pictures.


I had both wheels installed this afternoon after receiving the package arrived as scheduled. They look great. See attachments. L.p.pI can't wait to haul stuff with these new sets of wheels on my utility trailer. Great products with excellent service. For sure, i will continue to purchase stuff from etrailer. Thank you.


Great item and fast shipping.Thanks


Always top quality items, shipped fast, excellent communication. Good enough reasons to keep coming back:)


FAST DELIVERY: I ordered online late Sunday afternoon; these were delivered to my porch in West Texas on Wednesday. (I've ordered from eTrailer a few times over the years; same good experience each time.)

I had tried painting my old white wheels; the paint did not stick well, so I threw up my hands and ordered these, which I had previously considered.

APPEARANCE: Now, these are not chrome; they are galvanized and therefore have every right to look like your grandmother's galvanized wash tub. But these (I ordered three) look very much like the photo, which to me appears to be a semi-gloss, slightly uneven chromed look. So these wheels do, at casual glance, appear to have been chrome plated; on closer inspection, the galvanized irregularity is visible, a mildly waxy sheen or such.

My white painted wheels lasted 20+ years, then became a bit rusty; I expect these to last much longer.


People need to read the bad reviews as well. Some of the reviews said the wheels were crap. I thought with the bad reviews, something would have been done about the blemished wheels. I was wrong. My wheels were very disappointing to me. They looked like they covered up rust or something like it. I'm so disappointed in the product, especially after watching your video. Sorry to say "fool me once" I can't see using etrailer ever again.


Just received this rim for a replacement on my boat trailer. Old one got ruined. very quick turn around time from order to delivery. Haven't mounted a tire on it yet but the rim looks to be very good quality.


Ok wheels but had lots of rough areas and excess flashing from the galvanizing that I had to smooth out.


Good quality at a good price. I have tow others on a small trailer, and they have weathered well, no issues withe galv coating etc.


Arrived on time perfect condition.
works perfect and looks great for my boat trailer .
thank you
great product


Excellent product


Exactly what I was looking for, exactly as pictured. Super fast shipping!


Delivered on time & in great shape, product is as advertised, Thanks & will shop when in need


Perfect, just what I wanted and it also came faster than I thought it would. Thank you again for great service at a fair price...........


Looks like a good wheel, likely 4 or 5 rating. I'll be using it as a spare so I won't know how it performs for likely a long time. Delivered quickly.


The rims are holding up good after a year and look good.


Just as described, just what I needed. Great company to deal with! Fast shipping, too.


Super FAST shipping, product BETTER than advertised!! EASY transaction. Will order from again. Thank You!!

Show More Reviews

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

  • Torque Specification for 12 Inch Wheel with 4 Lug Nuts on Boat Trailer
    I have attached a chart for you to take a look at that includes the lug nut torque specifications. If your wheel uses 1/2 inch lug nuts or wheel bolts like the 12 Inch Steel Spoke Trailer Wheel # AM20124 referenced in your question, you will torque them to 75-85 foot pounds. If you have different size lug nuts, then you will just follow the specifications included in the chart for that size on a 12 inch wheel.
    view full answer...
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  • Are the Steel Spoke Trailer Wheel - 12" x 4" Rim Hub Centric or Lug Centeric
    The Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish # AM20124 are lug centric. If you have a hub centric setup then you will not be able to use these wheels and need to match your current pilot diameter. If you have a lug centric setup then the larger pilot diameter of 2.84" will work. The pilot diameter only has to match if you need hub centric wheels, otherwise as long as it is the same size or larger it will work.
    view full answer...
  • What Should I Torque My Lug Nuts To
    In order to determine what to torque the lug nuts on your 14" trailer wheels, you will need to know what size the lug studs on your hubs are. I've attached a helpful chart that will give you the torque specs for a variety of different wheels but you will need to use a dial or digital calipers to measure the diameter of the stud and then torque accordingly.
    view full answer...
    Image 1 for
  • Wheel Weight of the 12" x 4" Rim Americana Steel Spoke Trailer Wheel
    The Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish item # AM20124 weighs 9 lbs. For a great tire I recommend the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire item # AM10130.
    view full answer...
  • Replacement Trailer Tire and Wheel with 5.30-12 with 4 on 4 Bolt Pattern and 2.8 Inch Pilot Hole
    Kenda # AM30790 is the tire and wheel combination you're looking for. It's a 5.30-12, load range C tire with a max capacity of 1,045 pounds at 80 psi. The wheel is a 12-inch white spoke wheel with a 4 on 4 bolt pattern and 2.8 inch pilot hole.
    view full answer...
  • Valve Stem Mount Hole Diameter for the Steel Spoke Trailer Wheel # AM20124
    I went out to the warehouse and found that the hole for the valve stem on the Steel Spoke Trailer Wheel # AM20124 measured about 0.45" in diameter. We actually have the Americana Metal, Bolt-In Valve Stem # AM20906 which will fit perfectly with this wheel an can handle psi ratings over 100 so you never have to worry about the psi rating of your valve stem.
    view full answer...
  • 12 Inch Wheel Recommendation For Trailer
    The galvanizing process on the wheels we offer like part # AM20124, do have a shinier finish. For a more dull traditional finish as you mentioned I recommend the Americana Aluminum Split Spoke Trailer Wheel, part # AM22318HWT. This wheel has a 4 on 4 bolt pattern and is a 12 by 4 inch rim. Also, it has a capacity of 1,220 lbs at 80 psi.
    view full answer...
  • Does Kenda Karrier S-Trail ST145/R12 Load Range D Fit 12" Galvanized Wheel w/ 4 on 4" Bolt Pattern
    You can get the Kenda Karrier S-Trail ST145/R12 (load range D) with the same galvanized wheel that has a 4 on 4" bolt pattern. The tire and wheel come separately so you'd have to get the mounted, but here are the part numbers: - Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range D # AM10130 - Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish # AM20124 Alternatively, if you do want that tire mounted on a wheel, there is one with an aluminum wheel, which...
    view full answer...
  • Recommended Replacement for ST145/R12 Trailer Tires
    Trailer tires are designed to fit on certain wheels so if you have ST145/R12 trailer tires now, you do need to replace your tires with the same size or they won't fit. I recommend the Kenda Karrier S-Trail ST145/R12 Radial Trailer Tire - Load Range D # AM10130 (1,220 lb capacity) or Load Range E # AM10140 (1,520 lb capacity) which will fit the Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish # AM20124. I have added links to video reviews for you to check out as well.
    view full answer...
  • Availability of a ST145/R12 Trailer Tire and Galvanized Wheel Combo
    We offer many wheel/tire combos in size ST145/R12, see link, but none on a galvanized wheel. Of the wheel/tire combos that we offer the part # AM31208 is compatible with the bolt pattern specified on the Dexstar Steel Spoke Trailer Wheel, part # AM20124 you mentioned. The tire and wheel combos we receive are already mounted on rims from the manufacturer. Currently we do not have a machine to mount the tires to rims when these parts are purchased individually. If you buy the Kenda Karrier...
    view full answer...
  • Solution for Getting Taskmaster Trailer Tire # TT53012C Mounted on 4 Lug Wheel
    Since we don't have the # TT53012C mounted on a wheel with a 4 on 4 inch bolt pattern you'd need to also get a 4 lug wheel so you could have it mounted locally like with the part # AM20124 for a galvanized wheel or part # AM20140 for a white wheel.
    view full answer...
  • Speed Rating of Kenda 5.30-12 Bias Trailer Tire with 12" Galvanized Wheel
    The speed rating of the Kenda 5.30-12 Bias Trailer Tire with 12" Galvanized Wheel part # AM30790 is 65 mph. That's pretty much the max for a bias ply tire this size but if you switch to a radial like the Taskmaster 5.30R12 Radial Trailer Tire part # TT53012C you can get up to 81 mph. You will have to add the wheel separate though, it's the Steel Spoke Trailer Wheel part # AM20124.
    view full answer...
  • 4 Lug Trailer Wheel and Tire with Higher Speed Rating
    You'd need to go with the tire part # TT48012C as it's only option for 12 inch wheel that has an 81 mph speed rating and then for a matching wheel part # AM20124 which has the 4 bolt pattern you need. We also don't have a way to mount them here.
    view full answer...
  • What Is The Widest Trailer Wheel That Use The 4 on 4" Bolt Pattern?
    The widest wheel with the 4 on 4" bolt pattern is going to come down to which size wheel you are needing. For example if you are needing a 12" wheel the widest wheel is 4" like the Steel Spoke Trailer Wheel - 12" x 4" Rim - 4 on 4 - Galvanized Finish # AM20124. If you need a 13" wheel the widest wheel is the # AM22322HWTB which is 5" wide, and if you need a 10" wheel the widest wheel is the # AM20041 which is 6" wide. If you are looking for a different size wheel just let me know. I...
    view full answer...
  • Best Trailer Wheel and Tire in Size 4.80-12
    We don't have it pre-mounted to a rim but the best tire for your size is the Taskmaster 4.80-12 part # TT48012C as it has a higher speed rating at 81 mph compared to other options which are only rated for 65. Exceeding the speed rating of a tire is known to cause failure since it causes heat build up. Our most popular wheel then would be the part # AM20124 which has the bolt pattern you need of 4 on 4 inch.
    view full answer...
  • 12 inch Diameter Trailer Wheel and Tire Recommendation with Higher Speed Rating
    The Kenda 4.80-12 Bias Trailer Tire with 12" Galvanized Wheel - 4 on 4 - Load Range C # AM30630 is a good choice for you. Its galvanized wheel will resist corrosion and rust and is perfect for a boat application. This pre-mounted tire and wheel combination comes mounted and ready to install and is rated for highway speeds up to 65 mph. However, you mentioned you wanted higher speeds. If you want a speed rating of 81 mph, you would need to purchase the tire and wheel separately then...
    view full answer...
  • Are Trailer Wheel Hub Bore (Pilot Diameter) Measurements Universal Sizes
    The center hub bore size can vary between wheels so you will need to verify the hub bore size (pilot diameter) before replacing your 8" wheels with 12" wheels. For example, the Steel Spoke Trailer Wheel # AM20124 with the galvanized finish has the 4 on 4" bolt pattern that it looks like you have and a pilot diameter of 2.84". It looks like your current lug nuts sit flush against your wheel and they don't have a cone shape. If this is the case then you will need 60 degree coned lug nuts...
    view full answer...
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  • 5.30-12 Load Range D Tire Mounted on Galvanized Wheel with 4 on 4 Bolt Pattern
    We don't offer a wheel tire combo with a load range D tire, but you could always purchase the # AM10068 and the # AM20124 wheel separately and have them mounted locally. Another option would be to go up to a 13 inch wheel/tire like # AM3S130. This tire is 1 inch wider and would move your tire about 1 inch closer to the underside of the fender/wheel well. As long as you had at least 3-4 inches of clearance when the trailer is loaded, that would work fine for you. The tire is a 175/80-13...
    view full answer...
  • Trailer Wheel and Tire Options for Size 5.30-12 on 4 Lug Trailer Wheel
    Based on the numbers you listed what you have is a trailer tire size 5.30-12 Load Range C on a 12 inch trailer wheel with a 4 on 4 inch bolt pattern. For a combo that covers all of that aside from being a radial we have the # AM30780 for a white wheel or part # AM30790 for a galvanized wheel. None of the combos we offer in this setup have a radial option For just the tire we have the part # TT53012C which will work well and is a radial. Then for a wheel to match this we have the part #...
    view full answer...
  • 12 Inch Radial Trailer Tire and Steel Wheel with 4 on 4 Bolt Pattern for 2005 Jayco Tent Camper
    I have a solution for you, but none of our 12 inch radial tires that are pre-mounted are available on a steel wheel with a 4 on 4 inch wheel bolt pattern. We do have steel 12 inch wheels with 4 on 4 inch wheel bolt pattern available, but the are not offered with a tire already mounted. The best solution will be to get the tire and the wheel and then have a local tire shop mount them for you. For a 12 inch radial trailer tire, we offer the Kenda Karrier S-Trailer ST145/R12 Radial Trailer...
    view full answer...
  • Upgrading Trailer Tires and Wheels For Highway use on Harbor Freight 4x8 Folding Trailer
    From my research on the Harbor Freight 4x8 folding trailer uses 4.80-12 tires on a 12 inch wheel for the 1195 lb capacity trailer and a 5.30-12 for the 1720 lbs capacity trailer. It is a good idea to check your existing tires to see which size they are. I recommend Taskmaster 5.30R12 part # TT53012C If your existing tires on the trailer are 5.30-12. If your existing tires are 4.80-12 I recommend Taskmaster part # TT48012C. Both of these tires are radial tires which are designed to...
    view full answer...
  • Correct Lug Nut Torque for 12-Inch Steel Trailer Wheel
    For a 4-lug steel wheel with 1/2-inch studs like # AM20124 the correct torque range is 75-85 ft-lbs. For a 15-inch steel wheel like the item # TA37RR that you referenced the torque range is 90-120 ft-lbs. In general the larger a wheel is the more torque it requires and steel wheels typically need higher torque than aluminum wheels.
    view full answer...

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Info for this part was:

Employee Jeff D
Installed by:
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Employee Adele M
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Employee Mary K
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Expert Research:
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