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Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility

Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility

Item # 8-174-5UC3
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Dexter Axle Hub with Integrated Drum - 8-174-5UC3
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Install this hub-and-drum assembly on your trailer. Fits 6,000-lb and 7,000-lb axles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, wheel bolts, and lug nuts included. Lowest Prices for the best trailer hubs and drums from Dexter Axle. Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility part number 8-174-5UC3 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (10)
  • Q & A (46)
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Dexter Axle Trailer Hubs and Drums - 8-174-5UC3

  • 5 Spoke Utility
  • For 6000 lbs Axles
  • For 7000 lbs Axles
  • Hub with Integrated Drum
  • Standard
  • Dexter Axle
  • 9/16 Inch Stud
  • 25580
  • 15123

Install this hub-and-drum assembly on your trailer. Fits 6,000-lb and 7,000-lb axles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, wheel bolts, and lug nuts included.


  • Trailer hub-and-drum assembly provides surface area for brake shoes to grip when brake is activated
    • Compatible with electric and hydraulic drum brakes
  • Sturdy iron construction
  • Bearings, races, grease seal, grease cap, wheel bolts, and lug nuts are included
  • Hub and drum are made in the USA


  • Application: 6,000-lb to 7,000-lb trailer axles
  • Drum dimensions: 12" diameter x 2" wide
    • Works with 12" brake assembly
  • Bolt pattern: 5-spoke utility
    • Distance from bolt to bolt: 6-1/2"
    • Distance from bolt to center: 5-3/8"
  • Wheel stud diameter: 9/16"
  • Grease cap flange diameter: 2.446"
  • Weight capacity: 3,500 lbs

Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 25580 (1.75" inner diameter)
    • Outer bearing: 15123 (1.25" inner diameter)
  • Races (included)
    • Inner race: 25520
    • Outer race: 15245
  • Grease seal (included): 10-10
    • Inner diameter: 2.125"
    • Outer diameter: 3.376"

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 - 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 - 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 - Side

Measuring the distance (D) 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"

K08-174-90 Dexter 12" Hub and Drum Assembly for 6K to 7K with Hardware - 5 Spoke Utility

Replaces 8-174-5UC3

Video of Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Dexter Axle Trailer Hubs and Drums - Hub with Integrated Drum - 8-174-5UC3 Review

Today were going to review part number 8-174-5UC3. This is the Dexter Trailer Hub and Drum Assembly for a 5-spoke utility application. This Hub and Drum Assembly will be used on Dexter 6000-lb and 7000-lb axles or on spindles requiring a 2-1/8-inch or 2-1/4 inch inside diameter grease seal. The capacity on this assembly is 3500 lbs each which means when used with another one on the other side of the axle would give you your maximum of 7000 lbs. The drum size is a 12-inch diameter by 2-inch wide. Included with this assembly are the bearing for the inner, part number 25580, for the outer bearing would be 15123, the seal included would be part number 10-1 which is the 2-1/8 inch inside diameter seal and the grease cap that goes on the end of the hub.

Now the bearing races will be also included but they will already be preinstalled into the hub. The outer race would be located right here. The inner race is located right there. All of our Hub and Drum Assemblies will come with the bearing races preinstalled, pressed in. Now this Hub and Drum Assembly is different from most because it is designed with a 5-spoke utility bolt pattern.

As you can see, its a very large bolt pattern. Basically, it attaches by using a wheel that will have actually no center, it will just have the rim on it and it sets down on here and that rim will sit right on this lip right here. And then use the included clamps and nuts and basically what you would do is the clamp is stamped rim on one side wheel on the other so that means you would put this towards the rim side and that to the wheel side and then you put your nut down and that would clamp the wheel thats sitting on there down to the Hub and Drum Assembly. I do want to give you measurement on that. Thats a 12-inch diameter by 2-inch wide drum.

So the 12-inch would be the inside of the drum which is 12 inches. The width would be 2 inches. And that should do it for the review on part number 8-174-5UC3.

Customer Reviews

Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility - 8-174-5UC3

Average Customer Rating:  4.8 out of 5 stars   (10 Customer Reviews)

Install this hub-and-drum assembly on your trailer. Fits 6,000-lb and 7,000-lb axles. Inner bearing (25580) and race, outer bearing (15123) and race, grease seal, grease cap, wheel bolts, and lug nuts included.

- 8-174-5UC3

great hub. Fit exactly like it should will order again if another one goes bad 548175

- 8-174-5UC3

Fit perfectly. All the parts were there all I had to was add grease. Thanks so much for the speedy and free shipping. Love you guys!!! 737774

- 8-174-5UC3

This is an awesome sight. My purchase was correct and timely. I will definitely be ordering from etrailer in the future. Excellent job. 686982

- 8-174-5UC3

item was right the only I had trouble with was the seal after getting it in it keep popping out had to buy different one , Angie was a great help I would definitely use them again 675372

- 8-174-5UC3


- 8-174-5UC3

Excellent 369045

- 8-174-5UC3

Perfect fit! Very easy to install. Delivery was also very fast. We'll done etrailer. 357947

- 8-174-5UC3

It was exactly what I needed. Easy to find on the internet, easy to order. The price was good and the shipping was quick and free. Thank you. 218007

- 8-174-5UC3

Etrailer makes shopping for easy, great pictures and descriptions make it easy to find the right part. This drum was an exact fit for our Dexter brake system on an older tri-axle. We replaced all 6 and they look and fit as the original. 190247

- 8-174-5UC3

Excellent service, fast ,great product 127043


Ask the Experts about this Dexter Axle Trailer Hubs and Drums

  • Replacement Axle and 5 Spoke Utility Hubs for Older Triple Axle Trailer
    The Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility # 8-174-5UC3 are the only hubs we have with that bolt pattern to fit your wheels. Based on the measurements you gave, you will then use the Dexter Trailer Axle Beam with E-Z Lube Spindles - 89" Long - 6,000 lbs # 8327830. From the sound of where you measured to the center of your tire, any offset if you have one won't be much and will work with this combination. Then if you have electric...
    view full answer...
  • Should I Use the Dexter Trailer Hub/Drum with 5 Lug Utility Instead of 8 on 6-1/2 Inch Bolt Pattern
    The Dexter Trailer Hub and Drum Assembly part # 8-174-5UC3 uses a very odd 5 lug bolt pattern that the vast majority of trailer wheels will not accommodate therefore this is a major disadvantage over the standard 8 on 6-1/2" bolt pattern. The 5 lug bolt pattern that the above uses is not the same as the common 5 on 4-1/2" bolt pattern if that is what you were thinking. The minimal savings that you incur would be soon offset by the difficulty of find a matching wheel/tire. I recommend...
    view full answer...
  • Grease Seal Recommendation for Trailer Hub with Bearing 15123
    The bearing part # 15123 is most commonly associated with the trailer hub part # 8-174-5UC3 which takes a grease seal of 10-10 part # RG06-090.
    view full answer...
  • Would the Hub and Drum # 8-174-5UC3 Fit My Mobile Home Axle
    Typically mobile home axles use spindles that are very hard to fit hub/drums to because they are designed for one time use. To determine if the # 8-174-5UC3 would fit you would need to remove your current hubs and get some exact measurement of the spindle. Where the seal rides needs to be 2-1/8 or 2-1/4 inches in diameter. Where the inner bearing rides needs to be 1.750 inches and where the outer bearing rides needs to be 1.25 inches. If all of these measurements check out the # 8-174-5UC3...
    view full answer...
  • Recommended Brake Assemblies and Hub/Drum Assemblies for 7,000 lb Axle
    With the 7,000 lb axle capacity and the bearings you gave, I can give you what will fit your trailer regardless of brand name. For your trailer brake assemblies, I recommend the Electric Trailer Brake Kit - Self-Adjusting - 12" - Left and Right Hand Assemblies - 5.2K to 7K # AKEBRK-7-SA. These assemblies will need adjustment only at initial install and then will adjust as needed to optimize your braking performance. For your hub/drum assemblies, I recommend the Dexter Trailer Hub...
    view full answer...
  • Replacement 5 Spoke Utility Hub for Home Built Trailer
    The Dexter Trailer Hub and Drum Assembly # 8-174-5UC3 referenced in your question uses the same inner bearing # 25580 as your existing hub assembly but a slightly different outer bearing # 15123. With that being said, this particular outer bearing has the same 1.25 inch inner diameter as the # LM67048 that your current hub uses, so this hub will still fit the spindle on your trailer. This Dexter Hub also uses the same 10-10 grease seal, so this hub will work great and there should be no...
    view full answer...
  • What is Size of Lug Nuts Used on Dexter Trailer Hub and Drum Assembly # 8-174-5UC3
    The Dexter Trailer Hub and Drum Assembly, part # 8-174-5UC3, includes the lug nuts and rim clamps that hold the wheel on to the hub. The lug nuts are part # 916N and have a 9/16-inch fine thread. The replacement stud that is installed in the hub portion of the # 8-174-5UC3 hub and drum assembly is the Screw-In Wheel Stud, part # 25-11. This stud has lug nut end thread size of 9/16-inch fine thread and the hub end thread size of 9/16-inch coarse. The coarse end of the stud is what screws...
    view full answer...
  • Standard Style of Trailer Hub To Replace Dexter 8-174 on Mobile Home Axle
    We have the part # 8-174-5UC3 which is an exact replacement for your hub, for a more standard style of hub/drum that will fit the spindle you instead would want the part # 8-201-9UC3-EZ which has the very common bolt pattern of 6 on 5-1/2 inch.
    view full answer...
  • Diameter of the Grease Cap for the Dexter Trailer Hubs and Drums # 8-174-5UC3
    The replacement grease cap for the Dexter Trailer Hubs and Drums # 8-174-5UC3 that you referenced is the Grease Cap part # RG04-060. This cap has a flange diameter of 2.446". For a tool to drive this cap on you would want the part # 290-992. If you were looking for Bearing Buddies for this hub you would want part # BB2441.
    view full answer...
  • Replacing Dexter 5 Spoke Utility Hub with Hub and Drum that has Standard Bolt Pattern
    It sounds like you are wanting to replace a 5 spoke utility hub and drum like # 8-174-5UC3 on your trailer with a traditional hub that features a standard bolt pattern. In order to see if there is a compatible replacement available, you will just want to first pull the existing hub and check for the bearing numbers that are used. The numbers should be stamped right inside the bearings themselves. You can also take a few measurements along the spindle where they sit if you are unable to...
    view full answer...
  • Mounting 5 Spoke # 8-174-5UC3 Trailer Hub to Rim
    Typically the hub would be dropped into the rim from the rear until it seats on the lip that runs around the inside of the rim. The rim clamps would then be put in place, and evenly tightened to secure the hub to the rim. If the hub is not seated fully against the rim, and if the clamps were unevenly tightened it would explain the oscillation or wobble you are experiencing. It is also possible that your rim is warped or bent, which would also cause the problem.
    view full answer...
  • Availability of 7k Leaf Spring and 5 Spoke Utility Hub for Dexter 7.2k Axle
    We have leaf springs that will work for you, the PR6 is a 24-7/8 inch 7k rated double eye leaf spring. Then for a hanger kit that comes with equalizers, hangers and hardware you would want the part # APT5. The hub you mentioned is our part # 8-174-5UC3. This comes with bearings. For easy lube caps though you would need the part # RG04-080. I wish we had the axles you are looking for, but we only carry a select few axles at this time and none of them have the dimension/capacity that...
    view full answer...
  • What Bolts are Needed to Mount Dexstar Vintage Trailer Wheel # AM20501
    The Dexstar Vintage Wheel you mentioned, part # AM20501 is typically lug-centric, which means that it would mount to a hub that has wheel studs and would use lug nuts, not lug bolts. The wheel usually goes on a hub like part # 8-174-5UC3, which also uses clamps to join the hub to the rim. If for some reason your existing hubs use lug bolts, you'd need to determine the length and diameter of the bolt needed as well as the thread pitch of the bolt. Since in my experience, these hubs usually...
    view full answer...
  • Replacement Bearings and Hubs for Hudson Tandem Trailer
    The easiest way to find replacement bearings and a compatible replacement hub is to locate the original bearing part numbers. The linked photo shows the typical location and appearance of these part numbers. If you cannot find part numbers you can measure your spindle to three decimal places (such as 1.234) using a precision caliper like # PTW80157. If you find your bearing numbers you can simply search our site using those numbers. If you have dimensions you can use the linked page...
    view full answer...
  • Hydraulic Trailer Brake Assemblies Compatible with the Dexter 8-174-5UC3 Hub Drum Assemblies
    The Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility # 8-174-5UC3 is compatible with either the Dexter Hydraulic Drum Brake Kit - Duo Servo - 12" - Left and Right Hand Assemblies - 7,000 lbs # 23-336-337 or the free backing Uno Servo # 23-342-343. The Duo Servo option will give you the best braking capacity with those hubs so that is my recommendation.
    view full answer...
  • Replacement Hubs for a Hudson Bros. Trailer with 5-Spoke Utility Hubs
    Dexter hub # 8-174-5UC3 uses the 5-spoke utility bolt pattern so it is uncommon just like the hub you have. If your existing hub uses inner bearing 25580 and outer bearing 15123 with a seal inner diameter of 2-1/8 inches then this hub is a likely fit. The bearing numbers and seal are key.
    view full answer...
  • Replacement Rim Clamps and Wheel Bolts for 5 Spoke Utility Hub
    By 'blocks', I'm assuming you're speaking of rim clamps, which we sell individually as part # 15-2. The 5 spoke utility rims we offer, part # 8-174-5UC3 use wheel studs, not bolts. To determine if we carry a wheel bolt that would work for you, I'd need to know the diameter, whether the existing bolts use a fine or a coarse thread and the length of the wheel bolts currently used with your hubs. I've linked you to our selection of wheel bolts, you can compare your bolts to these or simply...
    view full answer...
  • Replacement Hubs to Fit Bearings 25580 and LM67048 with 5-Spoke Utility Bolt Pattern
    The only 5-spoke utility hub we carry is part # 8-174-5UC3 which is a hub and drum assembly. The bearing numbers are # 25580 and # 15123. Obviously this is a different outer bearing number than what you have but it has the same inner diameter as # LM67048 so it still fits your spindles and will work for you. We don't carry an idler hub with that bolt pattern. If you want to use and idler hub on one axle and a hub and drum assembly on the other you do have the option of changing your...
    view full answer...
  • Common Torque Specifications for Lug Nut Size
    The torque for the Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles - 12" - 5 Spoke Utility # 8-174-5UC3 is not specified by the manufacturer. For 9/16 inch studs, the typical lug nut torque will be 120-140 ft lbs based on most of our manufacturers. I've attached a photo of typical torque values to assist.
    view full answer...
  • Hub Size and Axle Weight Rating to Fit Bearings 25580 and LM67048
    Based on the bearing sizes # 25580 and # LM67048, there are two possible hubs that will fit. The first has a wheel bolt pattern of 6 on 5-1/2 and fits axles rated for 5,200 lbs to 6,000 lbs. This hub can be purchased with the standard hub assembly # 8-213-5UC1 or the E-Z Lube axle hub assembly # 8-213-5UC1-EZ. Your bearing combination indicates that your axle capacity is 5,200 lbs. The other hub option has a bolt pattern of 6 on 6 and fits axles rated for 6,000 lbs. This hub can...
    view full answer...
  • How to Pick Out Replacement Hub for Trailers
    In order to pick out the correct hub assembly for a trailer you are going to need know a few key pieces of information. The first thing you will need to know is the bolt pattern of your hubs. This is so you get a hub that is compatible with your wheels. I attached an FAQ article on determining bolt pattern for you to check out. Next thing you will need to know is what spindle you have on your trailer. In order to do that you can either get the inner and outer bearing numbers from a hub...
    view full answer...
  • How To Remove Broken Wheel Stud on the Dexter Trailer Hub & Drum Assembly # 8-174-5UC3
    On the Dexter Trailer Hub & Drum Assembly, part # 8-174-5UC3, the wheel studs are a screw-in stud. The wheel stud would be the Trailer Hub Wheel Stud, part # 25-11. This is a 9/16 inch stud that has a total length of 3 inches.
    view full answer...
  • Parts Needed for Hub and Drum Assembly for Rebuilt Trailer
    If you have hub and drum assembly # 8-174-5UC3, which you referenced, the assembly comes with the bearing sand seals. However, the replacement parts are: # 25580 Inner bearing # 15123 Outer bearing # RG06-090 seals # RG04-060 Grease Cap # 15245 Race # 916N lug nuts The lug nuts won't need washers. We do not sell backing plates separately. If you need backing plates and brake shoes, you are better off pricewise to purchase a new brake assembly like # AKEBRK-7R-SA and # AKEBRK-7L-SA. If...
    view full answer...
  • How To Determine if 5 Spoke Utility Hub 8-174-5UC3 would Fit Trailer Spindle
    The part # 8-174-5UC3 could fit your spindle but you have to check the bearing numbers that are in your current hub or measure the spindle where the bearings ride. The bearing numbers that you'd need would be 25580 and 15123 and the dimensions are 1.750 inch and 1.250 inch.
    view full answer...
  • Are There Different Size Wheel Clamps # 15-2
    We only carry the Redline Wheel Rim Clamp # 15-2 which is specifically made for the Dexter Axle Hub and Drum Assembly # 8-174-5UC3. I suppose if you have different hub and drum assemblies then it is possible that they would use different clamps but that would depend on their design. Do your axles have the same weight rating or are they completely different? If this is the case then you really need to change them out so that they match. If they are different weight ratings then that...
    view full answer...
  • What to Inspect on Trailer Brakes, Drums, and Bearings
    Starting with the brakes if the pads on the shoes are cracked or if the wear indicators are showing then they should be replaced. If there are no wear indicators and you notice weak braking with the brakes adjusted out then they would need to be replaced. For magnets if you can see the copper windings coming through the magnets will need to be replaced. For the drums look for any discoloration, scoring, cuts, scrapes, gashes, and things like that. If present then the drums should...
    view full answer...
  • What is the Bolt Pattern on Mobile Home Hub & Drum Assembly # 8-174-5UC3
    I spoke with my contact at Dexter and he said the Bolt Pattern on Mobile Home Hub & Drum Assembly # 8-174-5UC3 is 5 on 10-1/8". I have included links to a video review of this hub and drum assembly and a FAQ article about how to determine bolt patterns for you to check out.
    view full answer...
  • Removing Broken Studs in Hubs on a Mobile Home Hub Assembly and Replacement Parts Information Needed
    According to my technical contact at Dexter Axle the studs on a mobile home axle are a screw in style of stud. To remove and extract the stud without damaging the existing threads for the studs would be very difficult. It is possible to drill out the studs and use a tap system, but make sure not to damage the existing stud threads on the hub. If the threads are damaged then using replacement studs would not be a realistic solution. Their recommendation would be replace the entire hub...
    view full answer...
  • One Out of Four Trailer Hubs or Wheels Causes Tire to Rub against Trailer
    It probably isn't the drum that is the problem. It is probably the wheel. Some wheels have an offset meaning the mounting surface of the wheel is not right at the center. In this case the mounting surface would be further away from the trailer which moves the tire closer. You can determine if it is the wheel by taking it off the trailer and comparing it to one of the other wheels. To do this lie the wheels face down on the ground. Lay a flat board or yardstick across the tire on each...
    view full answer...

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