Dexter Trailer Hub Drum Assembly - 9K to 10K - 8 on 6.5 - Oil Bath - Non-ABS Drum - After July 2009

Dexter Trailer Hub Drum Assembly - 9K to 10K - 8 on 6.5 - Oil Bath - Non-ABS Drum - After July 2009

Item # 8-430-5UC3

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Trailer Hubs and Drums

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Dexter Axle 387A Trailer Hubs and Drums - 8-430-5UC3
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Hub-and-drum assembly fits 9K to 10K axles manufactured after July 2009. Inner bearing (387A) and race, outer bearing (25580) and race, oil cap with plug and seal, wheel retaining ring, lug nuts, and studs included. Drum is for non-ABS brakes. Lowest Prices for the best trailer hubs and drums from Dexter Axle. Dexter Trailer Hub Drum Assembly - 9K to 10K - 8 on 6.5 - Oil Bath - Non-ABS Drum - After July 2009 part number 8-430-5UC3 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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  • Reviews (1)
  • Q & A (25)
  • Videos (1)
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Dexter Axle Trailer Hubs and Drums - 8-430-5UC3

  • 8 on 6-1/2 Inch
  • For 9000 lbs Axles
  • For 10000 lbs Axles
  • Hub with Integrated Drum
  • Oil Bath
  • 16 Inch Wheel
  • 16-1/2 Inch Wheel
  • 17 Inch Wheel
  • 17-1/2 Inch Wheel
  • Dexter Axle
  • 387A
  • 25580

Hub-and-drum assembly fits 9K to 10K axles manufactured after July 2009. Inner bearing (387A) and race, outer bearing (25580) and race, oil cap with plug and seal, wheel retaining ring, lug nuts, and studs included. Drum is for non-ABS brakes.


Features:

  • Trailer hub-and-drum assembly non-ABS provides surface area for brake shoes to grip when brake is activated
    • Compatible with electric and hydraulic drum brakes
  • Oil bath lets you check lubricant level without disassembling the hub
    • Look through clear oil cap to check lubrication
  • Sturdy iron construction
  • Bearings, races, oil seal, oil cap, wheel bolts, and lug nuts are included
  • Hub and drum are made in the USA


Specs:

  • Application: Dexter 9,000-lb and 10,000-lb general duty axles
    • Works with axles manufactured after July 2009
  • Wheel size: 16" to 17-1/2"
  • Bolt pattern: 8 on 6-1/2
  • Pilot hole diameter: 4-3/4"
  • Drum size: 12-1/4" x 3-3/8"
  • Weight capacity: 5,000 lbs


Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: 387A (2.250" inner diameter)
    • Outer bearing: 25580 (1.750" inner diameter)
  • Races (included)
    • Inner race: 382A
    • Outer race: 25520
  • Unitized oil seal (included): 10-51
    • Inner diameter: 2.875"
    • Outer diameter: 3.880"
  • Oil cap kit (included): RG04-300
    • 21-88 Cap
    • 10-163 O-ring
    • 46-32 Plug

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"


008-430-90 Dexter Hub and Drum Assembly for 9,000-lb to 10,000-lb Axle with Hardware - 8 on 6-1/2 - Oil Bath - Non-ABS







Video of Dexter Trailer Hub Drum Assembly - 9K to 10K - 8 on 6.5 - Oil Bath - Non-ABS Drum - After July 2009


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 - 8-430-5UC3 Review

Speaker 1: Today we're taking a look at the Dexter trailer hub and drum assembly, this is a non-ABS drum. The trailer hub and drum assembly provides surface area for brake shoes to grip when the brake is activated.It is compatible with electric and hydraulic drum brakes. This is an oil bath assembly and so once you have it installed it has this clear cap that goes over the end here and that's gonna let you check lubricant level without disassembling the hub so you can look through the clear oil cap to check lubrication. It's a really nice design of the unit.It's made from a sturdy iron construction and it comes with everything that's needed so you have your inner and outer bearings, races are already installed, and the oil seal, the oil cap, you have the wheel retaining ring, the wheel bolts, as well as the lug nuts, all of that's included. This product is made in the USA, it's designed for Dexter 9,000 pound and 10,000 pound general duty axles and it'll fit a wheel size of 16 inches to 17 and a half inches.The bolt pattern on the unit, again these are already pressed into place, this is an eight on six and a half inch pattern. The pilot hole diameter is four and three-quarter inches, and when it comes to the drum size it's 12 and one-quarter by three and three-eighths.

So 12 and one-quarter would be the diameter measurement and then three and three-eighths would be the width measurement.Weight capacity, 5,000 pound per hub so combined with another hub that would give you that 10,000 pound capacity which again makes it idea for a 9,000 pound and 10,000 pound general duty axle. Now this hub and drum assembly is for the Dexter axles manufactured after July of 2009.That's gonna do it for today's look at the Dexter trailer hub and drum assembly.


Customer Reviews

Dexter Trailer Hub Drum Assembly - 9K to 10K - 8 on 6.5 - Oil Bath - Non-ABS Drum - After July 2009 - 8-430-5UC3

Average Customer Rating:  5.0 out of 5 stars   (1 Customer Reviews)

Hub-and-drum assembly fits 9K to 10K axles manufactured after July 2009. Inner bearing (387A) and race, outer bearing (25580) and race, oil cap with plug and seal, wheel retaining ring, lug nuts, and studs included. Drum is for non-ABS brakes.

- 8-430-5UC3
by:

Parts arrived in time and was just what we needed. Quick and accurate ordering system. 563549


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Ask the Experts about this Dexter Axle Trailer Hubs and Drums

Do you have a question about this Trailer Hubs and Drum?


  • Replacement Bearings and Seal for Dexter 10k Trailer Hub
  • The bearings you need are # 387A for the inner bearing, # 25580 for the outer bearing, and for the seal # 10-51 since we know you have a 10k Dexter axle. For brake assemblies you'd need the part # 23-450 for the left hand side and part # 23-451 for the right hand side. For a hub you'd need # 8-430-5UC3.
    view full answer...

  • Replacement Oil Seal and O-Ring for Dexter Drum Hub with Oil Bath
  • The Dexter Trailer Hub and Drum Assembly - 9,000-lb to 10,000-lb - 8 on 6-1/2 - Oil Bath - Non-ABS Drum # 8-430-5UC3 does have replacement parts so you can absolutely purchase the seal and o-ring separately from the entire hub. The seal is the Unitized Oil Seal # 10-51 and the o-ring is # 92127. If you want the entire too the Replacement Oil Cap Kit for 9,000-lb and 10,000-lb Dexter Axle # RG04-300 consists of the cap, the plug, and the o-ring. If you need more oil, I recommend the...
    view full answer...

  • Converting Hydraulic Brakes To Electric On Tri-Axle Livestock Trailer
  • Most hubs are compatible with electric and hydraulic brakes. The 10,000 lb axle 12-1/4 inch diameter Dexter hub and drum assembly part # 8-430-5UC3 that we carry is hydraulic and electric brake compatible which may be what you have. If you can tell me the part number of the Dexter hubs and drums you have specifically I can find out if they are compatible. If your hubs are compatible, I recommend Dexter Electric Brake Kit part # 23-434-435. These Dexter brakes measure 12-1/4" diameter...
    view full answer...

  • Replacement Hub and Drum for Dexter 10K Axles with 008-214-05 Hubs
  • The hub you need is # 8-214-5UC1. Since it is separate from the drum you would not need to replace both unless it is time to replace the drum as well if it is worn or damage. If it is then the drum part is # 9-27-1. We also have the mounting bolt for this hub assembly, # 7-103.
    view full answer...

  • Hub and Drum Assembly with 8 on 6-1/2 Bolt Pattern for Dexter 10,000 Pound Trailer Axle
  • The Dexter 8-427 hub is no longer available. Even looking through Dexter's site the only references to it are replacement bearings. You can use a wheel with a larger pilot hole as long as the wheel attaches to the hub using lug nuts and not bolts. Hub and drum assembly # 8-430-5UC3 uses lug nuts to secure the wheel to the hub and uses inner bearing 387A and outer bearing 25580.
    view full answer...

  • Does Brake Width Matter for Brake Assemblies on a 10K Trailer Axle
  • The closest brake assemblies that we have to your 12-1/2" x 3-1/2" measurements come in the Brake Kit # 10257-59 and are 12-1/4" x 3-1/2". The most common measurements for a 10K axle (which from your measurements sounds like you have) are 12-1/4" x 3-3/8" which are found in the Brake Kit # AKEBRK-10 that you referenced. The 12-1/2" diameter measurement that you took is a bit unusual and I couldn't find anything that matches. If you measured your hub and drum assembly then it is possible...
    view full answer...

  • 10k Dexter Replacement Hub for a 8-415
  • I did some checking and the hub/drum we offer that will work for you is the part # 8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS setup. The part number for the ABS version is part # 8-430-7 which we do not carry at this time.
    view full answer...

  • Replacement Hub and Drum Assembly for a Dexter 10K General Duty Axle 387A Inner and 25580 Outer
  • We have exactly what you are looking for. If your axles were made before 07-01-2009, then you have the old style 2-piece hub and drums, so you will want the Complete Hub Assembly, # 8-288-3UC1. Keep in mind, this does not include the drum. If you also need the drum, then you will want part # 9-44-1 for a non-ABS drum or part # 9-44-3 for a drum with the ABS exciter ring installed and 8 drum mounting bolts, # 7-245. The hub assembly comes with the races already installed and it includes...
    view full answer...

  • Electric Drum Brake and Hub/Drum for 10K Axle
  • I linked our main page for all electric drum brakes rated for a 10K axle. These are all 12-1/4-inch diameter but vary in width; 3-1/2-, 3-3/8- and 4-inch widths are available. We have these in both manual-adjust and self-adjust types. For example, part # AKEBRK-10 is a high-value pair of self-adjusting left- and right-hand brakes in the 12-1/4 x 3-3/8 inch size which fits wheels 15-inches in diameter and larger. These brakes use a 7-bolt mounting pattern. We do offer a 10K oil bath...
    view full answer...

  • Why Are There Different Brake Drums for 9,000 and 10,000 lb Axles After July 1, 2009?
  • The Dexter Trailer Hub/Drum Assembly # 8-430-5UC3 is a one piece assembly, hub and drum together. It fits Dexter 9k and 10k general duty axles made after 07/01/2009. Hub # 8-288-3UC1 is a 2 piece for 9K axle (after 10/89) and 10K axle (through 7/1/09). It does not come with the drum or mounting bolts. Dexter changed their spindle diameters on these two capacity (9,000 and 10,000 lb) axles. The biggest difference was in the inner diameter of the seal needed.
    view full answer...

  • Replacement Brake Assemblies and Hubs for a Dexter Axle SLR D-90
  • The correct hubs you would need for your Dexter D-90 axle is the part # 8-430-5UC3. The D-90 in your axle number designates is a 9k axle. For assemblies you would need part # 23-451 for the right hand side and part # 23-450 for the left hand side.
    view full answer...

  • Hub and Electric Brakes for Dexter SLR D90 9000-lb-Rated Axle
  • Thank you for the photo of the brake assembly from your Dexter SLR D-90 9K axle. The correct hub you need for your Dexter D-90 axle is the part # 8-430-5UC3 which includes bearings, races, oil seal, oil cap, wheel bolts, and lug nuts. With this hub you can use Kodiak Synthetic Bearing Oil # XLPROLUBE. For brake assemblies you can use part # 23-451 for the right side brakes and part # 23-450 for the left side.
    view full answer...

  • Is Dexter Trailer Hub/Drum Assembly # 8-430-5UC3 a 1-Piece or 2-Piece Assembly
  • Dexter Trailer Hub/Drum Assembly # 8-430-5UC3 is a one piece assembly, hub and drum together. It fits Dexter 9k and 10k general duty axles made after 07/01/2009. Hub # 8-288-3UC1 is a 2 piece for 9K axle (after 10/89) and 10K axle (through 7/1/09). It does not come with the drum or mounting bolts. For a non-ABS drum use # 9-44-1. For an ABS version use # 9-44-3. And for the mounting bolt use # 7-245 (quantities of 1).
    view full answer...

  • How To Determine The Correct Wheel Hub And Drum Assembly For Big Tex AC20 Car Hauler Trailer
  • We do have some options that might work for you. To be certain of the right choice, you will need to know your bearing sizes and the manufacturing date of your axle. Details about your axle can be found on a sticker or plate that will be on your axle (see picture). If your Dexter axles were manufactured prior to July 2009 and your inner bearing is like Item # 387A and your outer bearing is like Item # 25580 then the Dexter Trailer Idler Hub Assembly, # 8-288-3UC1, will work for...
    view full answer...

  • Do You Have Trailer Hub Assemblies Rated For 8,500 lb Capacity?
  • We currently have two trailer hub assemblies that will work with that weight capacity. We have the Dexter Trailer Hub/Drum Assembly - Non-ABS Drum - 9,000 - 10,000-lb Axles - 8 on 6-1/2 - Oil Bath # 8-430-5UC3 and the Dexter Trailer Hub Assembly - 9,000-10,000-lb Axles - 8 on 6-1/2 - Oil Bath # 8-288-3UC1 which is an idler hub (no brakes). Both assemblies use the 2.250 inch inner diameter for inner bearing and 1.750 inch inner diameter for the outer bearing. The oil seal has an 2-7/8...
    view full answer...

  • What Bearings and Grease Seals Does a 10,000 Lb Trailer Axle Use
  • If you have a standard 10,000 lb trailer axle then you will need to use a 387A (2.250") inner bearing, 25580 (1.750") outer bearing, and a 10-51 (2.875") grease seal like what is included with the Dexter Trailer Hub and Drum Assembly part # 8-430-5UC3. However, not all 10,000 lb trailer axles use the same bearings and seals therefore you will be wise to measure the spindle where the bearings and seals ride with a digital caliper like part # 301-17068 beforehand. The Electric Trailer...
    view full answer...

  • Replacement Wheel Studs for Dexter P-12 D90 Axle
  • Thanks for the photo. It gives me the further information needed to assist. The P-12 only gives the factory location from Dexter. The D-90 model is a huge help as it designates is a 9k axle. The correct hubs you would need for your Dexter D-90 axle is the part # 8-430-5UC3. Then the wheel stud replacements are # 7-223 for a 2 inch length or # 7-257 for a 2-1/2 inch length.
    view full answer...

  • Hydraulic Drum Brake to Electric Drum Brake Conversion for Gooseneck Trailer w/ 10,000 LB Axles
  • Yes, you can convert the hydraulic drum brakes to electric drum brakes on your gooseneck trailer. I have included the link to all of our electric brake assemblies for a 10,000 lb axle. Just use the filters on the page to see if we have one that will work for you. I do recommend replacing your hub/drum assembly as well because not all hub/drum assemblies will work with both hydraulic and electric brake assemblies. We only offer one option for a 10,000 lb axle and that is part # 8-430-5UC3....
    view full answer...

  • Determining the Weight Capacity of Axles and If Hubs Are Available
  • Unfortunately we don't carry hubs above 10K. The largest hubs we carry are 9K-10K Dexter Hub and Drum Assemblies # 8-430-5UC3. I have no way of knowing what hubs may work on your trailer unless you measure the spindles using a digital caliper like # PTW80157. I've attached a photo to assist with the locations. These measurements will possibly help to determine the capacity of your axle, but any hubs that may fit will limit your axle capacity to the max capacity of the hubs.
    view full answer...

  • What Size Drive-In Studs are Used on Hub #8-430-5UC3
  • Trailer Hub Assembly # 8-430-5UC3 comes with 5/8 inch diameter drive-in studs. These are available separately in a set of 4, # RG03-120. I have linked the studs to this page for your convenience.
    view full answer...

  • What Is the Weight Capacity Of a Dexter D100G Axle
  • The spoke with Dexter and the code "D100G" tells me you have two 10,000 lb trailer axles. I have attached some parts you may need for the axle below. Dexter Trailer Hub Drum Assembly (After July 2009) - part # 8-430-5UC3 Dexter Trailer Hub and Drum Assembly (Before July 2009) - part # K08-288-90 Dexter Electric Trailer Brake Kit (12-1/4" x 4") - part # 23-438-439 Dexter Hydraulic Drum Brake Kit (12-1/4" x 4") - part # 23-404-405 Inner Bearing - part # 387A Inner Race - part #...
    view full answer...

  • Availability of Spindle for 10,000 lb Trailer Axle
  • As you may have noticed, the highest capacity spindle we carry is for a 6,000 lb agricultural axle, # AS6000F or # AS3000F. Your best bet is to source the spindles for a 10,000 lb axle through a local trailer shop or dealer. You can also try your luck using a search engine to see what options pop up for you online. If are able to source the spindles, we do have hubs for 10,000 lb axles. I'll list them below: # 8-430-5UC3 - Dexter Hub Drum for 9K to 10K axles manufactured after July...
    view full answer...

  • Can a 1-Piece 9K/10K Dexter Hub and Drum be Replaced with a 2-Piece 9K/10K Hub and Drum
  • I spoke directly with my technical contact over at Dexter. Basically you cannot replace an 8-430 hub with an 8-288 hub due to differences in the spindles that each of those hubs fit. If your axle was made after July of 2009 then you will need to use # 8-430-5UC3. If it was made before July of 2009 you would instead use # 8-288-3UC1 with drum # 9-44-1 for non-ABS systems or # 9-44-3 for ABS systems.
    view full answer...

  • When is Wheel Retainer Ring Needed for Dexter Hubs and Wheels
  • The wheel retainer ring that is included in certain hub assemblies like the Dexter # 8-430-5UC3 that you referenced will be installed on dual wheels when tapered coned lug nuts like # 6-109 are used instead of flange wheel nuts. It essentially allows you to use a lower torque spec for the nuts which would be required when using coned nuts.
    view full answer...

  • Replacement Hub Drum for Dexter 10k Axle
  • You could take the drum to a machine shop that can turn drums to see if it's good or bad, but typically if you can tell yours is warped it's probably time to replace it. For a 10k Dexter brake drum we have the part # 8-430-5UC3 which is an exact replacement.
    view full answer...


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Info for this part was:

Expert Research:
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Expert Research:
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Written by:
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Updated by:
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Updated by:
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