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Expert Answers about Trailer Hubs and Drums


  • eTrailer Axle Technology Trailer Hub and Drum Assembly compared to Titan Hub and Drum
  • In comparing the eTrailer Axle Technology Trailer Hub and Drum Assembly, # AKHD-545-35-EZ-K, with the Titan Hub and Drum, # T1543900CB042, there are very few differences. The differences are mostly in the casting of the part, not in the function or fit of it. Both assemblies will work on the same 3500 lb axle and # 84 spindle. They are both designed to use the same inner and outer bearings and fit a 10 inch assembly. Either one will work just fine for your application. As far as a hole...
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  • Difference Between an Idler Hub and a Hub/Drum
  • The Dexter Trailer Hub Assembly you referenced, part # AKIHUB-440-2-1K is known as an idler hub. An idler is a hub that is no provisions for trailer brakes. It has no brake drum. Part # 8-276-5 is an example of a hub/ drum that has a brake drum that can be used with a brake assembly like part # 23-47. The # AKIHUB-440-2-1K would be an acceptable replacement for an idler hub with a 4-on-4 bolt pattern that uses # L44643 inner and outer wheel bearings.
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  • Comparing Dexter Trailer Hub and Drum Assembly 8-219-4UC3-EZ and 8-219-4UC3
  • The Dexter Trailer Hub and Drum Assembly # 8-219-4UC3 fits a standard #42 Spindle # TRU57FR. While the Dexter Trailer Hub and Drum Assembly # 8-219-4UC3-EZ fits a E-Z Lube #42 Spindle # TRU37FR. You will need to select the appropriate assembly based on your spindle.
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  • Comparing Trailer Hub and Drum Assembly # 8-173-16UC3 with # 8-276-5
  • Basically, an electric brake assembly is going to be a 7 x 1-1/4 inch while a hydraulic brake assembly will be a 7 x 1-3/4 inch. If you are using electric brakes on the trailer, go with Trailer Hub and Drum Assembly, # 8-173-16UC3. For hydraulic drum brakes, use Trailer Hub and Drum Assembly, # 8-276-5.
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  • Difference in Dexter Hub and Drum Assemblies, # 8-201-5UC3, and, # 8-201-5.
  • The difference is that the Dexter Trailer Hubs and Drums, # 8-201-5UC3, includes the bearings, cap and seal. The Dexter Trailer Hubs and Drum, # 8-201-5, does not include the bearings, cap and seal.
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  • Difference Between Dexter Hub and Drums 42866UC3 & 42866UC3-EZ
  • The only difference between the Dexter Trailer Hub and Drum Assembly # 42866UC3-EZ and the Dexter Trailer Hub and Drum Assembly # 42866UC3 is that # 42866UC3-EZ is designed to be used with #42 E-Z lube spindles and # 42866UC3 is meant for regular #42 spindles. Other than that, # 42866UC3-EZ and # 42866UC3 are the same.
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  • Is Lippert Trailer Hub and Drum Assembly 814200 The Same As The Dexter 84546UC3-EZ?
  • The Lippert 10" Brake Hub and Drum assembly 814200 you mentioned would work just fine on a 3500lb axle as it uses the common 3500lb bearing combination of # L68149 and # L44649 but we do not carry that hub. Instead I recommend the Dexter Trailer Hub and Drum Assembly for 3,500-lb E-Z Lube Axles - 10" Diameter - 5 on 4-1/2 # 84546UC3-EZ you mentioned as it has the same bearing combination, and will fit perfectly on your 3500lb axle. I included a video of the # 84546UC3-EZ for you to take...
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  • Replacement Trailer Brakes and Hub and Drums on Trailer with 3,500 Pound Axle
  • Both the etrailer.com and Dexter hubs are high quality parts and offer the same fit, performance, and warranty. The cost difference is based on our cost so the savings is passed on. Neither of them have an issue with being out of round or need to be resurfaced before installation. The brake assemblies I recommend for your 3,500 pound axles is # AKEBRK-35-SA. These are self-adjusting so they will need to be adjusted at set up and then left alone. Both the left and right hand brakes...
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  • Replacement Trailer Hub and Drum Assembly for Dexter 8-389-91
  • I spoke with my contact at Dexter and she informed me that the Dexter # 8-389-81UC3 on our site and the 8-389-91 on your trailer are essentially the same. Basically, the 8-389-91 usually refers to the the complete hub and drum assembly while the -81 part number is simply the hub/drum and cartridge. However, the Dexter # 8-389-81UC3 on our site actually includes the entire assembly, so in this particular case, the two part numbers are exactly the same. The # 8-389-81UC3 will fit perfectly...
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  • What is The Difference In The Dexter Trailer Hub/Drum Assemblies # 84656UC3 & # 84656UC3-EZ?
  • You are correct the only difference in the Dexter Trailer Hub and Drum Assemblies # 84656UC3 and # 84656UC3-EZ is the grease cap. The Kit # 84656UC3-EZ uses an EZ Lube # DC200L-DCRP cap while the other has a standard Grease Cap # F001518 spindles without a grease cap.
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  • Are Dexter Trailer Hubs # 42656 and # 8-201-9UC3-EZ the Same Hubs
  • Yes, the hub part # AKHD-655-6-K and # 8-201-9UC3-EZ are essentially the exact same part.
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  • Differences Between Dexter 42866UC3-EZ and 8-219-4UC3-EZ Trailer Brake Hub/Drums
  • There is very little difference between the two. Both hub/drums are for a 7K axle, and have an 8 on 6-1/2 inch bolt pattern with 1/2 inch wheel studs. Either hub/drum includes the bearings, races, grease seal, lug nuts and E-Z Lube dust cap. The # 42866UC3-EZ also includes the spindle nut and the retainer for the spindle nut. The # 8-219-4UC3-EZ includes everything mentioned above, except for the spindle nut and retainer. The only other difference is that the # 8-219-4UC3-EZ uses a grease...
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  • Difference Between Idler and Braking Axle
  • A brake axle would have brakes, either electric or hydraulic drum or disc brakes while an idler hub would have no brakes. Many times, a tandem axle trailer will have one braking axle and one idler axle. The 3500 lb capacity # 35545I-EZ-89 axle you were looking at comes with idler hubs, but because it has brake mounting flanges, brake assemblies and hub/drums could be added at a later date if necessary. To find a replacement axle, you'd need to measure the hub face to hub face dimension...
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  • What is Difference Between etrailer Trailer Hubs # AKHD-655-6-K and # AKHD-655-6-EZ-K
  • The only difference between the # AKHD-655-6-K and the # AKHD-655-6-EZ-K is the cap that the hub uses. One is a solid cap and the other has a rubber plug that can come off for access to EZ lube fittings. Since you have caps already you could use either hub part number.
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  • Comparing the E-Z Lube Hubs to the Standard Hub Assemblies for Trailer Axles
  • The difference between the standard and EZ hubs is in the grease cap. For instance, the Trailer Hub and Drum Assembly - 3,500-lb E-Z Lube Axles # AKHD-545-35-EZ-K is the same hub, bearings, seal, and races as found in # AKHD-545-35-K but the grease cap is different. The grease cap is not only longer on the E-Z Lube Hubs but also has a rubber plug. The purpose of the length and the plug are to have enough room for and access to the grease zerk fitting integrated into E-Z lube axle spindles....
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  • Comparing etrailer 7K Trailer Hub and Drum Assemblies with 8 on 6-1/2 Bolt Pattern
  • The biggest difference between etrailer hub and drum assembly # AKHD-865-7-2-K and # AKHD-865-7-1-K is the wheel studs. Assembly # AKHD-865-7-2-K uses wheel studs that are 1/2" diameter x 1-5/16" long. Assembly # AKHD-865-7-1-K uses wheel studs that are 9/16" diameter x 1-5/8 long. So you would want to use the one that matches what the wheels require. I have linked video reviews of both for you.
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  • Comparing Dexter Hub and Drum Assemblies 8-285-11 and 8-393-4UC3
  • You will experience some reduced braking power when using the Dexter Trailer Hub and Drum Assembly # 8-393-4UC3 with 12-1/4 x 2-1/2" brake assemblies compared to the # 8-285-11 with 12-1/4" x 3-3/8" brake assemblies. Between the two I recommend going with the # 8-285-11 along with bearings # 25580 and # 02475, grease seals # RG06-070, lug nuts # 6-53, and grease caps # rg04-120. For brakes I recommend the self adjusting braking assemblies # 23-434-435. Since you mentioned your axle does...
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  • Difference In Hub And Drum Product Quality
  • The main differences are going to have to do with who makes the product. For Example if you buy a trailer hub for a Dexter axle made by Dexter, you will generally pay more because they are the manufacturer, versus if you were to buy an off-brand name. Also, there may be quality differences, generally the more expensive the more quality and craftsmanship is put into that particular product. Another consideration is the finish, some of the premium products offer corrosion resistant coating...
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  • Comparing Drum Brakes to Disc Brakes of a 5th Wheel Trailer
  • I always recommend choosing disc brakes over drum brakes if you have the option. Disc brakes will provide more stopping power, less fade and require less maintenance because they have fewer moving parts. If your 5th wheel trailer currently has electric drum brakes and you want to convert to hydraulic disc brakes, then you will need not only the brakes, but a brake line kit and an electric-over-hydraulic actuator for disc brakes. You will also need a brake controller for your tow vehicle...
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  • Difference Between Kodiak Disc Brake Kits
  • There are major differences between the brake kits you mentioned, with the most important being fit and braking power. The Kodiak Disc Brake Kit # K2HR2D is designed for 2,000 lb axles and will require your current hub have inner and outer bearing parts L44649, with a grease seal diameter of 1.500 inches. When you remove your current hub and drum you need to take a look at your bearings and they should have the part number stamped right on them. That will let you know the correct kit you...
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