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  1. Trailer Hubs and Drums
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  3. 4 on 4 Inch
  4. For 2200 lbs Axles
  5. Hub with Drum
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  7. 12 Inch Wheel
  8. 13 Inch Wheel
Dexter Trailer Hub and Drum Assembly for 2,200-lb Axles - 7" Diameter - 4 on 4
Dexter

Dexter Trailer Hub and Drum Assembly for 2,200-lb Axles - 7" Diameter - 4 on 4

Part Number: 8-173-16UC3
$141.38
Trailer Hubs and Drums
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This hub-and-drum assembly fits 2,200-lb axles with BTR spindles. Compatible with electric and hydraulic brakes. Inner bearing (L44649) and race, outer bearing (L44649) and race, grease seal, grease cap, wheel bolts, and lug nuts included. Great Prices for the best trailer hubs and drums from Dexter. Dexter Trailer Hub and Drum Assembly for 2,200-lb Axles - 7" Diameter - 4 on 4 part number 8-173-16UC3 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Dexter Trailer Hubs and Drums - 8-173-16UC3

  • 4 on 4 Inch
  • For 2200 lbs Axles
  • Hub with Drum
  • 10 Inch Wheel
  • 12 Inch Wheel
  • 13 Inch Wheel
  • Standard
  • Standard Grade
  • L44649 / L44649
  • 1/2 Inch Stud
  • Dexter

This hub-and-drum assembly fits 2,200-lb axles with BTR spindles. Compatible with electric and hydraulic brakes. Inner bearing (L44649) and race, outer bearing (L44649) and race, grease seal, grease cap, wheel bolts, and lug nuts included.


Features:

  • 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


Specs:

  • Application: 2,200-lb trailer axles with BTR spindles
  • Wheel size: 10" to 13"
  • Drum dimensions: 7" diameter x 1-1/4" wide
    • Works with 7" x 1-1/4" brake assembly
  • Bolt pattern: 4 on 4"
  • Grease cap flange diameter: 1.98"
  • Wheel bolt diameter: 1/2"
  • Weight capacity: 1,100 lbs


Bearing, Race, and Seal Information

  • Bearings (included)
    • Inner bearing: L44649 (1.063" inner diameter)
    • Outer bearing: L44649 (1.063" inner diameter)
  • Races (included)
    • Inner race: L44610
    • Outer race: L44610
  • Grease seal (included): 10-9
    • Inner diameter: 1.5"
    • Outer diameter: 1.987"

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"


008-173-91 Dexter Trailer Hub and Drum Assembly - 2,200-lb Axles - 4 on 4

Replaces 8-173-16UC3 and HD701BUC3




California residents: click here


Customer Satisfaction Score:

Ratings & Reviews

4.7

1066 reviews
This hub-and-drum assembly fits 2,200-lb axles with BTR spindles. Compatible with electric and hydraulic brakes. Inner bearing (L44649) and race, outer bearing (L44649) and race, grease seal, grease cap, wheel bolts, and lug nuts included.

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Quick shipping nice product.



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1066
Show More Reviews

See what our Experts say about this Dexter Trailer Hubs and Drums

  • What Hubs do I Need for My 1998 Calkins Boat Trailer?
    If both of your inner and outer bearings are # L44649, you most likely have a 2K axle. Depending on your bolt pattern, I recommend the following hubs: - Trailer Idler Hub Assembly for 2,000-lb Axles # AKIHUB-545-2-G-2K (5 on 4-1/2 pattern) - Dexter Trailer Idler Hub Assembly for 2,000-lb Axles - 4 on 4 # 8-91-05UC1 (4 on 4 pattern) If you need the hub/drum combination, I recommend the following: - Trailer Hub and Drum Assembly - 2K Axles - 7" Diameter - 5 on 4-1/2 # AKHD-545-2-2K (5...
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  • Replacement Brake Assemblies, Bearings, Seal and Hub for 2002 Coleman Fleetwood Pop Up
    Coleman/Fleetwood uses Dexter axles so I can help you pick out the parts you need for your 2,200 lb Dexter axle. The bearings you would need are # L44649 for the inner and outer and then for a seal # 10-9. For brake assemblies you would need part # 23-47 for the left and part # 23-48 for the right. I know you didn't mention it, but if you needed to hub drums you would need part # 8-173-16UC3.
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  • Parts Needed to add Electric Trailer Brakes to 1990 Skamper 190c
    You are able to install an electric braking system on your trailer. The parts needed are going to be determined by the axle that your camper is equipped with. From what I can tell from your picture, it looks like this is a 4 lug axle which is going to likely mean you have a 2,000-lb axle with a 1-3/4" diameter. In order to verify that is correct you will need to confirm that the Inner and Outer bearings on your trailer wheel hubs match L44649. You can verify this once you've taken it apart...
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  • 2003 Coleman Fleetwood Utah Replacement Brake Assemblies and Bearings
    From previous customers with your 2003 Coleman Fleetwood we've been able to determine that your trailer has 2,200 lb Dexter axles. The bearings you would need are # L44649 for the inner and outer and then for a seal # 10-9. For brake assemblies you would need part # 23-47 for the left and part # 23-48 for the right. These are manual adjust assemblies but there isn't a self adjusting set that fits your size. I know you didn't mention it, but if you needed to hub drums you would need part...
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  • Availability of Trailer Hub/Drum and Brake Assembly that Fits 10 inch Wheel with 4 Lug Pattern
    The Dexter hub/drum part # 8-173-16UC3 has a 4 on 4 inch bolt pattern and can fit behind a 10 inch wheel. For a brake assembly you'd then want the part # AKEBRK-2R which is a right hand side assembly. The hub is designed to fit the spindle part # TRU97FR which has a diameter of 1.00 inch.
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  • Dexter Torflex #9 1000-2200 lbs Axle Hub and Bearing Kit Replacements
    The current hub for your Torflex #9 axle uses the inner and outer bearings # L44649 with a grease seal that has a 1.500" inner diameter. You can find the bearing kit as part # BK1-150 on our site. For a replacement hub we have the part # 8-91-05UC1 for a standard spindle or part # 8-91-05UC1-EZ for E-Z Lube spindles. If you have brakes then you would want part # 8-173-16UC3 for a standard spindle or part # 8-173-16UC3-EZ for E-Z Lube spindles. All of these hub kits come with bearings and...
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  • Parts Needed for Adding Brakes to a Utility Trailer
    You will need Hub Drums that have the hub built into the drum. For part # 23-47 you will need 7 inch Hub Drums, like part # 8-173-16UC3 and mounting flanges, part # 4-34, that will need to be welded to your axles. This size brake and hub drum assemblies are for smaller trailers. You will pick your hub drum based on your wheel and axle size, then you will pick the brakes that fit that hub drum. If you write back with your bolt pattern and bearing numbers, I can help you find the correct...
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  • Brake Drum for a Reliable 2,700 Pound Trailer Axle
    If the spindles on your Reliable 2,700 pound axle are straight (same diameter in both bearing locations) then that indicates that it uses L44649 inner and outer bearings but if the spindles are tapered (inner bearing surface diameter is larger than the outer bearing surface diameter) then it will use L68111 for the inner bearing and L44649 for the outer. If you pull a hub off and find that both bearings are L44649 you can use # AKHD-545-2-EZ-2K if there are grease fittings at the ends...
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  • Recommended Axle Upgrade For Vintage Trailer
    Based on the picture you provided you are actually measuring from the inside of the drum to the inside of the drum, and not to the actual hub face. Since you are getting 62" inside to inside you are actually probably closer to 72" hub face to hub face. The closest standard axle we have to that length is the Dexter Trailer Idler Axle Beam with EZ-Lube Spindles - 72" Long - 2,200 lbs # T20BTR-EZ-7258 which has a hub face to hub face measurement of 72" and a spring center to spring center...
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  • Parts Needed to Install Trailer Brakes on 2015 Livin Lite Quicksilver 10.0 Tent Trailer
    I can certainly help you determine what parts you need to add electric brakes to your 2015 Quicksilver 10.0 tent trailer. Based on my research, it looks like your trailer has a 2,000 pound axle. If that is the case you can use the following part numbers: Brake Mounting Flange - # 4-34 Brake Assemblies - # AKEBRK-2L left-hand side # AKEBRK-2R right-hand side Hub and Drums - # AKHD-545-2-EZ-2K for 5 on 4-1/2 inch wheel bolt pattern or # 8-173-16UC3 for 4 on 4 inch Breakaway Kit - # PS50-85-320 Before...
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  • How To Determine Axle Capacity of Trailer with 4 Lug Hubs with Brakes
    The only way to know for sure is to check your bearings. That being said, the most common 4-bolt configuration is a 4 on 4 bolt pattern, which are typically found on 2,000 lb to 2,700 lb trailer axles. The only 4 on 4 bolt pattern hub and drum assemblies we carry are for 2,200 lb axles and use # L44649 inner/outer bearings. See below. Compatible with 7 inch x 1-1/4 inch electric and hydraulic brakes # 8-173-16UC3 - Includes bearings, races, grease seal, standard grease cap and lug nuts. #...
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  • Trailer Braking Axle for 4 On 4 Lug Wheels
    You will not be able to find a Drum/Hub assembly that has a 4 on 4" lug pattern and will fit a 10" brake. The mounting flange for the 10" Electric Trailer Brake Kit # AKEBRK-35-SA is the same for the 7" Electric Trailer Brake Kit # AKEBRK-2. They both have bolt centers of 2-7/8"x2-7/8". With the 7" brakes you can use the Dexter Trailer Hub and Drum Assembly for 2,200-lb Axles # 8-173-16UC3 on spindles with the L44649(1.063") inner and outer bearings.
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  • Adding a Brake Axle to a 48 Inch Wide Home Made Travel Trailer on Harbor Freight Frame
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  • Correct Replacement Brakes and Hub/Drum Assembly for '97 Jayco Popup
    The difference between part # 8-276-5UC3 and part # 8-173-16UC3 is that the 5UC3 works with a 7" x 1-3/4" brake assembly while the 16UC3 works with a 7" x 1-1/4" brake assembly brake assembly. Other than that they use # L44649 inner and outer bearings and a 10-9 grease seal that has the 1.5" inner diameter. You definitely want to go with assemblies that match your bearings so if you're able to confirm that you have L44649 bearings then I'd use one of the options mentioned above. The GVWR...
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  • Smallest Wheel Size Allowed for Dexter 2,200 Lb Axle with 7" Brakes
    The trailer hub/drum is what dictates wheel size and I looked up the minimum wheel size on all of our Dexter Trailer Hubs/Drums for 2,200 Lb Axles like part # 8-173-16UC3 and they all list the minimum wheel size as 10". The Kenda 205/65-10 Bias Trailer Tire with 10" White Wheel part # AM3H410 will be a great option for this. It only measures 20.6" diameter x 8.3" wide and is designed for a 4 on 4" lug pattern like the above hub/drum.
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  • Replacement Hub and Drum Assembly for 1974 Tee Nee Boat Trailer with 7 inch Electric Brake Drum
    The information you provided is great! From your part numbers I was able to find that the bearings would be a direct switch but that the grease seal and grease cap dimensions on the hub you have and the, 8-173-16UC3, 4 on 4 Trailer Hub / Drum Assembly are different. The, HD700ACU3, Complete hub and drum assembly is the part you would need for a direct replacement.
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    The American-Made Dexter # K23-103-104-00 brake assemblies would be absolutely the correct application for your Viking Pop-Up. The brake assemblies are compatible with 12 inch wheels used by your 145R80 tires. The installation is pretty easy if you're moderately handy. The video I've linked for you will provide an overview of what's involved. The video shows a larger brake assembly being installed, but the procedure for a 7 inch assembly would be pretty similar. Really the only difference...
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    If you want parking brakes for your 2015 Jayco Jay Sport 8SD then you do want to go with the Dexter Electric Trailer Brake Kit # K23-103-104-00. Parking brakes aren't required so if you would rather use standard brakes then you can use the part # 23-47-48 that you referenced instead. If your spindles don't already have the brake mounting flanges then you need those, like part # 4-34, as well. Please note that if you haven't had brakes on your trailer yet then you also need hub and drum...
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  • Electric Brake Kit For Two 2,200 lb Axles On Aluma Trailer
    Since you have two 2,200 lb trailer brakes you should get two of the Dexter Electric Trailer Brake Kits # K23-103-104-00. These are good for 10", 12" and 13" wheels. This kit requires a mounting flange bolt pattern of 4" x 4" and are 7 x 1-1/4 drum brakes. A 4" x 4" E-Z Lube Axle # 8-173-16UC3-EZ or standard axle hub # 8-173-16UC3 will work but make sure that your hubs use the # L44649 inner and outer bearing to make sure these hubs are correct for your Aluma Trailer. All the hardware is...
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  • Converting 1994 Jayco Camper From Hydraulic Brakes to Electric Brakes
    I have attached a great article at the bottom of this page that details all the components needed to install electric brakes on a trailer. The particular parts you need will depend on the camper's axle capacity along with the inner and outer bearings that are used on your existing hubs. This is needed to determine the correct hub and drum assemblies that will fit the spindles on the axle. If you can tell me the inner and outer bearing numbers, which should be stamped right inside the...
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  • Picking Out Replacement Axle for 2005 Coachman Clipper
    That picture of your wheel is pretty crazy! I hope the damage was minimal and no one got hurt! If you damaged a bearing there's a pretty good chance you also damaged the spindle it rides on. You'd need to inspect the spindle to make sure it's free of damage. If it's damaged it's probably a good idea to just replace the axle since you are already at the point of replacing most of the axle. Especially if the hubs are currently pretty rusty on both sides most likely. You are going to need...
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  • Should 1 or 2 Axles Have Brakes on Tandem Axle Trailer
    You really want brakes on both axles of your trailer. If you only put them on a single axle they're going to be stopping the full weight of the trailer when it is really designed to be shared with another set of brakes. Also, there are state laws that require brakes on both axles so if you add them to both you don't have to worry about local laws. You will need to know your axle capacity to find the correct brake assemblies. This information is typically on the axle tag. If you have the...
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  • Converting a 1995 Jayco Eagle 12 UDK To Use Electric Trailer Brakes
    First you will need the Electric Trailer Brake Kit # 23-47-48 to replace your hydraulic assemblies. We have the Dexter Trailer Hub and Drum Assembly # 8-173-16UC3 to get you a 4 on 4 mounting pattern. You will need to disassemble one of your hubs to verify it will fit the new hub as your axle is produced before they maintained records for their axles. This hub uses inner and outer Bearing # L44649 which is 1.063" inner diameter. For the wiring you will go from the Hopkins 7-Way RV Style...
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  • Parts Needed to Add Brakes to a 1995 Jayco Camper 1005
    We have just what you would need. Thanks for getting me the bearing information as that allowed me to piece together what hub you would need. For a hub and drum you would want the part # 8-173-16UC3. This will fit your spindle and wheels as it has a 4 on 4 inch bolt pattern. For brake assemblies you would want the part # 23-48 for the right hand side and part # 23-47 for the left hand side. For a breakaway kit you would want the part # 20099. For a brake controller I would recommend...
    view full answer...
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