Dexter 8-288-3UC1 Complete Hub Assembly - 8 on 6.5 - 387A/25580 - Fits Dexter 9K and 10K Axles and 12.25 x 3.38 Inch Drum
Dexter 8-288-3UC1 Complete Hub Assembly - 8 on 6.5 - 387A/25580 - Fits Dexter 9K and 10K Axles and 12.25 x 3.38 Inch Drum
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Dexter 8-288-3UC1 Complete Hub Assembly - 8 on 6.5 - 387A/25580 - Fits Dexter 9K and 10K Axles - 12.25 x 3.38 Inch Drum
Trailer hub fits 9K axle (after 10/1/1989) and 10K axle (through 7/1/2009). Inner bearing (387A) and race, outer bearing (25580) and race, oil cap, plug and seal, wheel retaining ring, lug nuts, and studs included. Drum and mounting bolts sold separately.
Product Features
- Replacement hub fits Dexter "old-style," 2-piece hub and drums
- Includes hub, bearings, races, seal, oil cap, wheel bolts, wheel retaining ring, and lug nuts
- Brake drum (9-44-1 or 9-44-3) and brake drum mounting bolts (7-245) sold separately
- Trailer hub assembly fits idler axles
- Bearings, races, oil seal, oil cap, wheel bolts, and lug nuts are included
- Sturdy iron construction
- Oil bath lets you check lubricant level without disassembling the hub
- Look through clear oil cap to check lubrication
Product Specifications
- Application:
- 9,000-lb Dexter axles (manufactured after October, 1989) with spindles that require a 2-7/8" ID oil seal
- 10,000-lb Dexter general duty axles (manufactured through July 1, 2009) with spindles that require a 2-7/8" ID oil seal
- Bolt pattern: 8 on 6-1/2
- Wheel bolt diameter: 5/8"
- Pilot hole diameter: 4-3/4
- Weight capacity: 5,000 lbs per hub
Bearing, Race, & 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): RG04-270
- 21-36 Cap
- 10-50 O-ring
- 46-32 Plug
This Hub kit is designed for 9-10K General Duty Dexter Axles made Before July of 2009 and 9K Dexter axles made after October 1989.
Items in Kit
- 1x 387A Inner Bearing (2.25" ID)
- 1x 25580 Outer Bearing (1.75" ID)
- 1x 25520 Outer Race (Already Pressed In) 3.265" OD
- 1x 382A Inner Race (Already Pressed In) 3.813" OD
- 1x 10-51 Oil Seal (2.875" x 3.88"
- 1x 21-88 Oil Cap
- 1x 46-32 EZ Oil Cap Plug
- 8x 6-109 Coned Wheel Nuts
- 1x 33-52-1 Wheel Retaining Ring
- 1x 8 on 6.5" Hub Only
To determine the bolt circle on hubs or wheels with an even number of studs, measure center-to-center of studs directly across from each other on the diameter(bolt patterns are always measured in inches). Example: 8 on 6 1/2 would mean 8 studs with 6 1/2” center-to-center diameter.
Prop. 65 Warning for California Residents
WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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.
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.)
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.)
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"
