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8,000-lb Axles Brake Drum with 8 on 6-1/2" Bolt Pattern, 5/8" Stud, Oil Bath


Regular price $172.25 USD

Care information

To ensure optimal performance and extend the service life of your new trailer components, please follow these care guidelines after purchase:

  • Before installation, check all parts for shipping damage or missing components. Do not install damaged parts.
  • Always use correct tools and torque settings. Improper installation can lead to premature wear or failure.
  • For bearings, suspensions, and brake components, apply high-quality trailer grease before first use if not pre-greased.
  • Some parts (like brake assemblies) require a short break-in period to achieve full performance. Follow manufacturer instructions for best results.
  • Recheck fasteners, grease levels, and moving components after 100 miles of towing, then at regular intervals.
  • After exposure to water, road salt, or mud, clean and dry parts thoroughly. Apply anti-rust treatment if needed.
  • If storing unused parts, keep them in a dry, sealed container away from moisture and direct sunlight.

Delivery and Shipping

Handling Time: Orders ship out within 1 business day after payment is received.

Shipping Methods: We use trusted carriers like UPS, FedEx, or USPS based on package size and destination.

Delivery Time: Estimated delivery within 2–6 business days (U.S. domestic orders).

Tracking: A tracking number will be provided once your order is dispatched.

Product Overview:

This 8,000 lb capacity trailer brake drum is built to handle demanding hauling conditions while maintaining consistent and reliable braking performance. It features an 8 on 6-1/2" bolt pattern paired with 5/8" wheel studs, providing a strong and secure connection for heavy duty trailer wheels. Designed for use with 12-1/4" x 3-3/8"brake assemblies, the drum offers proper contact with brake shoes for smooth and effective stopping power. 

Manufactured from robust materials, the drum is engineered to manage heat and resist wear during repeated braking under load. The unit is configured for oil bath lubrication, allowing bearings to stay continuously immersed in oil for improved cooling, reduced friction, and extended service intervals compared to traditional grease systems. This setup also make it easier to visually monitor lubricant condition. 

Commonly used on equipment trailers, flatbeds, and car haulers, this brake drum serves as a reliable replacement option for maintaining safe, efficient braking on 8K axle setups, especially in applications where durability and lower maintenance are priorities. 

What's Include:

Pre-assembled:
1 x inner bearing (25580)
1 x outer bearing (02475)
1 x inner race (22520)
1 x outer race (02420)
1 x oil seal (10-225)
8 x 5/8" studs
8 x lug nuts 

Kit includes:
1 x oil cap (OC-86580-26)
1 x castle nut
1 x washer
1 x D washer 
1 x Tang washer 
1 x cotter pin

Specifications:

Axle capacity: 8,000 lbs
Hub capacity: 4,000 lbs

Bolt pattern: 8 on 6-1/2" 
Wheel size: 16", 17.5"
Hub pilot: 4-3/4"

Drum dimensions: 
Diameter: 12-1/4"
Width: 3-3/8"

Bearings: 
Inner bearing: 25580 (ID:1.75")
Outer bearing: 02475 (ID: 1.25")

Races:
Inner race: 22520
Outer race: 02420

Oil seal: 10-63(ID: 2.25", OD: 3.371")

Oil cap: OC-86580-26 (OD: 2-7/8")

5/8" studs

OEM Part Number: 

Compatible with Dexter K08-285-90
Compatible with Dexter trailer axles.

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