Dexter 10K General Duty Hub & Drum Assembly – 12.25" x 3.375" – 2 Piece
Part Number: BD044
Dexter 10,000 lb General Duty (GD) 2-piece hub and drum assembly designed for axles manufactured after 1989 and prior to 2009. This assembly combines hub casting 8-288 and drum casting 9-44 and is built for 12.25" x 3.375" brake systems.
Application
- 10,000 lb General Duty (GD) Dexter axles
- Post-1989, Pre-2009 axle configurations
- 12.25" x 3.375" brake size
- 2-piece hub and drum system
Component Details
| Component | Part Reference |
| Hub Casting | 8-288 |
| Drum Casting | 9-44 |
| Brake Surface Diameter | 12.25" |
| Brake Surface Width | 3.375" |
| Configuration | 2-Piece Hub & Drum |
Typical Bearing Configuration (Verify Before Ordering)
| Component | Typical Specification |
| Outer Bearing | 387A – 2.25" I.D. |
| Inner Bearing | 25580 – 1.75" I.D. |
| Seal | 10-36 – 2.25" I.D. |
| Bolt Pattern | 8 on 6.5" |
| Stud Size | 5/8"-18 |
R&P Knowledge Hub
10K General Duty (GD) hub and drum assemblies use a 12.25" x 3.375" brake configuration, which differs from the wider 12.25" x 4" Heavy Duty (HD) system. GD and HD components are not interchangeable. Always confirm brake width, axle rating, bearing numbers, and oil cap configuration before ordering.
10K General Duty (GD) hub and drum assemblies use a 12.25" x 3.375" brake configuration, which differs from the wider 12.25" x 4" Heavy Duty (HD) system. GD and HD components are not interchangeable. Always confirm brake width, axle rating, bearing numbers, and oil cap configuration before ordering.
Specifications
| Specification | Detail |
| Manufacturer | Dexter |
| Axle Rating | 10,000 lb General Duty |
| Brake Size | 12.25" x 3.375" |
| System Type | 2-Piece Hub & Drum |
| Era Compatibility | Post-1989 / Pre-2009 |
Verify axle configuration, brake width, and bearing numbers before installation.