The Fortpro 3826 Heavy-Duty Trailer Brake Drum is engineered as a direct replacement for 3826 OEM assemblies, servicing 16.50 in. x 7.00 in. foundation brake systems on commercial trailers and semi-trucks. Designed for inboard mounting on spoke wheel configurations, this cast iron brake drum features an 11.25 in. pilot diameter, 12.75 in. bolt circle diameter, 6 bolt holes (0.78 in. dia.), and a 7.81 in. brake surface width to ensure optimal thermal performance and dependable braking.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information4 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Brake Drums |
| Part Type | Brake Drum |
| OEM Part Number | 3826 |
Application/Fitment Attributes7 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Bolt Circle Diameter (BCD) | 12.75 in. |
| Bolt Hole Diameter | 0.78 in. |
| Bolt Hole Quantity | 6 |
| Mounting Type | Inboard |
| Pilot Diameter | 11.25 in. |
| Wheel Type | Spoke |
Dimensional/Physical Attributes4 attributes
| Brake Diameter (I.D.) | 16.50 in. |
|---|---|
| Brake Size (Dia x Width) | 16.50 in. x 7 in. |
| Brake Shoe Width | 7 in. |
| Brake Surface Width | 7.81 in. |
Technical/Performance Attributes1 attribute
| Mounting Flange Thickness | 0.50 in. |
|---|
- Gunite: 3826
- Mack: 3398-3826
- PAI: 803334