The Fortpro 3800X Heavy-Duty Front Steer Axle Brake Drum is engineered as a precision replacement for Webb 3800X, servicing 15.00 in. x 4.00 in. drum brake assemblies on commercial semi-trucks and heavy vehicles. Dynamically HP balanced for vibration-free operation, this outboard mount cast iron drum features an 8.78 in. pilot diameter, 11.25 in. bolt circle diameter, 10 bolt holes (1.25 in. dia.), and a 13,200 lbs axle capacity to ensure superior heat dissipation and smooth stopping control.
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 | 3800X |
Application/Fitment Attributes7 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Bolt Circle Diameter (BCD) | 11.25 in. |
| Bolt Hole Diameter | 1.25 in. |
| Bolt Hole Quantity | 10 |
| Mounting Type | Outboard |
| Pilot Diameter | 8.78 in. |
| Wheel Type | Disc |
Dimensional/Physical Attributes4 attributes
| Brake Diameter (I.D.) | 15.00 in. |
|---|---|
| Brake Size (Dia x Width) | 15 in. x 4 in. |
| Brake Shoe Width | 4 in. |
| Brake Surface Width | 4.66 in. |
Technical/Performance Attributes2 attributes
| Axle Rating (Capacity) | 13.200 lb. |
|---|---|
| Mounting Flange Thickness | 0.50 in. |
- Automann: 1515403BA, 1515403BATR, 1515505BA
- Gunite: 3726X, 3800X, 9001X