The Fortpro 2983C Heavy-Duty Trailer Brake Drum is engineered as a direct replacement for Gunite 2983C, servicing 16.50 in. x 7.63 in. foundation brake assemblies on heavy-duty commercial trailers and semi-trucks. Built for inboard mounting on spoke wheel configurations, this cast iron drum features a 9.44 in. pilot diameter, 11.00 in. bolt circle diameter, 6 bolt holes (0.78 in. dia.), and a 22,500 lbs axle capacity, delivering efficient heat dissipation and reliable stopping performance.
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 | 2983C |
Application/Fitment Attributes7 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Bolt Circle Diameter (BCD) | 11.00 in. |
| Bolt Hole Diameter | 0.78 in. |
| Bolt Hole Quantity | 6 |
| Mounting Type | Inboard |
| Pilot Diameter | 9.44 in. |
| Wheel Type | Spoke |
Dimensional/Physical Attributes4 attributes
| Brake Diameter (I.D.) | 16.50 in. |
|---|---|
| Brake Size (Dia x Width) | 16.50 in. X 7.63 in. |
| Brake Shoe Width | 7.63 in. |
| Brake Surface Width | 7.63 in. |
Technical/Performance Attributes2 attributes
| Axle Rating (Capacity) | 22.500 lb. |
|---|---|
| Mounting Flange Thickness | 0.56 in. |
- BWP: NSI BD13
- Gunite: 2983C
- Meritor: 85122222002, 03122222002 (unbalanced)
- Navistar-International: ZBR2983C