Fortpro Fifth-Wheel Assembly Replacement for FW78B3 Model is the ultimate solution for trucks requiring a solid and reliable connection to their semi-trailers. Designed to support vertical loads of up to 20 tons, this fifth wheel assembly offers perfect weight distribution thanks to its butterfly-shaped cover plate, which divides the load into five equal parts. With its robust structure, including large arc-shaped tails for better alignment, and a precise locking mechanism, this replacement is synonymous with safety and superior performance in any conditions. Ideal for high-performance applications, it ensures a perfect coupling that withstands the most demanding demands of long-distance transportation.
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 Information6 attributes
| Product Line | Chassis & Suspension |
|---|---|
| Category Name | Fifth Wheels & Parts |
| Part Type | Fifth-Wheel Assembly |
| Alternate Part Name | Fifth-Wheel Assembly, Fifth Wheel |
| Model | FW78B3 |
| OEM Part Number | W78B3 |
Application/Fitment Attributes5 attributes
| Application Type | Semi-Trucks, Heavy Duty Trucks, Tractors |
|---|---|
| Kingpin Diameter Compatibility | 2.00 in. |
| Mounting Interface | Bracket Assembly |
| Mounting Type | Stationary |
| Series | FW78B |
Dimensional/Physical Attributes4 attributes
| Material | High Strength Cast Steel |
|---|---|
| Mounting Height | 7-9/32 in. |
| Overall Length | 30-15/16 in. |
| Overall Width | 36-1/16 in. |
Technical/Performance Attributes7 attributes
| Drawbar Pull Rating | 152 kN |
|---|---|
| Lock Jaw Type | Single Pivoting Jaw |
| Lubrication Type | Manual Grease Lubrication |
| Maximum Gross Trailer Weight (GTW) | 65.000 kg |
| Maximum Oscillation Angle | 18 deg. |
| Maximum Vertical Load Capacity | 44.800 lb. |
| Release Type | Left-Hand Release |
Packaging / Logistics Attributes:1 attribute
| Net Weight | 147 kg |
|---|
Intended Application
- Compatible with most heavy-duty tractors and semi-trailers equipped with a standard SAE 2-inch (50.8 mm) king pin.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- Ultration: FW78B3
Package: 18 in x 36 in x 40 in
Weight: 307.0 lb