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 | Brakes |
|---|---|
| Category Name | Air Brake Valves |
| Part Type | Trailer Valve |
| Alternate Part Name | Multi-Function Trailer Valve |
| Model | RT-4 |
| OEM Part Number | KN26000 |
Application/Fitment Attributes7 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Control Port Size | 3/8-18 NPT |
| Delivery Port Qty | 4 |
| Delivery Port Size | 3/8-18 NPT |
| Reservoir Port Size | 3/8-18 NPT, 1/2-14 NPT |
| Supply Port Size | 3/8-18 NPT |
| Supply Port Qty | 2 |
Dimensional/Physical Attributes1 attribute
| Material | Die-cast Aluminum |
|---|
Technical/Performance Attributes1 attribute
| Closing Pressure | 55 psi |
|---|
Packaging / Logistics Attributes:1 attribute
| Net Weight | 4.64 lb. |
|---|
Intended Application
- Used on trailers to control both parking and emergency brake functions.
- Controls reservoir charging.
- Applies emergency (parking) brakes upon loss of trailer supply (emergency) line pressure.
- Meets all FMVSS-121 trailer requirements for spring brake control and other regulations prior to Oct. 8, 1992.
- Interchangeable with competitive units.
- Automann: 170.KN26000
- Bendix: KN26000N
- Bepco Inc: KN26000
- Haldex: KN26000, KN26000N
- International-Navistar: ZZKN26000N
- Mack: 5396-KN26000
- Meritor: R955KN26000N
- PAI: EM40760, FTV4076
