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TORQUE FF-2 Full Function Air Brake Trailer Valve (Replaces Mack Midland Haldex KN28601 KN28601X) (TRKN28601)

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$69.98

$ 28 .99 $28.99

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  • TYPE - FF-2 Full Function Trailer Valve // Single valve system - easy to install, maintain and troubleshoot // Built-in pressure protection and anti-compounding functions
  • REPLACEMENT - Haldex: KN28601X, KN28601, KN28601RX // Mack: 5396KN28601 // Midland: KN28601, N4304AB
  • SPECS - Crack Pressure: 3.0 PSI // Reservoir Port: 1/2" // Control Port: 1/4" // Supply Port: 3/8" // Spring Brake Ports: 2 @ 3/8" // Delivery Ports(4): 3/8" // Approximate Weight: 3 lbs.
  • FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then, check out if this item replaces it.
  • WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.


Emergency Relay Valve
- Single valve system - easy to install, maintain and troubleshoot.
- Built-in pressure protection and anti-compounding functions.
- Space age engineering grade composites: resists corrosion, lighter and more durable than aluminum.
- Built-in service and spring brake quick release.
- Heavy wall mounting nipple is treated to resist corrosion and withstand severe duty applications.
- Service brake priority ensures air tank pressure is sufficient to stop vehicle when spring brakes are first released.
- Can be used with single or twin air tanks.



Haldex: KN28601X, KN28601, KN28601RX
Mack: 5396KN28601
Midland: KN28601, N4304AB


Crack Pressure: 3.0 PSI
Reservoir Port: 1/2"
Control Port: 1/4"
Supply Port: 3/8"
Spring Brake Ports: 2 @ 3/8"
Delivery Ports(4): 3/8"
Approximate Weight: 3 lbs.