Tractor Truck


  • Tractor
  • Truck - Medium
  • Truck - Heavy
  • Trailer
  • Bus & Coach
  • Fire & Emergency
  • Construction
  • Military
  • Motor Home

Did You Know?

WABCO is the first to the NA market with OnGuard. 90,000+ systems in the field and 32 billion highway miles.

Mechanical Leveling Valves

WABCO’s air system solutions are engineered for optimized performance with less energy consumption


The WABCO Cab-Leveling Valve is designed to help preserve the correct vehicle cab position and provide driver comfort. Responding to the cab load and changes in road conditions, this valve works to maintain proper levels in the cab air suspension system.

Features & Benefits

  • Engineered polymer construction
  • Ceramic valve
  • Valve characteristics can be adapted to meet specific customer needs
  • Standard two-stage air flow characteristics
  • Lightweight, compact, durable, corrosion-resistant design
  • Very durable material that provides consistent performance throughout valve life and is resistant to debris
  • Minimal air consumption under normal driving conditions
  • Design of the air flow characteristics can be easily changed
WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to