MAD (Mud and Dirt) Pivot Joint Seal

MAD Pivot Joint Seal
Prevents Contamination Ingression Up to 50 Times Longer than O-ring Pivot Seals
Reference Material


  • Direct Replacement for Pivot Joint O-rings Using a 45° Chamfer Configuration
  • Primary Lip Offers a Superior Barrier of Contamination with an Engineered Secondary Lip that Controls Primary Lip Seal ing Pressure


  • Up to 50 Times Longer Life than O-ring Pivot Seals
    *based on testing results below
  • Split Option for Easy Field Replacement
  • Cost-Effective
    • Increased Machine Up Time
    • Reduced Service Time
    • Increased Life of Expensive Bearings

Pivot Test

MAD Buckets