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  • Hydraulic Cylinder Seal Kit
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      X772
    • Engineering Design Control Code
      X772
    Compare
  • Piston Seal Assembly
    Availability
    Brand
    Cat
    • Seal Shape
      Type 1, 0
    • Groove Width - A (± 0.002 in) (in)
      0, 0.19
    • Groove Width - A (± 0.002 in) (mm)
      0, 4.88
    • Bore Diameter (mm)
      0, 101.50
    • Height(in)
      0.1, 0
    • Weight (lbs)
      0, 0.1
    • Seal Shape
      Type 1, 0
    • Groove Width - A (± 0.002 in) (in)
      0, 0.19
    Compare
  • Wiper Seal
    Availability
    Brand
    Cat
    • Height(in)
      0, 0.8
    • Engineering Design Control Code
      J408
    • Width (in)
      0, 3
    • Weight (lbs)
      0, 0.5
    • Weight (kg)
      0.2, 0
    • Width (mm)
      0, 76.2
    • Height(in)
      0, 0.8
    • Engineering Design Control Code
      J408
    Compare
  • Wear Band
    Availability
    Brand
    Cat
    • Width - A (± 0.03 in) (mm)
      165.10, 0
    • Outside Diameter (in)
      0, 10.75
    • Width - A (± 0.03 in) (in)
      0, 6.50
    • Height(in)
      6.6, 0
    • Outside Diameter (mm)
      0, 273.05
    • Width (in)
      10, 0
    • Width - A (± 0.03 in) (mm)
      165.10, 0
    • Outside Diameter (in)
      0, 10.75
    Compare
  • Center Hole Slot Spacer
    Availability
    Brand
    Cat
    Compare
  • Hydraulic Rod with Eye Bearing
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      J312
    • Engineering Design Control Code
      J312
    Compare
  • Hydraulic Cylinder Tube with Bearing
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      J403
    • Engineering Design Control Code
      J403
    Compare
  • Complete Hydraulic Cylinder Arrangement with Tube and Rod Assemblies
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      M330
    • Engineering Design Control Code
      M330
    Compare
  • Hydraulic Rod with Eye Bearing
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      J407
    • Engineering Design Control Code
      J407
    Compare
  • Cat® Hydraulic Cylinder Head
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      J312
    • Engineering Design Control Code
      J312
    Compare
  • Hydraulic Rod with Eye Bearing
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      V157
    • Engineering Design Control Code
      V157
    Compare
  • Cat® Hydraulic Cylinder Head
    Availability
    Brand
    Cat
    • Engineering Design Control Code
      A559
    • Engineering Design Control Code
      A559
    Compare
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  • Products
  • Reference
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Most Cat® Cylinders and Rods (new and remanufactured) are induction-hardened and inertia-welded. The resulting superior strength and dent resistance deliver longer component life and reduced risk of system contamination. Cat hydraulic cylinders and rods are designed to allow for a variety of service and repair options.

Hydraulic Cylinders and Rods

Cat Cylinders feature an innovative sealing system that absorbs pressure spikes, withstands side loading, and guards against contaminant entry better than competitive designs.

Reduce Potential for System Contamination

  • Cat new and reman rod-eyes are attached to the cylinder rod through inertial welding that allows for a continuous bond vs. a standard arc weld.
  • Cat Seals are designed and manufactured to meet stringent specifications.
  • Cat new and reman rods are induction hardened to provide a surface that resists denting and scratching, thus reducing potential for system contamination.
  • The cylinder barrel surface can be honed to correct damage, extend seal life and reduce the potential for contamination. Caterpillar recommends a light hone at time of seal replacement.