Parker’s 77 Series high-pressure hydraulic hose fittings deliver high performance, quick assembly and the design flexibility of more than 500 configurations.

Crimp-style 77 Series hydraulic hose fittings from Parker Hannifin are cost-effective, permanent, bite-the-wire-style fittings for high-pressure applications. Designed for use with Parkrimp crimpers, 77 series fittings require less push-on force and are easy to assemble. Their compact, one-piece construction delivers better value, flow, and reduced heat and pressure loss, as well as reduced complexity. Compatible with a wide range of constant working pressure hoses, 77 Series fittings are engineered for efficiency, safety, and performance. When paired with Parker’s No-Skive hose, 77 Series fittings can be assembled without removing the outer hose cover. Available in multiple materials and a wide assortment of end configurations, 77 series fittings are offered in sizes from ¼ inch to 2 inches.



  • Military
  • Construction
  • Forestry
  • Oil Field Service
  • Industrial
  • Mining


  • Metric hex
  • Easy push on force
  • Multiple materials available, such as steel and stainless steel
  • Wide range of end configurations
  • One piece reduces complexity and leakage path
  • No-Skive technology offers easy, efficient, and safe production processes


  • Petroleum base hydraulic fluids and lubricating oils

Compatible Hoses

  • 387 (-20 through -32 only)
  • 487 (-20 through -32 only)
  • 787 (-8 through -32 only)
  • 797 (-8 through -32 only)
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