Key Features

• Cross-section options: round O-ring geometry or quad-ring (X-ring) geometry for flexible sealing in tight spaces.
• Elastomeric material provides compliant, resilient sealing suitable for both dynamic (reciprocating) and static applications.
• Designed for reliability in hydraulic and pneumatic sealing tasks commonly found in John Deere equipment and service kits.
• John Deere part identifier: T77858 ensures traceability and correct replacement selection.
• Compact circular profile supports use in small or recessed grooves where space is a concern.

Product Details

• Part Number: T77858
• Brand: John Deere
• Material: Elastomeric seal ring
• Cross-sections: Round (O-ring) or Quad-ring (X-ring)
• Geometry: Circular sealing ring for versatile use in static or dynamic applications
• Primary use: Reciprocating or static seal applications

Compatibility

• Compatible with standard groove dimensions designed for round O-rings or quad-ring seals (X-ring) to accommodate cross-section options.
• Suitable for hydraulic and pneumatic sealing tasks within equipment that specifies elastomeric seals and the described cross-sections.
• Recommend verifying groove width and inside diameter to ensure proper seating of the T77858 seal in service assemblies.