Hydraulic Breakaway Coupler Cartridge RE577560 RE256693 for John Deere Tractor Product overview This hydraulic breakaway coupler cartridge is a direct replacement for parts RE577560 and RE256693 used on compatible John Deere tractors. It restores the breakaway coupler function in hydraulic quickconnect systems so hydraulic circuits remain protected when a hose separates or when couplers are disconnected. Key benefits Restores proper breakaway function to prevent uncontrolled fluid loss and protect hydraulic components during hose separation. Directfit replacement for part numbers RE577560 and RE256693, simplifying and minimizing downtime. Durable construction and precision fit help maintain reliable hydraulic sealing and consistent performance. Easy to install as a cartridge unit, reducing time and the need for extensive disassembly. What it does Serves as the active cartridge inside a hydraulic breakaway coupler assembly. Controls flow paths and sealing when couplers separate, helping to maintain system pressure and prevent contamination. Replaces worn or damaged cartridge components to the coupler to specified operation. Compatibility and fit Compatible with John Deere tractor models that use part numbers RE577560 or RE256693. Designed as a replacement cartridge; confirm parts compatibility with your tractor model or parts list before . Practical applications and scenarios Field after a damaged or leaking coupler cartridge causes hydraulic fluid loss during implement changes. Preventive maintenance swap to restore reliable coupler operation and avoid unexpected downtime during peak season. Carry as a spare on service vehicles to enable quick replacement and get machinery back in service faster. Installation and performance notes Installed as the cartridge element within the breakaway coupler assembly; basic hydraulic knowledge and standard tools are typically sufficient. Inspect seals, mating surfaces, and the coupler body when replacing the cartridge to ensure proper seating and leak performance. Use as a likeforlike replacement for RE577560 and RE256693 to maintain original coupler function. This cartridge is intended for use only as a replacement component in compatible hydraulic breakaway couplers. Confirm compatibility with your tractor model and parts reference before installation.