AH128240-N -- Hydraulic Quick Connect Coupler for John Deere/Parker (9250-334)

Hydraulic Quick Connect Coupler – John Deere® AH128240 / Parker 9250-334 Upgrade your hydraulic system with the Parker 9200 Series Quick Coupler, also sold under John Deere® part number AH128240. Built to ISO 5675 standards, this ½-inch coupler delivers 3000 PSI working pressure and 12 GPM flow, making it the trusted choice for tractors, farm implements, and mobile hydraulic systems. This coupler features a poppet-style valve for leak-free performance, a lever-lock mechanism for secure connections under pressure, and a breakaway sleeve that automatically seals if disconnected unexpectedly. Constructed from durable steel with zinc plating and equipped with nitrile seals, it’s built to withstand tough agricultural and industrial conditions. Whether you’re maintaining your John Deere® equipment or upgrading with Parker’s industry-leading hydraulics, this coupler ensures fast, safe, and reliable hydraulic connections every time. Key Features OEM Equivalent: John Deere® AH128240 / Parker 9250-334 ½″ body size / 12 GPM flow capacity 3000 PSI max operating pressure ISO 5675 / ISO 7241-B compliant Connect-under-pressure capability Breakaway safety sleeve with automatic shut-off Steel construction with zinc + trivalent chromate finish for corrosion resistance Operating range: –40 °F to 250 °F Ideal for agricultural, industrial, and mobile hydraulic systems Specifications Attribute Value Part Number John Deere® AH128240 / Parker 9250-334 Series Parker 9200 Series Body Size ½″ Max Pressure 3000 PSI (207 bar) Flow Rate 12 GPM Valve Type Poppet Connection Type UNF 9/16-18 thread / ISO 7241-B Seal Material Nitrile (NBR) Finish Zinc, clear trivalent chromate Temperature Range –40 °F to 250 °F Applications Tractors, harvesters, attachments, industrial hydraulics