{"product_id":"hydraulic-gear-pump-am12-wonton","title":"Hydraulic Gear Pump - AM12","description":"\u003ch2\u003eHydraulic Gear Pump – AM12\u003c\/h2\u003e\n\u003cp\u003eGenuine replacement hydraulic gear pump for the \u003cstrong\u003eAM12 1.2T mini excavator\u003c\/strong\u003e (KOOP KD192FE engine). Powers all hydraulic functions: boom, arm, bucket, and travel drive systems.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e External gear pump (tandem or dual-section)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Displacement:\u003c\/strong\u003e 6–8 cc\/rev\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Displacement:\u003c\/strong\u003e 3–4 cc\/rev (pilot circuit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Operating Pressure:\u003c\/strong\u003e 16 MPa (160 bar)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rating:\u003c\/strong\u003e 18–22 L\/min at 2000 rpm, rated pressure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Ports:\u003c\/strong\u003e SAE flange (ISO 4401-05)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e Clockwise (SAE standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Valve:\u003c\/strong\u003e Integrated or remote-mounted\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e AM12 1.2T mini excavator (KOOP KD192FE engine)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHydraulic System:\u003c\/strong\u003e 16 MPa (160 bar) rated system\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Coupling:\u003c\/strong\u003e Direct SAE flange to engine crankshaft\u003c\/p\u003e\n\n\u003ch3\u003eFunction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrimary section delivers main circuit pressure for boom\/arm\/bucket\u003c\/li\u003e\n  \u003cli\u003eSecondary section supplies low-pressure pilot circuit for control valves\u003c\/li\u003e\n  \u003cli\u003eDual-pump design ensures smooth proportional control across all functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFlush all hydraulic lines and reservoir with clean ISO VG 46 before installation\u003c\/li\u003e\n  \u003cli\u003ePrime pump with fresh hydraulic fluid before connecting engine\u003c\/li\u003e\n  \u003cli\u003eCheck engine-to-pump coupling alignment (critical for SAE flange connection)\u003c\/li\u003e\n  \u003cli\u003eInstall new shaft seal and gaskets\u003c\/li\u003e\n  \u003cli\u003eSet relief valve pressure to 16 MPa (use calibrated gauge)\u003c\/li\u003e\n  \u003cli\u003eBleed air from pump housing after connection\u003c\/li\u003e\n  \u003cli\u003eRun engine at half-speed for 2–3 minutes before full load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaintenance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHydraulic fluid change: Every 500 operating hours\u003c\/li\u003e\n  \u003cli\u003eFilter replacement: Every 250 hours\u003c\/li\u003e\n  \u003cli\u003ePressure check: Every 100 hours (should hold 16 MPa steady)\u003c\/li\u003e\n  \u003cli\u003eNoise\/vibration inspection: Monthly (grinding indicates wear)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Affordable Machinery","offers":[{"title":"Default Title","offer_id":46008113922245,"sku":"AM-PRT-GEN-PXSGPMPW","price":410.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/0911\/2517\/files\/1_Hydraulic_Gear_Pump_-_AM12_Wonton_1_440f3425-867a-470c-9cb7-a42bfeb941a7.jpg?v=1783916169","url":"https:\/\/affordablemachinery.com.au\/products\/hydraulic-gear-pump-am12-wonton","provider":"Affordable Machinery","version":"1.0","type":"link"}