{"product_id":"arm-cylinder-seal-kit-707-99-68780-komatsu-pc400-7-pc600-7","title":"Arm Cylinder Seal Kit 707-99-68780 for Komatsu PC400 PC450 PC600 Excavator","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"1069\" data-start=\"1044\" data-section-id=\"xm4euj\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1069\" data-start=\"1046\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-end=\"1107\" data-start=\"1071\"\u003e\u003cstrong data-end=\"1085\" data-start=\"1071\"\u003ePart Name:\u003c\/strong\u003e Arm Cylinder Seal Kit\u003c\/p\u003e\n\u003cp data-end=\"1141\" data-start=\"1109\"\u003e\u003cstrong data-end=\"1128\" data-start=\"1109\"\u003ePart Number(s):\u003c\/strong\u003e 707-99-68780\u003c\/p\u003e\n\u003cp data-end=\"1175\" data-start=\"1143\"\u003e\u003cstrong data-end=\"1167\" data-start=\"1143\"\u003eBrand Compatibility:\u003c\/strong\u003e Komatsu\u003c\/p\u003e\n\u003cp data-end=\"1214\" data-start=\"1177\"\u003e\u003cstrong data-end=\"1194\" data-start=\"1177\"\u003eMachine Type:\u003c\/strong\u003e Hydraulic Excavator\u003c\/p\u003e\n\u003cp data-end=\"1261\" data-start=\"1216\"\u003e\u003cstrong data-end=\"1230\" data-start=\"1216\"\u003eComponent:\u003c\/strong\u003e Arm (Stick) Hydraulic Cylinder\u003c\/p\u003e\n\u003cp data-end=\"1287\" data-start=\"1263\"\u003e\u003cstrong data-end=\"1277\" data-start=\"1263\"\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/p\u003e\n\u003cp data-end=\"1410\" data-start=\"1289\"\u003e\u003cstrong data-end=\"1302\" data-start=\"1289\"\u003eShipping:\u003c\/strong\u003e Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.\u003c\/p\u003e\n\u003cp data-end=\"2135\" data-start=\"1412\"\u003eThe \u003cstrong data-end=\"1454\" data-start=\"1416\"\u003e707-99-68780 Arm Cylinder Seal Kit\u003c\/strong\u003e is manufactured to OEM specifications for the \u003cstrong data-end=\"1535\" data-start=\"1501\"\u003earm (stick) hydraulic cylinder\u003c\/strong\u003e fitted to selected \u003cstrong data-end=\"1660\" data-start=\"1555\"\u003eKomatsu PC400-7, PC400LC-7, PC400-8, PC450-8, PC450LC-8, PC490LC-10, PC600-7 and PC600LC-7 excavators\u003c\/strong\u003e. This complete hydraulic cylinder overhaul kit includes precision-engineered rod seals, piston seals, wear rings, guide rings, backup rings, O-rings and dust seals engineered to restore hydraulic sealing performance, eliminate oil leakage and maintain optimum cylinder pressure. Manufactured from premium sealing materials, it provides dependable sealing performance under the severe operating conditions encountered in construction, mining, quarrying and heavy earthmoving.\u003c\/p\u003e\n\u003cp data-end=\"2800\" data-start=\"2137\"\u003eThe arm hydraulic cylinder controls the extension and retraction of the excavator stick, providing the reach, digging force and attachment control required for excavation, trenching, grading and loading operations. Continuous operation under high hydraulic pressures, heavy breakout forces and abrasive site conditions gradually wears the cylinder seals. Damaged seals can cause hydraulic oil leakage, stick drift, reduced digging force, slow cylinder response and internal hydraulic pressure bypass. Replacing the complete seal kit restores hydraulic efficiency, improves machine control, protects internal cylinder components and helps minimise costly downtime.\u003c\/p\u003e\n\u003cp data-end=\"2826\" data-start=\"2802\"\u003e\u003cstrong data-end=\"2826\" data-start=\"2802\"\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2970\" data-start=\"2828\"\u003eConstruction • Earthmoving • Mining • Quarrying • Civil Infrastructure • Road Construction • Heavy Excavation • Demolition • Material Handling\u003c\/p\u003e\n\u003cp data-end=\"2991\" data-start=\"2972\"\u003e\u003cstrong data-end=\"2991\" data-start=\"2972\"\u003eCommon Symptoms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3244\" data-start=\"2993\"\u003e\n\u003cli data-end=\"3038\" data-start=\"2993\" data-section-id=\"5shgn8\"\u003eHydraulic oil leakage from the arm cylinder\u003c\/li\u003e\n\u003cli data-end=\"3072\" data-start=\"3039\" data-section-id=\"m01rzp\"\u003eStick drifting during operation\u003c\/li\u003e\n\u003cli data-end=\"3096\" data-start=\"3073\" data-section-id=\"c9ipcs\"\u003eReduced digging force\u003c\/li\u003e\n\u003cli data-end=\"3131\" data-start=\"3097\" data-section-id=\"qc5y9m\"\u003eSlow arm extension or retraction\u003c\/li\u003e\n\u003cli data-end=\"3168\" data-start=\"3132\" data-section-id=\"5jk99x\"\u003eInternal hydraulic pressure bypass\u003c\/li\u003e\n\u003cli data-end=\"3206\" data-start=\"3169\" data-section-id=\"199jxlx\"\u003eDifficulty maintaining arm position\u003c\/li\u003e\n\u003cli data-end=\"3244\" data-start=\"3207\" data-section-id=\"17ccprf\"\u003eReduced hydraulic system efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3278\" data-start=\"3246\"\u003e\u003cstrong data-end=\"3278\" data-start=\"3246\"\u003eCross-Reference Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3313\" data-start=\"3280\"\u003e\u003cstrong data-end=\"3300\" data-start=\"3280\"\u003eOEM Part Number:\u003c\/strong\u003e 707-99-68780\u003cstrong data-end=\"3348\" data-start=\"3315\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3431\" data-start=\"3410\"\u003e\u003cstrong data-end=\"3431\" data-start=\"3410\"\u003eCompatible Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3550\" data-start=\"3433\"\u003e\u003cstrong data-end=\"3458\" data-start=\"3433\"\u003eHydraulic Excavators:\u003c\/strong\u003e Komatsu PC400-7, PC400LC-7, PC400-8, PC450-8, PC450LC-8, PC490LC-10, PC600-7 and PC600LC-7.\u003c\/p\u003e\n\u003cp data-end=\"3568\" data-start=\"3552\"\u003e\u003cstrong data-end=\"3568\" data-start=\"3552\"\u003eFitment Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3900\" data-start=\"3570\"\u003ePlease verify the OEM part number, machine model, serial number and \u003cstrong data-end=\"3673\" data-start=\"3638\"\u003earm hydraulic cylinder assembly\u003c\/strong\u003e before ordering. Komatsu may use different arm cylinder configurations depending on the machine model, production series and serial number. Contact Imara Engineering Supplies if you require assistance confirming compatibility.\u003c\/p\u003e","brand":"Imara Engineering Supplies","offers":[{"title":"Default Title","offer_id":45129191227592,"sku":"707-99-68780","price":199.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/5348\/7816\/files\/Bucket_Cylinder_Seal_Kit_707-99-66380_for_Komatsu_WA430-6_Wheel_Loader.png?v=1784749445","url":"https:\/\/imaraengineeringsupplies.com\/products\/arm-cylinder-seal-kit-707-99-68780-komatsu-pc400-7-pc600-7","provider":"Imara Engineering Supplies","version":"1.0","type":"link"}