{"product_id":"ripper-lift-seal-kit-707-99-71420-7079971420-komatsu-d155a-2","title":"Ripper Lift Cylinder Seal Kit 707-99-71420 for Komatsu D155A-2 D155A-2A Bulldozer","description":"\u003ch1 data-section-id=\"xm4euj\" data-start=\"1015\" data-end=\"1040\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1017\" data-end=\"1040\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"1042\" data-end=\"1086\"\u003e\u003cstrong data-start=\"1042\" data-end=\"1056\"\u003ePart Name:\u003c\/strong\u003e Ripper Lift Cylinder Seal Kit\u003c\/p\u003e\n\u003cp data-start=\"1088\" data-end=\"1120\"\u003e\u003cstrong data-start=\"1088\" data-end=\"1107\"\u003ePart Number(s):\u003c\/strong\u003e 707-99-71420\u003c\/p\u003e\n\u003cp data-start=\"1122\" data-end=\"1154\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1146\"\u003eBrand Compatibility:\u003c\/strong\u003e Komatsu\u003c\/p\u003e\n\u003cp data-start=\"1156\" data-end=\"1183\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1173\"\u003eMachine Type:\u003c\/strong\u003e Bulldozer\u003c\/p\u003e\n\u003cp data-start=\"1185\" data-end=\"1230\"\u003e\u003cstrong data-start=\"1185\" data-end=\"1199\"\u003eComponent:\u003c\/strong\u003e Ripper Lift Hydraulic Cylinder\u003c\/p\u003e\n\u003cp data-start=\"1232\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1232\" data-end=\"1246\"\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1379\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1271\"\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-start=\"1381\" data-end=\"2023\"\u003eThe \u003cstrong data-start=\"1385\" data-end=\"1431\"\u003e707-99-71420 Ripper Lift Cylinder Seal Kit\u003c\/strong\u003e is manufactured to OEM specifications for the \u003cstrong data-start=\"1478\" data-end=\"1512\"\u003eripper lift hydraulic cylinder\u003c\/strong\u003e fitted to selected \u003cstrong data-start=\"1532\" data-end=\"1575\"\u003eKomatsu D155A-2 and D155A-2A bulldozers\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 designed to restore hydraulic sealing performance, eliminate hydraulic oil leakage and maintain optimum cylinder pressure. Manufactured from premium sealing materials, it delivers dependable performance in demanding mining, quarrying, construction and heavy earthmoving environments.\u003c\/p\u003e\n\u003cp data-start=\"2025\" data-end=\"2670\"\u003eThe ripper lift hydraulic cylinder raises and lowers the rear ripper assembly, enabling efficient ground penetration, rock breaking and soil loosening before dozing operations. Continuous operation under high hydraulic pressures, severe shock loads and abrasive site conditions gradually wears the cylinder sealing components. Worn seals can cause hydraulic oil leakage, ripper drift, reduced lifting force, slow cylinder movement and internal hydraulic pressure bypass. Replacing the complete seal kit restores hydraulic efficiency, protects internal cylinder components and helps maximise bulldozer productivity while reducing costly downtime.\u003c\/p\u003e\n\u003cp data-start=\"2672\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2672\" data-end=\"2696\"\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2698\" data-end=\"2817\"\u003eMining • Quarrying • Construction • Heavy Earthmoving • Land Clearing • Road Construction • Site Preparation • Forestry\u003c\/p\u003e\n\u003cp data-start=\"2819\" data-end=\"2838\"\u003e\u003cstrong data-start=\"2819\" data-end=\"2838\"\u003eCommon Symptoms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2840\" data-end=\"3109\"\u003e\n\u003cli data-section-id=\"xbyzup\" data-start=\"2840\" data-end=\"2893\"\u003eHydraulic oil leakage from the ripper lift cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"xw9jz3\" data-start=\"2894\" data-end=\"2928\"\u003eRipper drifting during operation\u003c\/li\u003e\n\u003cli data-section-id=\"10t2gmi\" data-start=\"2929\" data-end=\"2959\"\u003eReduced ripper lifting force\u003c\/li\u003e\n\u003cli data-section-id=\"qjraaa\" data-start=\"2960\" data-end=\"2997\"\u003eSlow ripper raise or lower movement\u003c\/li\u003e\n\u003cli data-section-id=\"5jk99x\" data-start=\"2998\" data-end=\"3034\"\u003eInternal hydraulic pressure bypass\u003c\/li\u003e\n\u003cli data-section-id=\"1tk31xd\" data-start=\"3035\" data-end=\"3071\"\u003eDifficulty holding ripper position\u003c\/li\u003e\n\u003cli data-section-id=\"17ccprf\" data-start=\"3072\" data-end=\"3109\"\u003eReduced hydraulic system efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3111\" data-end=\"3143\"\u003e\u003cstrong data-start=\"3111\" data-end=\"3143\"\u003eCross-Reference Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3145\" data-end=\"3178\"\u003e\u003cstrong data-start=\"3145\" data-end=\"3165\"\u003eOEM Part Number:\u003c\/strong\u003e 707-99-71420\u003cstrong data-start=\"3180\" data-end=\"3213\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3275\" data-end=\"3296\"\u003e\u003cstrong data-start=\"3275\" data-end=\"3296\"\u003eCompatible Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3298\" data-end=\"3340\"\u003e\u003cstrong data-start=\"3298\" data-end=\"3313\"\u003eBulldozers:\u003c\/strong\u003e Komatsu D155A-2, D155A-2A.\u003c\/p\u003e\n\u003cp data-start=\"3342\" data-end=\"3358\"\u003e\u003cstrong data-start=\"3342\" data-end=\"3358\"\u003eFitment Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3360\" data-end=\"3701\"\u003ePlease verify the OEM part number, machine model, serial number and \u003cstrong data-start=\"3428\" data-end=\"3471\"\u003eripper lift hydraulic cylinder assembly\u003c\/strong\u003e before ordering. Komatsu may use different ripper 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\n\u003ch2 data-section-id=\"1bw7wp4\" data-start=\"1145\" data-end=\"1167\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e.\u003c\/span\u003e\u003c\/h2\u003e","brand":"Imara Engineering Supplies","offers":[{"title":"Default Title","offer_id":45129191686344,"sku":"707-99-71420","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\/ripper-lift-seal-kit-707-99-71420-7079971420-komatsu-d155a-2","provider":"Imara Engineering Supplies","version":"1.0","type":"link"}