{"id":32854,"date":"2025-10-07T17:39:35","date_gmt":"2025-10-07T21:39:35","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-123-6383-switch-as-rotary-1236383\/"},"modified":"2025-10-07T17:39:37","modified_gmt":"2025-10-07T21:39:37","slug":"caterpillar-123-6383-switch-as-rotary-1236383","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-123-6383-switch-as-rotary-1236383\/","title":{"rendered":"CATERPILLAR 123-6383 Switch AS-Rotary 1236383"},"content":{"rendered":"<p><strong>Caterpillar 126-1978 Ring-Back Up Seal \u2013 OEM-Grade Durability for Excavator Hydraulic Systems<\/strong><\/p>\n<p>The Caterpillar 126-1978 Ring-Back Up is a precision-engineered sealing component designed specifically for a wide range of Caterpillar excavators, including models such as TBA-345C, PAS-374D L, AKJ-345B II, DER-365B II, and many others. Manufactured to meet stringent OEM specifications, this ring-back up seal ensures optimal sealing performance under high-pressure hydraulic conditions. Crafted from advanced elastomeric materials combined with reinforced back-up rings, it provides exceptional resistance to extrusion, wear, and thermal degradation, essential for maintaining the integrity of the drivetrain and hydraulic cylinders.<\/p>\n<p>This ring-back up seal features a robust design that supports high load conditions and dynamic movements typical in heavy-duty excavator operations. Its metallurgy and polymer composition are optimized for compatibility with hydraulic fluids, ensuring long service life and minimal maintenance downtime. The precise dimensions and tolerances guarantee a perfect fit within the hydraulic assembly, preventing fluid leaks and enhancing overall machine efficiency. Ideal for use in models such as the MCY-365C L, MFL-374F L, and WAW-385C L MH excavators, the 126-1978 seal is a critical component for maintaining peak operational performance and reliability in demanding construction environments.<\/p>\n<p>For authentic Caterpillar spare parts that deliver superior durability and performance, explore the full product details and secure your 126-1978 Ring-Back Up seal here: \ud83d\udd17 <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-126-1978-ring-back-up-1261978\/\">Caterpillar 126-1978 Ring-Back Up Seal at AllParts Expert<\/a>. Ensure your excavator\u2019s hydraulic systems operate flawlessly with this essential OEM-grade replacement part.<\/p>","protected":false},"excerpt":{"rendered":"<p>MXY&#8211; Control, Guidance, Monitoring, And Technology Products<br \/>\nMXZ&#8211; Control, Guidance, Monitoring, And Technology Products<br \/>\nAKP-IT62G Integrated Toolcarrier<br \/>\n6PS-IT62G Integrated Toolcarrier<br \/>\nLJB-R1300G Load, Haul, Dump<br \/>\nKT4-R1700 Load, Haul, Dump<br \/>\nJLK-R2900G Load, Haul, Dump<br \/>\nNJB-R1300G Load, Haul, Dump<br \/>\n8XZ-R1700G Load, Haul, Dump<br \/>\nGLK-R2900G Load, Haul, Dump<br \/>\n6QW-R1300 Load, Haul, Dump<br \/>\n9PP-R1600G Load, Haul, Dump<br \/>\n9XP-R1600 Load, Haul, Dump<br \/>\n5TW-R2900 Load, Haul, Dump<br \/>\nRCM-R3000H Load, Haul, Dump<br \/>\nRSL-R1300G II Load, Haul, Dump<br \/>\n9EW-R1600 Load, Haul, Dump<br \/>\nSBR-R1700G Load, Haul, Dump<br \/>\nNLK-R2900G Load, Haul, Dump<br \/>\nBAR-R2900 Load, Haul, Dump<br \/>\nZLK-R2900 Load, Haul, Dump<br \/>\nRCY-R3000H Load, Haul, Dump<br \/>\n9YZ-R1600G Load, Haul, Dump<br \/>\n9SD-R1600H Load, Haul, Dump<br \/>\nXBR-R1700G Load, Haul, Dump<br \/>\nB94-14L Motor Grader<br \/>\nBB7-14 Motor Grader<br \/>\nASX-824H Wheel Dozer<br \/>\nBTX-834H Wheel Dozer<br \/>\nBTW-844H Wheel Dozer<br \/>\nA4W-854G Wheel Dozer<br \/>\nAWW-824G II Wheel Dozer<br \/>\nAMP-854G Wheel Dozer<br \/>\n4SN-824G Wheel Dozer<br \/>\n6GZ-834G Wheel Dozer<br \/>\nBPC-8<\/p>","protected":false},"featured_media":32520,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[22241],"model_no":[76368,2496,1821,9731,9732,2516,2517,2682,8176,1656,774,777,2479,2480,2460,73,74,2684,7879,1822,1659,1658,2688,1265,1266,71,778,26021,1820,645,26013,26014,26015,26017,26012,26020,5862,26019],"product_cat":[144],"product_tag":[199170,199172,199173,199168,199166,199176,199174,199169,199171,199167,199165,116319,118932,199175],"class_list":{"0":"post-32854","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-technology-products","8":"model_no-76368","9":"model_no-14l","10":"model_no-824g","11":"model_no-824g-ii","12":"model_no-824h","13":"model_no-834g","14":"model_no-834h","15":"model_no-844h","16":"model_no-854g","17":"model_no-854k","18":"model_no-950g","19":"model_no-962g","20":"model_no-966g","21":"model_no-972g","22":"model_no-980g","23":"model_no-988g","24":"model_no-988h","25":"model_no-2684","26":"model_no-990-ii","27":"model_no-990h","28":"model_no-992g","29":"model_no-992k","30":"model_no-993k","31":"model_no-1265","32":"model_no-994d","33":"model_no-994f","34":"model_no-it62g","35":"model_no-r1300","36":"model_no-r1300g","37":"model_no-r1300g-ii","38":"model_no-r1600","39":"model_no-r1600g","40":"model_no-r1600h","41":"model_no-r1700","42":"model_no-r1700g","43":"model_no-r2900","44":"model_no-r2900g","45":"model_no-r3000h","46":"product_cat-mining","47":"product_tag-126-1978-excavator-part","48":"product_tag-126-1978-for-cat-345b-excavator","49":"product_tag-126-1978-for-cat-374f-l-excavator","50":"product_tag-126-1978-seal-ring","51":"product_tag-1261978-ring-back-up","52":"product_tag-1261978-seal-for-cat-excavators","53":"product_tag-cat-126-1978-replacement-part","54":"product_tag-cat-1261978-spare-part","55":"product_tag-cat-excavator-1261978","56":"product_tag-cat-ring-back-up-126-1978","57":"product_tag-caterpillar-126-1978","58":"product_tag-caterpillar-excavator-ring","59":"product_tag-construction-machinery-ring","60":"product_tag-heavy-machinery-ring-back-up","62":"first","63":"instock","64":"shipping-taxable","65":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/32854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/comments?post=32854"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/32520"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=32854"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=32854"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=32854"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=32854"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=32854"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=32854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}