{"id":44406,"date":"2025-12-10T09:51:31","date_gmt":"2025-12-10T14:51:31","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-6y-6921-gear-6y6921\/"},"modified":"2025-12-10T09:51:34","modified_gmt":"2025-12-10T14:51:34","slug":"caterpillar-6y-6921-gear-6y6921","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-6y-6921-gear-6y6921\/","title":{"rendered":"CATERPILLAR 6Y-6921 Gear 6Y6921"},"content":{"rendered":"<p><strong>Caterpillar 6Y-6921 Gear \u2013 OEM-Grade Durability for Track-Type Tractors and Pipelayers<\/strong><\/p>\n<p>The Caterpillar 6Y-6921 Gear is a precision-engineered drivetrain component designed to meet the rigorous demands of heavy-duty Caterpillar machinery, including a wide range of track-type tractors and pipelayers such as models 8HB-578, 1MK-57H, 9EB-57H, 4EB-7A, and many others. Manufactured using high-grade alloy steel with advanced metallurgy processes, this gear ensures exceptional resistance to wear, fatigue, and high load conditions. With exacting dimensions tailored to fit seamlessly within the drivetrain assembly, the 6Y-6921 gear maintains optimal torque transmission and mechanical efficiency, critical for maintaining peak operational performance in harsh mining and construction environments.<\/p>\n<p>Technically, the 6Y-6921 gear features precision-machined teeth profiles that reduce backlash and improve load distribution, enhancing the overall drivetrain reliability and extending service intervals. Its robust construction supports heavy load cycles and shock loads typical in track-type tractor applications, including models like the 8LH-7SU, 4AB-D7H, and 2KH-7. This gear\u2019s OEM-grade quality guarantees compatibility and performance parity with original Caterpillar specifications, ensuring your equipment operates at maximum efficiency with minimized downtime. Investing in the Caterpillar 6Y-6921 gear means superior durability, reduced maintenance costs, and sustained productivity across your fleet.<\/p>\n<p>For detailed specifications and to purchase the Caterpillar 6Y-6921 Gear, visit the official parts page here: \ud83d\udd17 <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-6y-6921-gear-6y6921\/\">Caterpillar 6Y-6921 Gear at AllParts.Expert<\/a>. Enhance your heavy equipment\u2019s drivetrain performance with this essential, high-quality replacement part optimized for a broad range of Caterpillar track-type tractors and pipelayers.<\/p>","protected":false},"excerpt":{"rendered":"<p>8HB-578 Pipelayer<br \/>\n1MK-57H Track-type Tractor<br \/>\n9EB-57H Track-type Tractor<br \/>\n4EB-7A Track-type Tractor<br \/>\n4DB-7SU Track-type Tractor<br \/>\n6JB-7S Track-type Tractor<br \/>\n6KB-7S Track-type Tractor<br \/>\n5SB-7U Track-type Tractor<br \/>\n5HC-7 Track-type Tractor<br \/>\n4FG-D7H Track-type Tractor<br \/>\n5BF-D7H Track-type Tractor<br \/>\n8LH-7SU Track-type Tractor<br \/>\n8NH-7S Track-type Tractor<br \/>\n8RH-7S Track-type Tractor<br \/>\n8MH-7U Track-type Tractor<br \/>\n4AB-D7H Track-type Tractor<br \/>\n5WB-D7H Track-type Tractor<br \/>\n79Z-D7H Track-type Tractor<br \/>\n80Z-D7H Track-type Tractor<br \/>\n2KH-7 Track-type Tractor<br \/>\n4ZC-7A Track-type Tractor<br \/>\n2JH-7SU Track-type Tractor<br \/>\n3GH-7S Track-type Tractor<br \/>\n4XC-7S Track-type Tractor<br \/>\n7AC-7U Track-type Tractor<br \/>\n2RG-D7H Track-type Tractor<br \/>\n3XG-D7H Track-type Tractor<br \/>\n8JH-7S LGP Track-type Tractor<br \/>\n8EH-7SU Track-type Tractor<br \/>\n8GH-7S Track-type Tractor<br \/>\n8SH-7 Track-type Tractor<br \/>\n2EN-D7R Track-type Tractor<br \/>\n2HR-D7R Track-type Tractor<br \/>\n3DN-D7R Track-type Tractor<br \/>\n9HM-D7R Track-type Tractor<\/p>","protected":false},"featured_media":43776,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[19934],"model_no":[19936,21060,20589,20585,20587,41230,20586,20588,2071,2072],"product_cat":[144],"product_tag":[280666,282169,282160,282137,146335,282150,282172,282154,282147,274995,282163,282116,282125,282129,163026,282166,52177,50116,282107,282157,282158,50112,282134,282140,282119,274949,282143,282122,282132],"class_list":{"0":"post-44406","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-pipelayer","8":"model_no-19936","9":"model_no-57h","10":"model_no-20589","11":"model_no-7a","12":"model_no-7s","13":"model_no-7s-lgp","14":"model_no-7su","15":"model_no-7u","16":"model_no-d7h","17":"model_no-d7r","18":"product_cat-mining","19":"product_tag-1mk-57h-track-type-tractor-parts","20":"product_tag-2kh-7-track-type-tractor-parts","21":"product_tag-4ab-d7h-track-type-tractor-components","22":"product_tag-4db-7su-track-type-tractor-replacement","23":"product_tag-4eb-7a-track-type-tractor-parts","24":"product_tag-4fg-d7h-track-type-tractor","25":"product_tag-4zc-7a","26":"product_tag-5bf-d7h-track-type-tractor-components","27":"product_tag-5hc-7-heavy-equipment-parts","28":"product_tag-5sb-7u-track-type-tractor-parts","29":"product_tag-5wb-d7h-tractor-parts","30":"product_tag-6y-6921-gear","31":"product_tag-6y-6921-heavy-machinery-gear","32":"product_tag-6y-6921-mining-equipment-gear","33":"product_tag-79z-d7h-track-type-tractor-parts","34":"product_tag-80z-d7h-track-type-tractor-replacement","35":"product_tag-8hb-578-pipelayer-parts","36":"product_tag-8lh-7su-track-type-tractor-parts","37":"product_tag-8mh-7u-track-type-tractor-parts","38":"product_tag-8nh-7s-track-type-tractor","39":"product_tag-8rh-7s-parts-for-track-type-tractor","40":"product_tag-9eb-57h-track-type-tractor-parts","41":"product_tag-cat-1mk-57h-tractor-components","42":"product_tag-cat-6jb-7s-track-type-tractor-parts","43":"product_tag-cat-6y-6921-parts","44":"product_tag-cat-8hb-578-pipelayer","45":"product_tag-caterpillar-6kb-7s-tractor-components","46":"product_tag-caterpillar-6y-6921-gear-replacement","47":"product_tag-caterpillar-8hb-578-pipelayer-components","49":"first","50":"instock","51":"shipping-taxable","52":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/44406","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=44406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/43776"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=44406"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=44406"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=44406"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=44406"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=44406"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=44406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}