{"id":15961,"date":"2025-07-31T13:27:36","date_gmt":"2025-07-31T17:27:36","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-6a-9521-shaft-as-6a9521\/"},"modified":"2025-08-21T20:11:49","modified_gmt":"2025-08-22T00:11:49","slug":"caterpillar-6a-9521-shaft-as-6a9521","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-6a-9521-shaft-as-6a9521\/","title":{"rendered":"CATERPILLAR 6A-9521 Shaft AS 6A9521"},"content":{"rendered":"<p><strong>Caterpillar 6A-9521 Shaft AS \u2013 OEM-Grade Heavy Equipment Drivetrain Component<\/strong><\/p>\n<p>The Caterpillar 6A-9521 Shaft AS is a precision-engineered drivetrain component designed for optimal performance and durability in a wide range of Caterpillar heavy machinery, including asphalt pavers (models 1BF-AP-800B, 1BF-AP-800, 9AL-BG-230, and others) and backhoe loaders (models 5YN-416C, 2CR-428C, 1XR-416C, among many). Manufactured using high-grade alloy steel with advanced metallurgy processes, this shaft offers superior resistance to wear, fatigue, and load conditions typically encountered in demanding construction environments. Its exacting dimensions and tolerances ensure seamless integration with existing drivetrain assemblies, maintaining machine efficiency and minimizing downtime.<\/p>\n<p>This shaft&rsquo;s robust design supports heavy torque transmission and vibration absorption, critical for maintaining drivetrain stability under variable load conditions. The Caterpillar 6A-9521 Shaft AS delivers enhanced operational reliability, reducing maintenance frequency and extending service life. Its compatibility across multiple Caterpillar models makes it a versatile replacement part, ensuring OEM-grade quality and performance consistency. By utilizing this shaft, operators benefit from improved machine uptime, smoother power delivery, and sustained productivity on the job site.<\/p>\n<p>\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 6A-9521 Shaft AS, visit the official product page at <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-6a-9521-shaft-as-6a9521\/\">Caterpillar 6A-9521 Shaft AS on AllParts Expert<\/a>. <\/p>\n<p>Optimize your heavy equipment\u2019s drivetrain with this durable, high-performance Caterpillar shaft designed for asphalt pavers and backhoe loaders, ensuring maximum reliability and operational efficiency.<\/p>","protected":false},"excerpt":{"rendered":"<p>1BF-AP-800B Asphalt Paver<br \/>\n1BF-AP-800 Asphalt Paver<br \/>\n9AL-BG-230 Asphalt Paver<br \/>\n1PM-AP-800C Asphalt Paver<br \/>\n9XJ-BG-210B Asphalt Paver<br \/>\n6YK-BG-225B Asphalt Paver<br \/>\n7EC-WE-601B Asphalt Paver<br \/>\n5YN-416C Backhoe Loader<br \/>\n2CR-428C Backhoe Loader<br \/>\n1XR-416C Backhoe Loader<br \/>\n8RN-428C Backhoe Loader<br \/>\n1WR-416C Backhoe Loader<br \/>\n4ZN-416C Backhoe Loader<br \/>\n8SG-416B Backhoe Loader<br \/>\n8ZK-416B Backhoe Loader<br \/>\n5PC-416 Backhoe Loader<br \/>\n7BC-426 Backhoe Loader<br \/>\n7EJ-428B Backhoe Loader<br \/>\n6TC-428 Backhoe Loader<br \/>\n5YJ-426B Backhoe Loader<br \/>\n6KL-426B Backhoe Loader<br \/>\n6MJ-436B Backhoe Loader<br \/>\n7FL-436B Backhoe Loader<br \/>\n5KF-436 Backhoe Loader<br \/>\n3KK-438B Backhoe Loader<br \/>\n3DJ-438 Backhoe Loader<br \/>\n1CR-426C Backhoe Loader<br \/>\n1ER-426C Backhoe Loader<br \/>\n1MR-426C Backhoe Loader<br \/>\n1NR-426C Backhoe Loader<br \/>\n1YR-426C Backhoe Loader<br \/>\n1ZR-426C Backhoe Loader<br \/>\n6XN-426C Backhoe Loader<br \/>\n7WN-426C Backhoe Loader<br \/>\n1FR-436C Backhoe Loader<br \/>\n1PR-436C Backhoe Loader<br \/>\n1RR-436C Backhoe Loader<br \/>\n2AR-436C Backhoe Loader<br \/>\n2BR-436C Backhoe Loader<br \/>\n8TN-436C Backhoe Loader<br \/>\n9JN-436C Backhoe<\/p>","protected":false},"featured_media":15502,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[32371],"model_no":[73016,73333,72191,44025,20061,7084,7032,7042,7045,7048,7049,7050,38073,41440,38072,38088,7174,7170,38075,41442,38068,38831,41441,7171,38832,41443,7172,56969,22312,22313,22314,22341,22343,22345,73339,73022,56966,11858,19878,11859,73023,73024,38687,19880,73340,73017,38688,19881,73341,73018,73342,73019,39177,7083,1051,73020,73332,73336,73337,56965,73338,56964,73021,40995,40994,40996,40997,2751,40998,40992,40993,40991,72412],"product_cat":[144],"product_tag":[80712,46178,87846,87844,66848,57249,87837,87840,87842,59977,87847,87845,83825,87841,80740,87843,87848,87839,54778,87838,87849],"class_list":{"0":"post-15961","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-asphalt-paver","8":"model_no-73016","9":"model_no-73333","10":"model_no-72191","11":"model_no-44025","12":"model_no-20061","13":"model_no-7084","14":"model_no-307-a","15":"model_no-312-a","16":"model_no-315-a","17":"model_no-317-n","18":"model_no-317-a","19":"model_no-317-a-n","20":"model_no-38073","21":"model_no-416b","22":"model_no-416c","23":"model_no-38088","24":"model_no-426b","25":"model_no-426c","26":"model_no-38075","27":"model_no-428b","28":"model_no-428c","29":"model_no-38831","30":"model_no-436b","31":"model_no-436c","32":"model_no-38832","33":"model_no-438b","34":"model_no-438c","35":"model_no-914g","36":"model_no-ap-800","37":"model_no-ap-800b","38":"model_no-ap-800c","39":"model_no-bg-210b","40":"model_no-bg-225b","41":"model_no-bg-230","42":"model_no-cb-424","43":"model_no-cb-434b","44":"model_no-cb-434c","45":"model_no-cb-534b","46":"model_no-cb-534c","47":"model_no-cb-535b","48":"model_no-cb-544","49":"model_no-cb-545","50":"model_no-cp-323","51":"model_no-cp-323c","52":"model_no-cp-433b","53":"model_no-cp-433c","54":"model_no-cs-323","55":"model_no-cs-323c","56":"model_no-cs-431b","57":"model_no-cs-431c","58":"model_no-cs-433b","59":"model_no-cs-433c","60":"model_no-it14g","61":"model_no-m312","62":"model_no-m315","63":"model_no-pf-300b","64":"model_no-pr-75","65":"model_no-ps-110","66":"model_no-ps-130","67":"model_no-ps-150b","68":"model_no-ps-180","69":"model_no-ps-200b","70":"model_no-ps-300b","71":"model_no-rt50","72":"model_no-rt50sa","73":"model_no-rt60","74":"model_no-rtc60","75":"model_no-th103","76":"model_no-th62","77":"model_no-th63","78":"model_no-th82","79":"model_no-th83","80":"model_no-we-601b","81":"product_cat-mining","82":"product_tag-1bf-ap-800-asphalt-paver-spare","83":"product_tag-1pm-ap-800c-paver-parts","84":"product_tag-1wr-416c-cat-loader-shaft","85":"product_tag-1xr-416c-loader-components","86":"product_tag-2cr-428c-cat-backhoe-parts","87":"product_tag-4zn-416c-backhoe-loader-parts","88":"product_tag-6a-9521-shaft","89":"product_tag-6a9521-caterpillar-shaft","90":"product_tag-6yk-bg-225b-paver-replacement","91":"product_tag-7bc-426-backhoe-loader-parts","92":"product_tag-7ej-428b-backhoe-loader-spares","93":"product_tag-8rn-428c-backhoe-spare-parts","94":"product_tag-9al-bg-230-paver-components","95":"product_tag-9xj-bg-210b-asphalt-paver","96":"product_tag-asphalt-paver-parts-1bf-ap-800b","97":"product_tag-backhoe-loader-parts-5yn-416c","98":"product_tag-cat-6a-9521-shaft-mining-equipment","99":"product_tag-cat-6a9521-shaft-part","100":"product_tag-cat-backhoe-loader-spare-parts","101":"product_tag-caterpillar-6a-9521","102":"product_tag-construction-machinery-shaft-6a9521","104":"first","105":"instock","106":"shipping-taxable","107":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/15961","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=15961"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/15502"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=15961"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=15961"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=15961"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=15961"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=15961"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=15961"}],"curies":[{"name":"wp","href":"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