{"id":15910,"date":"2025-07-31T12:22:57","date_gmt":"2025-07-31T16:22:57","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-038-7221-bolt-locking-0387221\/"},"modified":"2025-08-21T19:03:23","modified_gmt":"2025-08-21T23:03:23","slug":"caterpillar-038-7221-bolt-locking-0387221","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-038-7221-bolt-locking-0387221\/","title":{"rendered":"CATERPILLAR 038-7221 Bolt-Locking 0387221"},"content":{"rendered":"

Caterpillar 038-7221 Bolt-Locking \u2013 OEM-Grade Durability for Wheel Tractor-Scrapers<\/strong><\/p>\n

The Caterpillar 038-7221 Bolt-Locking component is engineered specifically for a wide range of Caterpillar Wheel Tractor-Scraper models, including 1HB-637E, 7CB-637E, 1LB-637E, and many others. Manufactured to meet stringent OEM specifications, this bolt-locking part ensures optimal fastening performance under extreme load conditions typical in heavy earthmoving operations. Crafted from high-grade alloy steel with precision metallurgy, it offers exceptional tensile strength and resistance to shear forces, making it indispensable for maintaining drivetrain integrity and operational safety.<\/p>\n

Designed for seamless compatibility with multiple Cat Wheel Tractor-Scraper series such as 20W-637D, 21W-637D, 22W-637D, and extending through to 91Z-657E models, the 038-7221 Bolt-Locking delivers superior wear resistance and corrosion protection. Its robust design minimizes loosening and fatigue failures, thereby enhancing machine uptime and reducing maintenance intervals. This bolt-locking solution is critical for securing key drivetrain assemblies and ensuring consistent torque retention, which translates into improved machine reliability and performance on demanding job sites.<\/p>\n

For genuine Caterpillar parts that guarantee durability and precision fitment, explore the full specifications and availability of the 038-7221 Bolt-Locking here: \ud83d\udd17 Caterpillar 038-7221 Bolt-Locking Part Details<\/a>. Optimize your heavy equipment maintenance with this essential OEM-grade component designed for peak performance in harsh working environments.<\/p>","protected":false},"excerpt":{"rendered":"

1HB-637E Wheel Tractor-scraper
\n7CB-637E Wheel Tractor-scraper
\n1LB-637E Wheel Tractor-scraper
\n37V-627B Wheel Tractor-scraper
\n38V-627B Wheel Tractor-scraper
\n20W-637D Wheel Tractor-scraper
\n21W-637D Wheel Tractor-scraper
\n22W-637D Wheel Tractor-scraper
\n23W-637D Wheel Tractor-scraper
\n4JB-637D Wheel Tractor-scraper
\nAWE-637G Wheel Tractor-scraper
\nAYN-637G Wheel Tractor-scraper
\nCEJ-637G Wheel Tractor-scraper
\nCEM-637G Wheel Tractor-scraper
\nDEX-637G Wheel Tractor-scraper
\nDEY-637G Wheel Tractor-scraper
\nWTT-637K Wheel Tractor-scraper
\n88X-639D Wheel Tractor-scraper
\nWTS-637K Wheel Tractor-scraper
\nWTY-637K Wheel Tractor-scraper
\nWYN-637 Wheel Tractor-scraper
\nWYR-637 Wheel Tractor-scraper
\nWYS-637 Wheel Tractor-scraper
\nWYT-637 Wheel Tractor-scraper
\nDFJ-637G Wheel Tractor-scraper
\nWTX-637K Wheel Tractor-scraper
\n89Z-651E Wheel Tractor-scraper
\n90Z-657E Wheel Tractor-scraper
\n91Z-657E Wheel Tractor-scraper<\/p>","protected":false},"featured_media":15658,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[18046],"model_no":[6741,6730,15475,8800,15479,37557,15476,6718,6719],"product_cat":[144],"product_tag":[86834,86835,86823,86837,86836,86838,86839,86814,86833,86841,86832,86842,86840],"class_list":{"0":"post-15910","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-wheel-tractor-scraper","8":"model_no-627b","9":"model_no-6730","10":"model_no-637d","11":"model_no-637e","12":"model_no-637g","13":"model_no-637k","14":"model_no-639d","15":"model_no-651e","16":"model_no-657e","17":"product_cat-mining","18":"product_tag-038-7221-wheel-tractor-scraper-bolt","19":"product_tag-1hb-637e-spare-parts","20":"product_tag-20w-637d-bolt-locking-cat","21":"product_tag-37v-627b-caterpillar-parts","22":"product_tag-7cb-637e-wheel-tractor-scraper-components","23":"product_tag-88x-639d-wheel-tractor-scraper-bolt","24":"product_tag-89z-651e-scraper-bolt-0387221","25":"product_tag-91z-657e-cat-bolt-locking","26":"product_tag-cat-0387221-bolt-locking","27":"product_tag-cat-bolt-0387221-for-mining-equipment","28":"product_tag-caterpillar-038-7221","29":"product_tag-construction-machinery-bolt-locking-038-7221","30":"product_tag-wheel-tractor-scraper-038-7221-replacement","32":"first","33":"instock","34":"shipping-taxable","35":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/15910","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=15910"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/15658"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=15910"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=15910"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=15910"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=15910"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=15910"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=15910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}