{"id":38515,"date":"2025-10-23T21:32:48","date_gmt":"2025-10-24T01:32:48","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-134-6446-cover-pump-gear-1346446\/"},"modified":"2025-10-23T21:32:51","modified_gmt":"2025-10-24T01:32:51","slug":"caterpillar-134-6446-cover-pump-gear-1346446","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-134-6446-cover-pump-gear-1346446\/","title":{"rendered":"CATERPILLAR 134-6446 Cover-Pump Gear 1346446"},"content":{"rendered":"<p><strong>Caterpillar 134-6446 Cover-Pump Gear \u2013 OEM-Grade Durability for Heavy-Duty Track-Type Tractors and Pipelayers<\/strong><\/p>\n<p>The Caterpillar 134-6446 Cover-Pump Gear is a precision-engineered component designed for optimal performance and longevity in demanding applications. Compatible with a wide range of Caterpillar models including the 31Z-589 Pipelayer, 8BL-D9R, 7TL-D9R, 1JD-D9N, and multiple D9 series Track-type Tractors, this pump gear is manufactured to meet stringent OEM specifications. Crafted from high-grade alloy steel with advanced metallurgy treatments, it ensures superior wear resistance and strength under heavy load conditions. The gear\u2019s exact dimensions and tooth profile are engineered to maintain seamless integration within the drivetrain, delivering consistent hydraulic pump operation critical for machine efficiency.<\/p>\n<p>Technically, the 134-6446 Cover-Pump Gear features precision-machined teeth that optimize torque transmission and reduce mechanical stress, enhancing the lifespan of the hydraulic system. Its robust construction withstands harsh environments and high-pressure scenarios typical in mining, construction, and earthmoving operations. This component\u2019s compatibility with a broad spectrum of Caterpillar track-type tractors and pipelayers underscores its versatility and reliability. Investing in this OEM-grade pump gear guarantees reduced downtime, improved machine performance, and adherence to Caterpillar\u2019s strict quality standards.<\/p>\n<p>\ud83d\udd17 For detailed specifications and to purchase the Caterpillar 134-6446 Cover-Pump Gear, visit <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-134-6446-cover-pump-gear-1346446\/\">AllParts Expert\u2019s Caterpillar 134-6446 Cover-Pump Gear product page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>31Z-589 Pipelayer<br \/>\n8BL-D9R Track-type Tractor<br \/>\n7TL-D9R Track-type Tractor<br \/>\n1JD-D9N Track-type Tractor<br \/>\nABK-D9R Track-type Tractor<br \/>\nACL-D9R Track-type Tractor<br \/>\n1NH-9 Track-type Tractor<br \/>\n1PH-9 Track-type Tractor<br \/>\n9EA-58L Track-type Tractor<br \/>\n9EA-59L Track-type Tractor<br \/>\n9EA-59N Track-type Tractor<br \/>\n1MH-9SU Track-type Tractor<br \/>\n7NH-9SU Track-type Tractor<br \/>\n1LH-9U Track-type Tractor<br \/>\n7PH-9U Track-type Tractor<br \/>\n53Y-D8L Track-type Tractor<br \/>\n7YB-D8L Track-type Tractor<br \/>\n14Y-D9L Track-type Tractor<br \/>\n6XJ-D9N Track-type Tractor<br \/>\nHWH-D9R Track-type Tractor<br \/>\nJJB-D9R Track-type Tractor<br \/>\nWDM-D9R Track-type Tractor<br \/>\n8XB-58 Track-type Tractor<\/p>","protected":false},"featured_media":36697,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[19934],"model_no":[21404,20584,1671,1672,1673,1670,1674,1675,19937,18107,1669,1666],"product_cat":[144],"product_tag":[236464,50002,51869,197988,236489,236480,52212,51820,52622,236502,236492,236495,236474,60158,60149,51821,45845,236484,67955,236477,174188,236468,236513,236463,8768,139148,236505,236508],"class_list":{"0":"post-38515","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-pipelayer","8":"model_no-21404","9":"model_no-20584","10":"model_no-58l","11":"model_no-59l","12":"model_no-59n","13":"model_no-1670","14":"model_no-9su","15":"model_no-9u","16":"model_no-d8l","17":"model_no-d9l","18":"model_no-d9n","19":"model_no-d9r","20":"product_cat-mining","21":"product_tag-1346446-pump-gear-cover","22":"product_tag-14y-d9l-track-type-tractor-parts","23":"product_tag-1jd-d9n-track-tractor-parts","24":"product_tag-1lh-9u-track-type-tractor-parts","25":"product_tag-1mh-9su-caterpillar-parts","26":"product_tag-1nh-9-tractor-spare-parts","27":"product_tag-1ph-9-track-tractor-parts","28":"product_tag-31z-589-pipelayer-parts","29":"product_tag-53y-d8l-track-type-tractor-parts","30":"product_tag-6xj-d9n-pump-gear-cover","31":"product_tag-7nh-9su-track-type-parts","32":"product_tag-7ph-9u-pump-gear-cover","33":"product_tag-7tl-d9r-pump-gear-cover","34":"product_tag-7yb-d8l-caterpillar-parts","35":"product_tag-8bl-d9r-spare-parts","36":"product_tag-8xb-58-track-type-tractor-parts","37":"product_tag-9ea-58l-track-type-parts","38":"product_tag-9ea-59l-pump-gear-cover","39":"product_tag-9ea-59n-track-tractor-parts","40":"product_tag-abk-d9r-pump-gear-cover","41":"product_tag-acl-d9r-caterpillar-parts","42":"product_tag-cat-134-6446-cover-pump-gear","43":"product_tag-cat-pump-gear-cover-134-6446","44":"product_tag-caterpillar-134-6446","45":"product_tag-d9r-track-type-tractor-parts","46":"product_tag-hwh-d9r-track-type-tractor-parts","47":"product_tag-jjb-d9r-caterpillar-parts","48":"product_tag-wdm-d9r-pump-gear-cover","50":"first","51":"instock","52":"shipping-taxable","53":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/38515","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=38515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/36697"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=38515"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=38515"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=38515"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=38515"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=38515"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=38515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}