{"id":49702,"date":"2026-01-26T00:40:54","date_gmt":"2026-01-26T05:40:54","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-139-9129-case-transfer-gear-1399129\/"},"modified":"2026-01-26T00:40:57","modified_gmt":"2026-01-26T05:40:57","slug":"caterpillar-139-9129-case-transfer-gear-1399129","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-139-9129-case-transfer-gear-1399129\/","title":{"rendered":"CATERPILLAR 139-9129 Case-Transfer Gear 1399129"},"content":{"rendered":"

Caterpillar 139-9129 Case-Transfer Gear \u2013 OEM-Grade Durability for Articulated Dump Trucks<\/strong><\/p>\n

The Caterpillar 139-9129 Case-Transfer Gear is a critical drivetrain component engineered for optimal performance and longevity in heavy-duty articulated dump trucks, including models 9LR-D350E, 8TF-D400D, 2JJ-D40D, 2YR-D400E, and 2XW-D350E II. Manufactured with precision metallurgy and designed to withstand extreme load conditions, this transfer gear ensures seamless torque distribution between the transmission and differential, enhancing vehicle stability and operational efficiency under demanding mining and construction environments.<\/p>\n

Constructed from high-strength alloy steel with exacting dimensional tolerances, the 139-9129 gear features robust teeth profiles that minimize wear and resist fatigue, significantly extending service intervals. Its compatibility with multiple Caterpillar articulated dump truck models guarantees OEM-grade quality and fitment, reducing downtime and maintenance costs. This gear\u2019s superior load-bearing capacity and resistance to harsh operational stresses make it an indispensable part for maintaining drivetrain integrity and maximizing machine uptime.<\/p>\n

For reliable sourcing of the Caterpillar 139-9129 Case-Transfer Gear and to ensure your equipment operates at peak performance, visit \ud83d\udd17 Caterpillar 139-9129 Case-Transfer Gear at AllParts Expert<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

9LR-D350E Articulated Dump Truck
\n8TF-D400D Articulated Dump Truck
\n2JJ-D40D Articulated Dump Truck
\n2YR-D400E Articulated Dump Truck
\n2XW-D350E II Articulated Dump Truck<\/p>","protected":false},"featured_media":49513,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[7163,7161,21042,7164,21043],"product_cat":[144],"product_tag":[327950,327943,327947,327959,327958,327960,327935,327955,327929,327945,327937,327942,327933,327952,327956,327931,327939,327948,327957,327954],"class_list":{"0":"post-49702","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-articulated-dump-truck","8":"model_no-d350e","9":"model_no-d350e-ii","10":"model_no-d400d","11":"model_no-d400e","12":"model_no-d40d","13":"product_cat-mining","14":"product_tag-139-9129-articulated-dump-truck-transmission-part","15":"product_tag-139-9129-case-gear-for-2yr-d400e","16":"product_tag-139-9129-cat-heavy-machinery-part","17":"product_tag-139-9129-caterpillar-articulated-dump-truck-part","18":"product_tag-139-9129-drivetrain-gear-cat","19":"product_tag-139-9129-gear-assembly-for-cat-equipment","20":"product_tag-139-9129-gear-for-9lr-d350e","21":"product_tag-139-9129-replacement-gear-for-cat-dump-trucks","22":"product_tag-139-9129-transfer-gear","23":"product_tag-139-9129-transfer-gear-for-2xw-d350e-ii","24":"product_tag-139-9129-transfer-gear-for-8tf-d400d","25":"product_tag-cat-139-9129-articulated-dump-truck-gear","26":"product_tag-cat-139-9129-articulated-dump-truck-part","27":"product_tag-cat-139-9129-heavy-equipment-gear","28":"product_tag-cat-139-9129-heavy-duty-gear","29":"product_tag-caterpillar-139-9129-case-transfer-gear","30":"product_tag-caterpillar-139-9129-for-2jj-d40d","31":"product_tag-caterpillar-139-9129-mining-equipment-gear","32":"product_tag-caterpillar-139-9129-spare-parts","33":"product_tag-caterpillar-139-9129-truck-transfer-gear","35":"first","36":"instock","37":"shipping-taxable","38":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/49702","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=49702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/49513"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=49702"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=49702"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=49702"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=49702"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=49702"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=49702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}