{"id":55049,"date":"2026-02-26T20:03:33","date_gmt":"2026-02-27T01:03:33","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d400d-6n-7378-pulley-crankshaft-6n7378-caterpillar-mining\/"},"modified":"2026-02-26T20:03:36","modified_gmt":"2026-02-27T01:03:36","slug":"cat-d400d-6n-7378-pulley-crankshaft-6n7378-caterpillar-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d400d-6n-7378-pulley-crankshaft-6n7378-caterpillar-mining\/","title":{"rendered":"CAT D400D 6N-7378 PULLEY-CRANKSHAFT 6N7378 | Caterpillar | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 6N-7378 Pulley-Crankshaft 6N7378 | Fits D400D, D40D, D350E II Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 6N-7378 Pulley-Crankshaft 6N7378 is a precision-engineered OEM replacement component designed for D400D, D40D, and D350E II excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this pulley-crankshaft supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 6N-7378 pulley-crankshaft is essential for:<br \/>\n&#8211; Professional maintenance of CAT excavators.<br \/>\n&#8211; Direct replacement of worn structural and pivot components.<br \/>\n&#8211; Heavy-duty mining and earthmoving operations.<br \/>\n&#8211; Maintaining proper alignment in equipment linkage systems.<\/p>\n<p>\u2e3b<\/p>\n<p>Fits The Following Models<br \/>\n&#8211; CAT D400D Excavator<br \/>\n&#8211; CAT D40D Excavator<br \/>\n&#8211; CAT D350E II Excavator<br \/>\n&#8211; CAT D35HP Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 6N-7378<br \/>\nBrand: Caterpillar<br \/>\nCategory: Mining<br \/>\nMachine Type: Hydraulic Excavator<br \/>\nCondition: OEM \/ Genuine-Style Replacement  <\/p>\n<p>\u2e3b<\/p>\n<p>Product Details and Availability<br \/>\nIn Stock (if confirmed).<br \/>\nGlobal Shipping Available.<br \/>\nSerial Number Verification Support.<br \/>\nRequest Fast Quote for Current Market Pricing.<\/p>\n<p>Access full technical specifications and availability here:<br \/>\n<a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d400d-6n-7378-pulley-crankshaft-6n7378-caterpillar-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-d400d-6n-7378-pulley-crankshaft-6n7378-caterpillar-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Direct OEM Genuine<\/p>\n<p>Multi-Model Compatibility<\/p>\n<p>Heavy-Duty Mining Grade<\/p>\n<p>Serial Verification Available<\/p>\n<p>Worldwide Shipping<\/p>","protected":false},"featured_media":54848,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[21046,6688,6689,39312,39313,38118,40200,36364,2943,42462,42463,42464,66,36340,41445,7163,7161,7168,7169,21042,7164,7162,21043,42468,42469,42470,42471,21047,21048,42433,19877,19875,42040,367954,3372,36352],"product_cat":[144],"product_tag":[367949,50655,367950,62744,51484,51069,136665,367953,367946,61435,72410,64107,367948,367945,286426,367947,367952,367944,95327,367951],"class_list":{"0":"post-55049","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-21046","9":"model_no-3406b","10":"model_no-3406c","11":"model_no-3406e","12":"model_no-39313","13":"model_no-c-15","14":"model_no-c-16","15":"model_no-c-18","16":"model_no-c15","17":"model_no-c15-gen-se","18":"model_no-c15-genset","19":"model_no-c15-i6","20":"model_no-c18","21":"model_no-c18-gen-se","22":"model_no-c18-i6","23":"model_no-d350e","24":"model_no-d350e-ii","25":"model_no-d35hp","26":"model_no-d400","27":"model_no-d400d","28":"model_no-d400e","29":"model_no-d400e-ii","30":"model_no-d40d","31":"model_no-d450gc","32":"model_no-d500gc","33":"model_no-d550gc","34":"model_no-d600-gc","35":"model_no-g3406","36":"model_no-ht400","37":"model_no-md6290","38":"model_no-pm-565","39":"model_no-pm-565b","40":"model_no-pm3456","41":"model_no-sr","42":"model_no-sr4","43":"model_no-xq1140","44":"product_cat-mining","45":"product_tag-1md-d400-caterpillar-dump-truck","46":"product_tag-2jj-d40d-caterpillar-parts","47":"product_tag-2wb-3406b-generator-set-parts","48":"product_tag-2xw-d350e-ii-dump-truck-parts","49":"product_tag-2yr-d400e-cat-parts","50":"product_tag-3tk-pm-565-cold-planer-parts","51":"product_tag-4rg-3406b-engine-parts","52":"product_tag-4zr-3406c-engine-generator-parts-2","53":"product_tag-6n7378-crankshaft-part","54":"product_tag-8ps-d400e-ii-cat-parts","55":"product_tag-9lr-d350e-articulated-dump-truck","56":"product_tag-apf-d400e-ii-spare-parts","57":"product_tag-cat-3fd-d35hp-articulated-truck","58":"product_tag-cat-6n-7378-crankshaft-pulley","59":"product_tag-cat-8gs-pm-565b-cold-planer","60":"product_tag-cat-8tf-d400d-articulated-truck","61":"product_tag-caterpillar-6ba-sr4-engine-parts","62":"product_tag-caterpillar-6n-7378-pulley","63":"product_tag-caterpillar-8tf-d400d-dump-truck-parts","64":"product_tag-nsr-c15-generator-set","66":"first","67":"instock","68":"shipping-taxable","69":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/55049","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=55049"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/54848"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=55049"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=55049"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=55049"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=55049"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=55049"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=55049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}