{"id":58651,"date":"2026-04-24T20:29:39","date_gmt":"2026-04-25T00:29:39","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-627b-gear-8d4400-caterpillar-8d-4400-mining\/"},"modified":"2026-04-24T20:31:03","modified_gmt":"2026-04-25T00:31:03","slug":"cat-627b-gear-8d4400-caterpillar-8d-4400-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-627b-gear-8d4400-caterpillar-8d-4400-mining\/","title":{"rendered":"CAT 627B GEAR 8D4400 | Caterpillar 8D-4400 | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 8D-4400 Gear | Fits 627B, 621E, 621B, 623B Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 8D-4400 Gear is a precision-engineered OEM replacement component designed for 627B, 621E, 621B, and 623B excavators operating in Wheel Tractor-scraper and heavy construction environments. Built for structural durability and exact fitment, this gear supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 8D-4400 gear is essential for:<br \/>\nProfessional maintenance of CAT excavators.<br \/>\nDirect replacement of worn structural and pivot components.<br \/>\nHeavy-duty Wheel Tractor-scraper and earthmoving operations.<br \/>\nMaintaining proper alignment in equipment linkage systems.<\/p>\n<p>\u2e3b<\/p>\n<p>Fits The Following Models<br \/>\nCAT 627B Excavator<br \/>\nCAT 621E Excavator<br \/>\nCAT 621B Excavator<br \/>\nCAT 623B Excavator<br \/>\nCAT 621K Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 8D-4400<br \/>\nBrand: Caterpillar<br \/>\nCategory: Wheel Tractor-scraper<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-627b-gear-8d4400-caterpillar-8d-4400-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-627b-gear-8d4400-caterpillar-8d-4400-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Direct OEM Genuine<br \/>\nMulti-Model Compatibility<br \/>\nHeavy-Duty Mining Grade<br \/>\nSerial Verification Available<br \/>\nWorldwide Shipping<\/p>","protected":false},"featured_media":58650,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[18046],"model_no":[21066,21064,8790,8791,8792,38732,38729,38733,38734,38735,38739,21065,8793,8794,8795,38736,38731,38730,6729,6741,8796,8797,8798,38737,37558,38728],"product_cat":[144],"product_tag":[391251,391253,391258,391245,391256,391260,391263,391248,391255,391252,391249,391261,391246,391264,391254,391250,391247,391262,391257,391259],"class_list":{"0":"post-58651","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-21066","9":"model_no-621b","10":"model_no-621e","11":"model_no-621f","12":"model_no-621g","13":"model_no-621h","14":"model_no-621k","15":"model_no-621k-oem","16":"model_no-621r","17":"model_no-621s","18":"model_no-38739","19":"model_no-623b","20":"model_no-623e","21":"model_no-623f","22":"model_no-623g","23":"model_no-623h","24":"model_no-623k","25":"model_no-623k-lrc","26":"model_no-6729","27":"model_no-627b","28":"model_no-627e","29":"model_no-627f","30":"model_no-627g","31":"model_no-627h","32":"model_no-627k","33":"model_no-627k-lrc","34":"product_cat-mining","35":"product_tag-8d-4400-for-621e","36":"product_tag-8d-4400-for-623b","37":"product_tag-8d-4400-for-wheel-tractor-scraper","38":"product_tag-8d-4400-gear","39":"product_tag-8d-4400-gear-replacement","40":"product_tag-8d-4400-gear-specifications","41":"product_tag-8d-4400-performance-parts","42":"product_tag-8d-4400-wheel-tractor-scraper","43":"product_tag-buy-cat-8d-4400","44":"product_tag-cat-621b-gear","45":"product_tag-cat-627b-gear","46":"product_tag-cat-8d-4400-compatibility","47":"product_tag-cat-8d-4400-parts","48":"product_tag-cat-spare-parts-8d-4400","49":"product_tag-caterpillar-621k-parts","50":"product_tag-caterpillar-627b-parts","51":"product_tag-caterpillar-8d-4400-gear","52":"product_tag-caterpillar-8d-4400-gear-reviews","53":"product_tag-caterpillar-gear-8d-4400","54":"product_tag-oem-cat-8d-4400-parts","56":"first","57":"instock","58":"shipping-taxable","59":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/58651","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=58651"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/58650"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=58651"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=58651"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=58651"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=58651"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=58651"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=58651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}