{"id":58566,"date":"2026-04-24T17:01:10","date_gmt":"2026-04-24T21:01:10","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d400d-gear-7g3457-caterpillar-7g-3457-mining\/"},"modified":"2026-04-24T17:02:33","modified_gmt":"2026-04-24T21:02:33","slug":"cat-d400d-gear-7g3457-caterpillar-7g-3457-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d400d-gear-7g3457-caterpillar-7g-3457-mining\/","title":{"rendered":"CAT D400D GEAR 7G3457 | Caterpillar 7G-3457 | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 7G-3457 Gear | Fits D400D, D400, D40D, D44B Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 7G-3457 Gear is a precision-engineered OEM replacement component designed for D400D, D400, D40D, D44B excavators operating in Articulated Dump Truck 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 7G-3457 gear is essential for:<br \/>\nProfessional maintenance of CAT excavators.<br \/>\nDirect replacement of worn structural and pivot components.<br \/>\nHeavy-duty Articulated Dump Truck and earthmoving operations.<br \/>\nMaintaining proper alignment in equipment linkage systems.<\/p>\n<p>\u2e3b<\/p>\n<p>Fits The Following Models<br \/>\nCAT D400D Excavator<br \/>\nCAT D400 Excavator<br \/>\nCAT D40D Excavator<br \/>\nCAT D44B Excavator<br \/>\nCAT D350E II Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 7G-3457<br \/>\nBrand: Caterpillar<br \/>\nCategory: Articulated Dump Truck<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-gear-7g3457-caterpillar-7g-3457-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-d400d-gear-7g3457-caterpillar-7g-3457-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":58565,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[21404,20584,1671,13198,1672,1673,9730,21061,1821,9731,9732,9733,21063,9722,21045,7178,9723,9724,9725,9726,21044,7175,9727,9728,9729,2532,15342,2516,2517,1514,25996,28215,15341,2529,2530,2531,19940,19941,21059,30495,7874,7876,2460,2462,2461,2528,9734,30493,68617,32316,21057,2535,7877,6720,7878,73,74,1513,18105,18106,1674,1675,17294,2678,19935,7163,7161,7168,7169,21042,7164,21043,22365,22367,19937,1668,1667,18107,1669,1666,1660,26020,5862,26019,7181,26009,7180,40203,26010],"product_cat":[144],"product_tag":[390526,390523,390537,390538,390535,390532,390524,390536,390539,390525,389835,390534,390533,390531,390528,390527,390529,390530],"class_list":{"0":"post-58566","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-21404","9":"model_no-20584","10":"model_no-58l","11":"model_no-13198","12":"model_no-59l","13":"model_no-59n","14":"model_no-9730","15":"model_no-824c","16":"model_no-824g","17":"model_no-824g-ii","18":"model_no-824h","19":"model_no-824k","20":"model_no-824s","21":"model_no-9722","22":"model_no-825c","23":"model_no-825g","24":"model_no-825g-ii","25":"model_no-825h","26":"model_no-825k","27":"model_no-9726","28":"model_no-826c","29":"model_no-826g","30":"model_no-826g-ii","31":"model_no-826h","32":"model_no-826k","33":"model_no-2532","34":"model_no-834b","35":"model_no-834g","36":"model_no-834h","37":"model_no-834k","38":"model_no-834s","39":"model_no-834u","40":"model_no-15341","41":"model_no-836g","42":"model_no-836h","43":"model_no-836k","44":"model_no-8a","45":"model_no-8s","46":"model_no-8u","47":"model_no-30495","48":"model_no-980c","49":"model_no-980f","50":"model_no-980g","51":"model_no-980g-ii","52":"model_no-980h","53":"model_no-980k","54":"model_no-980k-hlg","55":"model_no-980m","56":"model_no-68617","57":"model_no-982m","58":"model_no-983b","59":"model_no-2535","60":"model_no-988b","61":"model_no-988f","62":"model_no-988f-ii","63":"model_no-988g","64":"model_no-988h","65":"model_no-988k","66":"model_no-9c","67":"model_no-9s","68":"model_no-9su","69":"model_no-9u","70":"model_no-ad30","71":"model_no-d10n","72":"model_no-d326","73":"model_no-d350e","74":"model_no-d350e-ii","75":"model_no-d35hp","76":"model_no-d400","77":"model_no-d400d","78":"model_no-d400e","79":"model_no-d40d","80":"model_no-d44b","81":"model_no-d550b","82":"model_no-d8l","83":"model_no-d9","84":"model_no-d9-gc","85":"model_no-d9l","86":"model_no-d9n","87":"model_no-d9r","88":"model_no-d9t","89":"model_no-r2900","90":"model_no-r2900g","91":"model_no-r3000h","92":"model_no-tr43","93":"model_no-tr43-c18l","94":"model_no-tr43-e44","95":"model_no-tr43e44-c13bl","96":"model_no-tr43m44-c13b","97":"product_cat-mining","98":"product_tag-7g-3457-articulated-dump-truck-gear","99":"product_tag-7g-3457-gear","100":"product_tag-7g-3457-gear-for-sale","101":"product_tag-7g-3457-gear-specifications","102":"product_tag-7g-3457-replacement-gear","103":"product_tag-buy-7g-3457-gear-online","104":"product_tag-cat-7g-3457-parts","105":"product_tag-cat-gear-7g-3457","106":"product_tag-cat-parts-for-d400-series","107":"product_tag-caterpillar-7g-3457-gear","108":"product_tag-caterpillar-articulated-dump-truck-gear","109":"product_tag-caterpillar-d400-parts","110":"product_tag-caterpillar-d400d-gear","111":"product_tag-d350e-ii-7g-3457-gear","112":"product_tag-d400-7g-3457-gear","113":"product_tag-d400d-7g-3457-parts","114":"product_tag-d40d-7g-3457-gear","115":"product_tag-d44b-7g-3457-parts","117":"first","118":"instock","119":"shipping-taxable","120":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/58566","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=58566"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/58565"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=58566"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=58566"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=58566"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=58566"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=58566"},{"taxonomy":"product_tag","embeddable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