{"id":54818,"date":"2026-02-26T11:02:25","date_gmt":"2026-02-26T16:02:25","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-777d-engine-ar-3311423-caterpillar-331-1423-mining\/"},"modified":"2026-02-26T11:02:28","modified_gmt":"2026-02-26T16:02:28","slug":"cat-777d-engine-ar-3311423-caterpillar-331-1423-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-777d-engine-ar-3311423-caterpillar-331-1423-mining\/","title":{"rendered":"CAT 777D ENGINE AR 3311423 | Caterpillar 331-1423 | Mining"},"content":{"rendered":"

Title
\nCaterpillar 331-1423 Engine Ar 3311423 | Fits 777D, 776D, 777B Excavators<\/p>\n

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Opening Paragraph
\nThe Caterpillar 331-1423 Engine Ar 3311423 is a precision-engineered OEM replacement component designed for 777D, 776D, and 777B excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this engine ar 3311423 supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n

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Common Applications
\nThis Caterpillar 331-1423 engine ar 3311423 is essential for:
\n– Professional maintenance of CAT excavators.
\n– Direct replacement of worn structural and pivot components.
\n– Heavy-duty mining and earthmoving operations.
\n– Maintaining proper alignment in equipment linkage systems.<\/p>\n

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Fits The Following Models
\n– CAT 777D Excavator
\n– CAT 776D Excavator
\n– CAT 777B Excavator
\n– CAT 777C Excavator
\n(Verify fitment with your specific serial number.)<\/p>\n

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OEM Reference
\nPart Number: 331-1423
\nBrand: Caterpillar
\nCategory: Mining
\nMachine Type: Hydraulic Excavator
\nCondition: OEM \/ Genuine-Style Replacement<\/p>\n

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Product Details and Availability
\nIn Stock (if confirmed).
\nGlobal Shipping Available.
\nSerial Number Verification Support.
\nRequest Fast Quote for Current Market Pricing.<\/p>\n

Access full technical specifications and availability here:
\nhttps:\/\/allparts.expert\/parts\/mining\/cat-777d-engine-ar-3311423-caterpillar-331-1423-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Title Caterpillar 331-1423 Engine Ar 3311423 | Fits 777D, 776D, 777B Excavators \u2e3b Opening Paragraph The Caterpillar 331-1423 Engine Ar 3311423 is a precision-engineered OEM replacement component designed for 777D, 776D, and 777B excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this engine ar 3311423 supports critical assemblies […]<\/p>","protected":false},"featured_media":54535,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[27696],"model_no":[2457,2552,2542,2458],"product_cat":[144],"product_tag":[366900,122732,52716,171859,122731,366899,356737,364439,364284,364287,366901,366904,366898,366902,366903,366905,49208,366906],"class_list":{"0":"post-54818","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-off-highway-truck","8":"model_no-776d","9":"model_no-777b","10":"model_no-777c","11":"model_no-777d","12":"product_cat-mining","13":"product_tag-331-1423-caterpillar-engine-ar","14":"product_tag-4xj-777c-off-highway-truck","15":"product_tag-4yc-777b-off-highway-truck","16":"product_tag-afs-776d-off-highway-truck-components","17":"product_tag-agc-777d-off-highway-truck","18":"product_tag-cat-331-1423-parts","19":"product_tag-cat-4xj-777c-parts","20":"product_tag-cat-4yc-777b-parts","21":"product_tag-cat-afs-776d-parts","22":"product_tag-cat-agc-777d-parts","23":"product_tag-cat-fkr-777d","24":"product_tag-cat-truck-parts-fkr-777d","25":"product_tag-caterpillar-331-1423-engine","26":"product_tag-caterpillar-331-1423-replacement","27":"product_tag-caterpillar-engine-331-1423","28":"product_tag-caterpillar-parts-afs-776d","29":"product_tag-fkr-777d-off-highway-truck-parts","30":"product_tag-off-highway-truck-parts-4yc-777b","32":"first","33":"instock","34":"shipping-taxable","35":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/54818","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=54818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/54535"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=54818"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=54818"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=54818"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=54818"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=54818"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=54818"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}