{"id":54647,"date":"2026-02-25T21:49:59","date_gmt":"2026-02-26T02:49:59","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-777d-9w-9303-transmission-ar-9w9303-caterpillar-mining\/"},"modified":"2026-02-25T21:50:02","modified_gmt":"2026-02-26T02:50:02","slug":"cat-777d-9w-9303-transmission-ar-9w9303-caterpillar-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-777d-9w-9303-transmission-ar-9w9303-caterpillar-mining\/","title":{"rendered":"CAT 777D 9W-9303 TRANSMISSION AR 9W9303 | Caterpillar | Mining"},"content":{"rendered":"

Title
\nCaterpillar 9W-9303 Transmission Ar 9W9303 | Fits 777D, 776D, 776C Excavators<\/p>\n

\u2e3b<\/p>\n

Opening Paragraph
\nThe Caterpillar 9W-9303 Transmission Ar 9W9303 is a precision-engineered OEM replacement component designed for 777D, 776D, and 776C excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this transmission assembly supports critical components to ensure reliable performance and reduced downtime.<\/p>\n

\u2e3b<\/p>\n

Common Applications
\nThis Caterpillar 9W-9303 Transmission Ar 9W9303 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

\u2e3b<\/p>\n

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

\u2e3b<\/p>\n

OEM Reference
\nPart Number: 9W-9303
\nBrand: Caterpillar
\nCategory: Mining
\nMachine Type: Hydraulic Excavator
\nCondition: OEM \/ Genuine-Style Replacement <\/p>\n

\u2e3b<\/p>\n

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-9w-9303-transmission-ar-9w9303-caterpillar-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Direct OEM Genuine
\nMulti-Model Compatibility
\nHeavy-Duty Mining Grade
\nSerial Verification Available
\nWorldwide Shipping<\/p>","protected":false},"featured_media":54537,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[27696],"model_no":[2559,2541,2457,2552,2542,2458],"product_cat":[144],"product_tag":[51083,56688,122730,122732,122733,52714,364301,85665,122731,364304,246367,364292,364295,356737,183592,364302,364284,364287,364281,364298,364312,364309,364310,364313,364308,364303,364306,364307,364305,364311,79317],"class_list":{"0":"post-54647","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-776b","9":"model_no-776c","10":"model_no-776d","11":"model_no-777b","12":"model_no-777c","13":"model_no-777d","14":"product_cat-mining","15":"product_tag-2tk-776c-off-highway-truck","16":"product_tag-2yw-777d-off-highway-truck","17":"product_tag-3pr-777d-off-highway-truck","18":"product_tag-4xj-777c-off-highway-truck","19":"product_tag-5er-776d-off-highway-truck","20":"product_tag-6jc-776b-off-highway-truck","21":"product_tag-9w-9303-transmission","22":"product_tag-afs-776d-off-highway-truck","23":"product_tag-agc-777d-off-highway-truck","24":"product_tag-agy-777d-off-highway-truck","25":"product_tag-cat-2tk-776c-parts","26":"product_tag-cat-2yw-777d-parts","27":"product_tag-cat-3pr-777d-parts","28":"product_tag-cat-4xj-777c-parts","29":"product_tag-cat-5er-776d-parts","30":"product_tag-cat-9w-9303-parts","31":"product_tag-cat-afs-776d-parts","32":"product_tag-cat-agc-777d-parts","33":"product_tag-cat-agy-777d-parts","34":"product_tag-cat-fkr-777d-parts","35":"product_tag-caterpillar-2tk-776c-products","36":"product_tag-caterpillar-2yw-777d-spares","37":"product_tag-caterpillar-3pr-777d-supplies","38":"product_tag-caterpillar-4xj-777c-replacements","39":"product_tag-caterpillar-5er-776d-accessories","40":"product_tag-caterpillar-9w-9303-transmission","41":"product_tag-caterpillar-afs-776d-replacement","42":"product_tag-caterpillar-agc-777d-components","43":"product_tag-caterpillar-agy-777d-spare-parts","44":"product_tag-caterpillar-fkr-777d-items","45":"product_tag-fkr-777d-off-highway-truck","47":"first","48":"instock","49":"shipping-taxable","50":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/54647","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=54647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/54537"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=54647"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=54647"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=54647"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=54647"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=54647"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=54647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}