{"id":56117,"date":"2026-03-12T13:27:26","date_gmt":"2026-03-12T17:27:26","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d7r-ii-transmission-ar-3790858-caterpillar-379-0858-mining\/"},"modified":"2026-03-12T13:27:32","modified_gmt":"2026-03-12T17:27:32","slug":"cat-d7r-ii-transmission-ar-3790858-caterpillar-379-0858-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d7r-ii-transmission-ar-3790858-caterpillar-379-0858-mining\/","title":{"rendered":"CAT D7R II TRANSMISSION AR 3790858 | Caterpillar 379-0858 | Mining"},"content":{"rendered":"

Title
\nCaterpillar 379-0858 Transmission Ar 3790858 | Fits D7R II, D7R SERIES, D7R II Excavators<\/p>\n

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Opening Paragraph
\nThe Caterpillar 379-0858 Transmission Ar 3790858 is a precision-engineered OEM replacement component designed for D7R II, D7R SERIES, and D7R II excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this transmission ar 3790858 supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n

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Common Applications
\nThis Caterpillar 379-0858 transmission ar 3790858 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 D7R II Excavator
\n– CAT D7R SERIES Excavator
\n– CAT D7R II Excavator
\n(Verify fitment with your specific serial number.)<\/p>\n

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OEM Reference
\nPart Number: 379-0858
\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-d7r-ii-transmission-ar-3790858-caterpillar-379-0858-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Direct OEM Genuine<\/p>\n

Multi-Model Compatibility<\/p>\n

Heavy-Duty Mining Grade<\/p>\n

Serial Verification Available<\/p>\n

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