{"id":49786,"date":"2026-01-26T01:40:07","date_gmt":"2026-01-26T06:40:07","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-334-8389-crankshaft-3348389\/"},"modified":"2026-01-26T01:40:10","modified_gmt":"2026-01-26T06:40:10","slug":"caterpillar-334-8389-crankshaft-3348389","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-334-8389-crankshaft-3348389\/","title":{"rendered":"CATERPILLAR 334-8389 Crankshaft 3348389"},"content":{"rendered":"

CATERPILLAR 334-8389 Crankshaft \u2013 OEM-Grade Durability for Heavy-Duty Applications<\/strong><\/p>\n

The Caterpillar 334-8389 crankshaft is a precision-engineered component designed to meet the rigorous demands of heavy equipment such as articulated dump trucks, earthmoving compactors, and engine-generator sets. Compatible with models including the 1HK-D25D, 4SD-D300B, 7YC-65 Challenger, and 57U-816 Earthmoving Compactor, this crankshaft ensures seamless integration and optimal performance. Manufactured from high-grade forged steel with advanced metallurgy, it features exacting dimensional tolerances and robust load-bearing surfaces to withstand extreme drivetrain stresses and high-load conditions typical in mining and construction environments.<\/p>\n

This crankshaft delivers superior rotational stability and enhanced fatigue resistance, critical for maintaining engine balance and longevity under continuous heavy-duty operation. Its precision-machined journals and counterweights reduce vibration and wear, contributing to improved fuel efficiency and reduced maintenance intervals. Designed to OEM specifications, the 334-8389 crankshaft guarantees compatibility and reliability, making it an essential replacement part for maintaining the operational integrity of Caterpillar machinery. Investing in this component ensures enhanced equipment uptime and maximizes return on investment through durable, high-performance drivetrain functionality.<\/p>\n

\ud83d\udd17 For detailed specifications and to purchase the genuine Caterpillar 334-8389 crankshaft, visit Caterpillar 334-8389 Crankshaft at AllParts Expert<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

1HK-D25D Articulated Dump Truck
\n4SD-D300B Articulated Dump Truck
\n5MG-D300D Articulated Dump Truck
\n3AJ-D30D Articulated Dump Truck
\n9RF-D350D Articulated Dump Truck
\n5WD-D250B Articulated Dump Truck
\n9YC-D25C Articulated Dump Truck
\n7ZC-D30C Articulated Dump Truck
\n8XC-D350C Articulated Dump Truck
\n2GD-D35C Articulated Dump Truck
\n7YC-65B Challenger
\n7YC-65 Challenger
\n2ZJ-65C Challenger
\n2ZJ-65D Challenger
\n2YL-70C Challenger
\n57U-816 Earthmoving Compactor
\n91P-815 Earthmoving Compactor
\n41S-816 Earthmoving Compactor
\n15Z-816B Earthmoving Compactor
\n17Z-815B Earthmoving Compactor
\n15R-815 Earthmoving Compactor
\n5CA-SR4 Engine – Generator Set
\n5DA-SR4 Engine – Generator Set
\n5EA-SR4 Engine – Generator Set
\n2AJ-3306B Engine – Generator Set
\n3RG-3306B Engine – Generator Set
\n7HB-3306 Engine – Generator Set
\n85Z-3306 Engine – Generator Set
\n5FA-SR4 Engine – Generator Set
\n1DG-3306B Engine – Generator Set
\n2TM-3306B Engine – Generator Set
\n8JJ-3306B Engine – Generator Set
\n9NR-3306B Engine – Generator Set
\nRJ2-<\/p>","protected":false},"featured_media":49544,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[731,37530,6731,2057,2058,2492,2486,2483,732,38871,2059,2060,2495,2488,2061,6732,2062,2519,2485,2498,2499,2502,37514,6726,2052,2053,2054,7073,7205,2055,7074,7206,2050,2051,40202,7184,38901,6733,41425,38900,6734,6735,6736,6737,21060,38899,38653,38652,38104,38105,38896,38898,38897,20589,38106,20585,20587,20586,20588,688,38845,690,38846,40205,40206,40204,40207,6743,37542,22355,22356,22357,22358,7165,22359,22360,37503,22361,22362,22363,2068,42296,42360,37507,42043,3372,39311],"product_cat":[144],"product_tag":[329517,329489,329521,329523,329522,329506,329500,329512,329494,329502,329490,329508,329514,329496,329510,329504,329492,329516,329519,329498],"class_list":{"0":"post-49786","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-731","9":"model_no-120b","10":"model_no-12f","11":"model_no-12g","12":"model_no-12h","13":"model_no-12h-es","14":"model_no-12h-na","15":"model_no-130g","16":"model_no-732","17":"model_no-140b","18":"model_no-140g","19":"model_no-140h","20":"model_no-140h-es","21":"model_no-140h-na","22":"model_no-143h","23":"model_no-14e","24":"model_no-14g","25":"model_no-14h-na","26":"model_no-160g","27":"model_no-160h-es","28":"model_no-160h-na","29":"model_no-163h-na","30":"model_no-1673c","31":"model_no-6726","32":"model_no-235b","33":"model_no-235c","34":"model_no-235d","35":"model_no-330-l","36":"model_no-330-ln","37":"model_no-330-a","38":"model_no-330-a-l","39":"model_no-330-a-ln","40":"model_no-2050","41":"model_no-3306b","42":"model_no-350-a","43":"model_no-350-a-l","44":"model_no-38901","45":"model_no-561c","46":"model_no-561d","47":"model_no-56h","48":"model_no-571f","49":"model_no-571g","50":"model_no-572f","51":"model_no-572g","52":"model_no-57h","53":"model_no-38899","54":"model_no-38653","55":"model_no-65b","56":"model_no-65c","57":"model_no-65d","58":"model_no-6a","59":"model_no-6s","60":"model_no-6su","61":"model_no-20589","62":"model_no-70c","63":"model_no-7a","64":"model_no-7s","65":"model_no-7su","66":"model_no-7u","67":"model_no-688","68":"model_no-815b","69":"model_no-690","70":"model_no-816b","71":"model_no-40205","72":"model_no-40206","73":"model_no-40204","74":"model_no-40207","75":"model_no-977k","76":"model_no-977l","77":"model_no-d250b","78":"model_no-d25c","79":"model_no-d25d","80":"model_no-d300b","81":"model_no-d300d","82":"model_no-d30c","83":"model_no-d30d","84":"model_no-d333c","85":"model_no-d350c","86":"model_no-d350d","87":"model_no-d35c","88":"model_no-d6h","89":"model_no-e300","90":"model_no-el300","91":"model_no-g3306","92":"model_no-g3306b","93":"model_no-sr4","94":"model_no-xqg135","95":"product_cat-mining","96":"product_tag-334-8389-cat-parts","97":"product_tag-334-8389-crankshaft","98":"product_tag-334-8389-crankshaft-for-1hk-d25d","99":"product_tag-334-8389-crankshaft-for-5ca-sr4-engine","100":"product_tag-334-8389-crankshaft-for-7yc-65-challenger","101":"product_tag-334-8389-earthmoving-compactor-crankshaft","102":"product_tag-334-8389-engine-crankshaft-replacement","103":"product_tag-334-8389-heavy-equipment-crankshaft","104":"product_tag-3348389-crankshaft-part","105":"product_tag-cat-334-8389-articulated-dump-truck-crankshaft","106":"product_tag-cat-334-8389-crankshaft","107":"product_tag-cat-334-8389-generator-set-crankshaft","108":"product_tag-cat-334-8389-mining-equipment-crankshaft","109":"product_tag-cat-3348389-engine-crankshaft","110":"product_tag-caterpillar-334-8389-3306-engine-crankshaft","111":"product_tag-caterpillar-334-8389-challenger-crankshaft","112":"product_tag-caterpillar-334-8389-crankshaft","113":"product_tag-caterpillar-334-8389-oem-crankshaft","114":"product_tag-caterpillar-334-8389-spare-parts","115":"product_tag-caterpillar-3348389-heavy-machinery-crankshaft","117":"first","118":"instock","119":"shipping-taxable","120":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/49786","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=49786"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/49544"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=49786"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=49786"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=497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