{"id":47894,"date":"2026-01-15T23:36:57","date_gmt":"2026-01-16T04:36:57","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-20r-5679-arm-as-rocker-20r5679\/"},"modified":"2026-01-15T23:37:00","modified_gmt":"2026-01-16T04:37:00","slug":"caterpillar-20r-5679-arm-as-rocker-20r5679","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-20r-5679-arm-as-rocker-20r5679\/","title":{"rendered":"CATERPILLAR 20R-5679 Arm AS-Rocker 20R5679"},"content":{"rendered":"

Caterpillar 20R-5679 Arm AS-Rocker: OEM-Grade Durability and Precision for Heavy Equipment<\/strong><\/p>\n

The Caterpillar 20R-5679 Arm AS-Rocker is a critical component engineered for optimal performance in demanding heavy machinery applications. Designed to fit a wide range of Caterpillar engine-generator sets including models 3508B, 3512B, and 3516B, this rocker arm ensures precise valve actuation under extreme load conditions. Manufactured with high-grade alloy steel and subjected to rigorous metallurgical treatments, the 20R-5679 delivers exceptional wear resistance and longevity, maintaining drivetrain integrity and reducing downtime in mining and industrial operations.<\/p>\n

Technically, the 20R-5679 Arm AS-Rocker features exacting dimensional tolerances to guarantee seamless compatibility with Caterpillar\u2019s RB6-MD6380 drill and multiple engine-generator configurations such as 2HW-3508B, 6PN-3508B, and 4AW-3512B. Its robust construction supports high-cycle fatigue resistance, ensuring consistent valve timing and improved engine efficiency. This component\u2019s superior metallurgy and precision machining contribute to enhanced load distribution and reduced mechanical stress, making it an indispensable part for maintaining peak engine performance and reliability.<\/p>\n

For OEM-quality Caterpillar spare parts that meet stringent industry standards, explore the full specifications and availability of the 20R-5679 Arm AS-Rocker here: \ud83d\udd17 Caterpillar 20R-5679 Arm AS-Rocker at AllParts Expert<\/a>. Ensure your heavy equipment operates at maximum efficiency with this durable, precision-engineered rocker arm.<\/p>","protected":false},"excerpt":{"rendered":"

RB6-MD6380 Drill
\n2HW-3508B Engine – Generator Set
\n6PN-3508B Engine – Generator Set
\n4AW-3512B Engine – Generator Set
\n5AW-3512B Engine – Generator Set
\n6WN-3512B Engine – Generator Set
\n8RM-3512B Engine – Generator Set
\nBPJ-3516B Engine – Generator Set
\nBPD-PM3516 Engine – Generator Set
\n2JW-3516B Engine – Generator Set
\n7RN-3516B Engine – Generator Set
\n5KW-3508B Engine – Generator Set
\nCNB-3508B Engine – Generator Set
\nPTN-3508B Engine – Generator Set
\nBGX-3508 Engine – Generator Set
\n6GW-3512B Engine – Generator Set
\nBLF-3512B Engine – Generator Set
\nBRK-3512B Engine – Generator Set
\nCMC-3512B Engine – Generator Set
\nFDE-3512B Engine – Generator Set
\nPTF-3512B Engine – Generator Set
\nPTM-3512B Engine – Generator Set
\nBMB-3516B Engine – Generator Set
\nFDN-3516B Engine – Generator Set
\nBLM-PM3508 Engine – Generator Set
\nBNR-PM3512 Engine – Generator Set
\nPPS-PP3516 Engine – Generator Set
\n4GM-3508B Engine – Generator Set
\n8NW-3516B Engine – Generator Set
\nFDX-3516B Engine – Generator Set
\nDPN-3508B Engine<\/p>","protected":false},"featured_media":47591,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[32373],"model_no":[76368,2594,2593,2595,2596,2598,21673,1439,21674,5628,13622,21706,21707,21708,21709,21716],"product_cat":[144],"product_tag":[310843,310859,310855,310841,310827,310837,310833,310849,310829,310857,310851,310831,310840,310825,310845,310823,310839,310853,310847,310835],"class_list":{"0":"post-47894","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-drill","8":"model_no-76368","9":"model_no-2594","10":"model_no-3508b","11":"model_no-3512b","12":"model_no-3512c","13":"model_no-3516b","14":"model_no-3516b-gen","15":"model_no-3516c","16":"model_no-3516c-gen","17":"model_no-3516e","18":"model_no-md6380","19":"model_no-pm3508","20":"model_no-pm3512","21":"model_no-pm3516","22":"model_no-pp3516","23":"model_no-xqc1600","24":"product_cat-mining","25":"product_tag-20r-5679-arm-for-heavy-equipment","26":"product_tag-20r-5679-caterpillar-arm-replacement","27":"product_tag-20r-5679-caterpillar-spare-arm","28":"product_tag-20r-5679-engine-component-caterpillar","29":"product_tag-20r-5679-heavy-machinery-arm","30":"product_tag-20r-5679-mechanical-arm-cat","31":"product_tag-20r-5679-mining-equipment-arm","32":"product_tag-20r-5679-oem-caterpillar-arm","33":"product_tag-20r-5679-spare-parts-caterpillar","34":"product_tag-cat-20r-5679-component-for-mining-machinery","35":"product_tag-cat-20r-5679-engine-parts","36":"product_tag-cat-20r-5679-engine-rocker-arm","37":"product_tag-cat-20r-5679-replacement-part","38":"product_tag-cat-20r-5679-rocker-arm","39":"product_tag-cat-20r-5679-rocker-arm-part","40":"product_tag-caterpillar-20r-5679-arm-as-rocker","41":"product_tag-caterpillar-20r-5679-assembly-arm","42":"product_tag-caterpillar-20r-5679-heavy-equipment-rocker-arm","43":"product_tag-caterpillar-20r-5679-machine-arm","44":"product_tag-caterpillar-20r-5679-track-loader-arm","46":"first","47":"instock","48":"shipping-taxable","49":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/47894","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=47894"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/47591"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=47894"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=47894"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=47894"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=47894"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=47894"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=47894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}