{"id":47994,"date":"2026-01-16T00:46:18","date_gmt":"2026-01-16T05:46:18","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-121-5723-shaft-cluster-gear-1215723\/"},"modified":"2026-01-16T00:46:21","modified_gmt":"2026-01-16T05:46:21","slug":"caterpillar-121-5723-shaft-cluster-gear-1215723","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-121-5723-shaft-cluster-gear-1215723\/","title":{"rendered":"CATERPILLAR 121-5723 Shaft-Cluster Gear 1215723"},"content":{"rendered":"<p><strong>Caterpillar 121-5723 Shaft-Cluster Gear \u2013 OEM-Grade Durability for Heavy Equipment Drivetrains<\/strong><br \/>\nThe Caterpillar 121-5723 Shaft-Cluster Gear is a precision-engineered drivetrain component designed for optimal performance across a wide range of heavy machinery, including KNS-3516B Industrial Engines, 4CS-5130B Excavators, and multiple Off-highway Trucks such as the 4YC-777B and 3PR-777D models. This gear is also compatible with Track-type Tractors like the 4HK-D11N and Wheel Dozers including the 1JW-854G series. Manufactured from high-grade alloy steel with advanced metallurgy techniques, the shaft-cluster gear features exacting dimensions tailored to withstand extreme load conditions, ensuring reliable torque transmission and minimal wear under heavy-duty applications.<\/p>\n<p>Engineered to meet stringent OEM specifications, the 121-5723 gear delivers superior mechanical strength and enhanced resistance to fatigue and abrasion, critical for maintaining drivetrain integrity in harsh mining and construction environments. Its robust design supports smooth power transfer within complex gear assemblies, reducing vibration and operational noise. This results in extended service life and decreased downtime, ultimately improving equipment availability and productivity. Ideal for use in Caterpillar\u2019s 992G Wheel-type Loaders and D11R Track-type Tractors, this component ensures consistent performance and compatibility with factory standards.<\/p>\n<p>For professional-grade replacement parts that guarantee durability and precision fitment, explore the full specifications and availability of the Caterpillar 121-5723 Shaft-Cluster Gear at \ud83d\udd17 <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-121-5723-shaft-cluster-gear-1215723\/\">AllParts Expert &#8211; Caterpillar 121-5723 Shaft-Cluster Gear<\/a>. Optimize your heavy equipment\u2019s drivetrain performance with this essential Caterpillar spare part, engineered to meet the rigorous demands of mining, construction, and industrial operations.<\/p>","protected":false},"excerpt":{"rendered":"<p>KNS-3516B Engine &#8211; Industrial<br \/>\n4CS-5130B Excavator<br \/>\n4YC-777B Off-highway Truck<br \/>\n3PR-777D Off-highway Truck<br \/>\nAGC-777D Off-highway Truck<br \/>\n4AR-793C Off-highway Truck<br \/>\n5ER-776D Off-highway Truck<br \/>\nAFS-776D Off-highway Truck<br \/>\n4XJ-777C Off-highway Truck<br \/>\n2YW-777D Off-highway Truck<br \/>\nFKR-777D Off-highway Truck<br \/>\n4GZ-793C Off-highway Truck<br \/>\nATY-793C Off-highway Truck<br \/>\nCBR-793C Off-highway Truck<br \/>\nFDB-793D Off-highway Truck<br \/>\n4HK-D11N Track-type Tractor<br \/>\n74Z-D11N Track-type Tractor<br \/>\n7PZ-D11R Track-type Tractor<br \/>\n9TR-D11R Track-type Tractor<br \/>\n9XR-D11R Track-type Tractor<br \/>\nAAF-D11R Track-type Tractor<br \/>\n1JW-854G Wheel Dozer<br \/>\nA4W-854G Wheel Dozer<br \/>\nAMP-854G Wheel Dozer<br \/>\n7HR-992G Wheel-type Loader<br \/>\nADZ-992G Wheel-type Loader<br \/>\nAZX-992G Wheel-type Loader<\/p>","protected":false},"featured_media":47499,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[77459],"model_no":[2598,4984,2457,2552,2542,2458,1379,1263,8176,1659,8524,1824],"product_cat":[144],"product_tag":[312815,312792,312804,312810,312821,312798,312819,312790,312802,312808,312824,312814,312796,312800,312823,312817,312788,312794,312812,312806],"class_list":{"0":"post-47994","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-engine-industrial","8":"model_no-3516b","9":"model_no-5130b","10":"model_no-776d","11":"model_no-777b","12":"model_no-777c","13":"model_no-777d","14":"model_no-793c","15":"model_no-793d","16":"model_no-854g","17":"model_no-992g","18":"model_no-d11n","19":"model_no-d11r","20":"product_cat-mining","21":"product_tag-121-5723-bulldozer-shaft-cluster","22":"product_tag-121-5723-heavy-machinery-shaft","23":"product_tag-121-5723-mining-equipment-shaft","24":"product_tag-121-5723-off-highway-truck-gear","25":"product_tag-1215723-cat-shaft-cluster-gear","26":"product_tag-1215723-shaft-gear-assembly","27":"product_tag-cat-121-5723-earthmoving-gear","28":"product_tag-cat-121-5723-gear-shaft","29":"product_tag-cat-121-5723-replacement-part","30":"product_tag-cat-121-5723-track-loader-gear","31":"product_tag-cat-121-5723-track-type-tractor-shaft","32":"product_tag-cat-121-5723-tractor-gear-part","33":"product_tag-cat-1215723-cluster-gear","34":"product_tag-caterpillar-121-5723-drive-shaft","35":"product_tag-caterpillar-121-5723-gear-for-d11-tractor","36":"product_tag-caterpillar-121-5723-heavy-equipment-gear","37":"product_tag-caterpillar-121-5723-shaft-cluster-gear","38":"product_tag-caterpillar-121-5723-spare-part","39":"product_tag-caterpillar-121-5723-wheel-loader-shaft","40":"product_tag-caterpillar-1215723-industrial-gear","42":"first","43":"instock","44":"shipping-taxable","45":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/47994","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=47994"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/47499"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=47994"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=47994"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=47994"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=47994"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=47994"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=47994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}