{"id":48159,"date":"2026-01-16T02:37:37","date_gmt":"2026-01-16T07:37:37","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-4n-0423-shaft-drive-idler-4n0423\/"},"modified":"2026-01-16T02:37:40","modified_gmt":"2026-01-16T07:37:40","slug":"caterpillar-4n-0423-shaft-drive-idler-4n0423","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-4n-0423-shaft-drive-idler-4n0423\/","title":{"rendered":"CATERPILLAR 4N-0423 Shaft-Drive Idler 4N0423"},"content":{"rendered":"

Caterpillar 4N-0423 Shaft-Drive Idler \u2013 OEM-Grade Durability and Precision Engineering<\/strong><\/p>\n

The Caterpillar 4N-0423 Shaft-Drive Idler is a critical component engineered for optimal performance in heavy-duty applications such as cold planers (3TK-PM-565, 8GS-PM-565B, 5XC-PR-1000 series), drills (DLK-MD6310, DN7-MD6250 series), earthmoving compactors (7FR-836, 3RL-836), and engine-generator sets (81Z-3412 series, C32 series). Manufactured to meet stringent OEM specifications, this idler features robust metallurgy designed to withstand extreme load conditions and harsh operating environments. Its precision-machined shaft and idler wheel ensure smooth drivetrain operation, reducing wear and enhancing the longevity of your Caterpillar machinery.<\/p>\n

Constructed from high-strength alloy steel with superior heat treatment, the 4N-0423 idler delivers exceptional resistance to abrasion and fatigue. Its optimized diameter and bearing assembly provide consistent tension and alignment in the track system, minimizing downtime and maintenance costs. This shaft-drive idler is engineered for seamless integration with multiple Caterpillar models, ensuring reliable performance under rigorous earthmoving, drilling, and power generation tasks. By maintaining proper track tension and drivetrain stability, it enhances machine efficiency and operational safety.<\/p>\n

For genuine Caterpillar parts that guarantee durability and peak performance, explore the full specifications and purchase options for the 4N-0423 Shaft-Drive Idler here: \ud83d\udd17 Caterpillar 4N-0423 Shaft-Drive Idler at AllParts Expert<\/a>. Ensure your heavy equipment operates at maximum efficiency with this essential drivetrain component.<\/p>","protected":false},"excerpt":{"rendered":"

3TK-PM-565 Cold Planer
\n8GS-PM-565B Cold Planer
\n5XC-PR-1000C Cold Planer
\n5XC-PR-1000 Cold Planer
\n7PJ-PR-450C Cold Planer
\n7DC-PR-450 Cold Planer
\nDLK-MD6310 Drill
\nDLZ-MD6310 Drill
\nDN7-MD6250 Drill
\nDN8-MD6250 Drill
\n7FR-836 Earthmoving Compactor
\n3RL-836 Earthmoving Compactor
\n81Z-3412C Engine – Generator Set
\n81Z-3412 Engine – Generator Set
\nDWB-C27 Engine – Generator Set
\nSTR-C27 Engine – Generator Set
\nSXC-C32 Engine – Generator Set
\nMED-C32 Engine – Generator Set
\n78Z-3408B Engine – Generator Set
\n78Z-3408C Engine – Generator Set
\n78Z-3408 Engine – Generator Set
\n2WJ-3412 Engine – Generator Set
\nMEZ-POWER SYS Engine – Generator Set
\n4BZ-3412C Engine – Generator Set
\nFLX-C32 Engine – Generator Set
\nJAZ-C32 Engine – Generator Set
\nJSJ-C32 Engine – Generator Set
\nNRC-C32 Engine – Generator Set
\nTZJ-C32 Engine – Generator Set
\nTZK-C32 Engine – Generator Set
\nWDR-C32 Engine – Generator Set
\nKNM-C32 Engine – Generator Set
\n2BG-3408B Engine – Generator Set
\nBAK-3412C Engine – Generator Set
\nBAX-3412C Engine<\/p>","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[15462],"model_no":[38849,3373,3374,3375,1231,3376,3377,5271,152767,1678,2567,15341,2656,2657,36342,36356,2658,38116,6723,2659,2660,2661,2662,2663,2664,2665,2666,2667,2668,3369,3370,41417,3371,41416,2654,2655,2671,19877,19875,6724,36338,38840,6721,38842,38841,42431,42430,40395,6725],"product_cat":[144],"product_tag":[61679,51069,315981,315975,89388,116739,60542,47290,50354,70580,51488,314292,315977,315983,91155,56426,315993,316001,315994,315997,315985,315979,315991,315987,57579,105451,55785,67378],"class_list":{"0":"post-48159","1":"product","2":"type-product","3":"status-publish","5":"product_brand-caterpillar","6":"machine-type-cold-planer","7":"model_no-38849","8":"model_no-3408b","9":"model_no-3408c","10":"model_no-3408e","11":"model_no-1231","12":"model_no-3412c","13":"model_no-3412e","14":"model_no-5110b","15":"model_no-152767","16":"model_no-6020b","17":"model_no-2567","18":"model_no-15341","19":"model_no-c27","20":"model_no-c32","21":"model_no-c32-genset","22":"model_no-c32-marine","23":"model_no-c32b","24":"model_no-cg137-08","25":"model_no-cg137-12","26":"model_no-d1000","27":"model_no-d1250","28":"model_no-d800","29":"model_no-de1000s","30":"model_no-de1100","31":"model_no-de1250","32":"model_no-de1250s","33":"model_no-de1400","34":"model_no-de1500","35":"model_no-de800s","36":"model_no-g3408","37":"model_no-g3408b","38":"model_no-g3408c","39":"model_no-g3412","40":"model_no-g3412c","41":"model_no-md6250","42":"model_no-md6310","43":"model_no-oem-power","44":"model_no-pm-565","45":"model_no-pm-565b","46":"model_no-pm3412","47":"model_no-power-sys","48":"model_no-pr-1000","49":"model_no-pr-1000c","50":"model_no-pr-450","51":"model_no-pr-450c","52":"model_no-sct673","53":"model_no-sps342","54":"model_no-spt342","55":"model_no-xqg400","56":"product_cat-mining","57":"product_tag-3rl-836-earthmoving-compactor-parts","58":"product_tag-3tk-pm-565-cold-planer-parts","59":"product_tag-4n-0423-drive-shaft","60":"product_tag-4n-0423-shaft-drive-idler","61":"product_tag-5xc-pr-1000-cold-planer","62":"product_tag-5xc-pr-1000c-cold-planer-replacement","63":"product_tag-7dc-pr-450-cold-planer-components","64":"product_tag-7fr-836-earthmoving-compactor-parts","65":"product_tag-7pj-pr-450c-cold-planer-parts","66":"product_tag-81z-3412c-engine-generator-set-parts","67":"product_tag-8gs-pm-565b-cold-planer-components","68":"product_tag-cat-3tk-pm-565-cold-planer","69":"product_tag-cat-4n-0423-parts","70":"product_tag-cat-4n-0423-shaft-idler","71":"product_tag-cat-5xc-pr-1000c-parts","72":"product_tag-cat-7fr-836-compactor-components","73":"product_tag-cat-7pj-pr-450c-replacement","74":"product_tag-cat-81z-3412c-engine","75":"product_tag-cat-dlk-md6310-drill-replacement","76":"product_tag-cat-dn7-md6250-replacement-drill","77":"product_tag-caterpillar-3tk-pm-565-planer","78":"product_tag-caterpillar-4n-0423-idler-shaft","79":"product_tag-caterpillar-5xc-pr-1000-spare-parts","80":"product_tag-caterpillar-8gs-pm-565b-parts","81":"product_tag-dlk-md6310-drill-parts","82":"product_tag-dlz-md6310-drill-components","83":"product_tag-dn7-md6250-drill-parts","84":"product_tag-dn8-md6250-drill-components","86":"first","87":"instock","88":"shipping-taxable","89":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/48159","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=48159"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=48159"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=48159"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=48159"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=48159"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=48159"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=48159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}