{"id":25134,"date":"2025-09-08T09:55:17","date_gmt":"2025-09-08T13:55:17","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-108-8423-shaft-as-lumbar-1088423\/"},"modified":"2025-09-08T09:55:19","modified_gmt":"2025-09-08T13:55:19","slug":"caterpillar-108-8423-shaft-as-lumbar-1088423","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-108-8423-shaft-as-lumbar-1088423\/","title":{"rendered":"CATERPILLAR 108-8423 Shaft AS-Lumbar 1088423"},"content":{"rendered":"<p><strong>Caterpillar 108-8423 Shaft AS-Lumbar \u2013 OEM-Grade Durability for Articulated Dump Trucks and Earthmoving Equipment<\/strong><\/p>\n<p>The Caterpillar 108-8423 Shaft AS-Lumbar is a precision-engineered drivetrain component designed for a wide range of heavy machinery, including articulated dump trucks such as the 1HK-D25D, 3AJ-D30D, and 4PS-D250E II models, as well as earthmoving compactors like the 5FN-816F and 7LN-826G. Manufactured to meet stringent OEM specifications, this shaft ensures optimal load transfer and torque distribution under extreme load conditions. Crafted from high-grade alloy steel with advanced metallurgy treatments, the 108-8423 shaft offers superior resistance to wear, fatigue, and corrosion, making it an essential part for maintaining peak machine performance and longevity.<\/p>\n<p>Technically, the 108-8423 Shaft AS-Lumbar features precision-machined diameters and balanced geometry to reduce vibration and mechanical stress within the drivetrain assembly. Its robust construction supports heavy-duty articulation and dynamic torque loads typical in Caterpillar\u2019s articulated dump trucks, excavators, and integrated tool carriers. This shaft enhances drivetrain efficiency by minimizing backlash and ensuring smooth power transmission, which translates into improved fuel efficiency and reduced maintenance downtime. Ideal for models ranging from the 9RF-D350D to the 4CS-5130B excavator series, this component is a critical upgrade for operators seeking reliability and performance in demanding earthmoving applications.<\/p>\n<p>\ud83d\udd17 For more detailed specifications and to purchase the Caterpillar 108-8423 Shaft AS-Lumbar, visit the official product page at <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-108-8423-shaft-as-lumbar-1088423\/\">AllParts Expert \u2013 Caterpillar 108-8423 Shaft AS-Lumbar<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>1HK-D25D Articulated Dump Truck<br \/>\n3AJ-D30D Articulated Dump Truck<br \/>\n4PS-D250E II Articulated Dump Truck<br \/>\n5TN-D250E Articulated Dump Truck<br \/>\n5MG-D300D Articulated Dump Truck<br \/>\n5KS-D300E II Articulated Dump Truck<br \/>\n7FN-D300E Articulated Dump Truck<br \/>\n9RF-D350D Articulated Dump Truck<br \/>\n2XW-D350E II Articulated Dump Truck<br \/>\n9LR-D350E Articulated Dump Truck<br \/>\n8PS-D400E II Articulated Dump Truck<br \/>\n2YR-D400E Articulated Dump Truck<br \/>\nAPF-D400E II Articulated Dump Truck<br \/>\n5FN-816F Earthmoving Compactor<br \/>\nBMR-816F Earthmoving Compactor<br \/>\n7LN-826G Earthmoving Compactor<br \/>\n1GN-815F Earthmoving Compactor<br \/>\nBKL-815F Earthmoving Compactor<br \/>\n6RN-825G Earthmoving Compactor<br \/>\n4CS-5130B Excavator<br \/>\n5ZL-5130 Excavator<br \/>\n4HZ-5230B Excavator<br \/>\n7LL-5230 Excavator<br \/>\n1WN-IT14G Integrated Toolcarrier<br \/>\n8ZM-IT14G Integrated Toolcarrier<br \/>\n1JL-IT28F Integrated Toolcarrier<br \/>\n3CL-IT28F Integrated Toolcarrier<br \/>\nFWL-IT14G Integrated Toolcarrier<br \/>\nKZN-IT14G Integrated Toolcarrier<br \/>\n5EJ-IT18F Integrated Toolcarrier<br \/>\n6ZF-IT18F Integrated Toolcarrier<br \/>\n4NN-IT24F Integrated To<\/p>","protected":false},"featured_media":24072,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[1829,2490,2491,2058,2492,2486,1831,2494,2060,2495,2488,2061,2063,2519,2064,2498,2499,2065,2502,2522,2521,75,7208,4984,38889,4437,5801,38890,27615,2066,27947,2985,17293,2571,2570,1823,2572,2540,2474,2475,2469,2473,2471,2541,2457,2542,2458,7544,8499,7545,5270,1378,1382,105,1379,7177,7176,7178,7175,41507,40255,41508,42814,39102,733,41043,27680,735,41044,27681,40204,37546,7155,7156,22357,7165,7157,7158,22360,22362,7163,7161,7164,7162,38894,38891,737,39177,27612,27613,27610,18538,27611,27614,3274,778],"product_cat":[144],"product_tag":[150653,150664,47515,150673,150671,150659,50291,150655,150674,150667,150669,58250,150662,61374,150657,150656,150668,150666,150658,150670,150663,150660,150672,61445,52567,150661,150665,130687,150652,150654,41673,51650,150651,150675,150676],"class_list":{"0":"post-25134","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-120h","9":"model_no-120h-es","10":"model_no-120h-na","11":"model_no-12h","12":"model_no-12h-es","13":"model_no-12h-na","14":"model_no-135h","15":"model_no-135h-na","16":"model_no-140h","17":"model_no-140h-es","18":"model_no-140h-na","19":"model_no-143h","20":"model_no-14h","21":"model_no-14h-na","22":"model_no-160h","23":"model_no-160h-es","24":"model_no-160h-na","25":"model_no-163h","26":"model_no-163h-na","27":"model_no-16h","28":"model_no-16h-na","29":"model_no-24h","30":"model_no-7208","31":"model_no-5130b","32":"model_no-38889","33":"model_no-4437","34":"model_no-5230b","35":"model_no-38890","36":"model_no-561m","37":"model_no-572r","38":"model_no-572r-ii","39":"model_no-583r","40":"model_no-69d","41":"model_no-768c","42":"model_no-769c","43":"model_no-769d","44":"model_no-771c","45":"model_no-771d","46":"model_no-772b","47":"model_no-773b","48":"model_no-773d","49":"model_no-775b","50":"model_no-775d","51":"model_no-776c","52":"model_no-776d","53":"model_no-777c","54":"model_no-777d","55":"model_no-784b","56":"model_no-784c","57":"model_no-785b","58":"model_no-785c","59":"model_no-789b","60":"model_no-789c","61":"model_no-793b","62":"model_no-793c","63":"model_no-815f","64":"model_no-816f","65":"model_no-825g","66":"model_no-826g","67":"model_no-41507","68":"model_no-933c","69":"model_no-41508","70":"model_no-939c","71":"model_no-39102","72":"model_no-733","73":"model_no-953b","74":"model_no-953c","75":"model_no-735","76":"model_no-963b","77":"model_no-963c","78":"model_no-40204","79":"model_no-973c","80":"model_no-d250e","81":"model_no-d250e-ii","82":"model_no-d25d","83":"model_no-d300d","84":"model_no-d300e","85":"model_no-d300e-ii","86":"model_no-d30d","87":"model_no-d350d","88":"model_no-d350e","89":"model_no-d350e-ii","90":"model_no-d400e","91":"model_no-d400e-ii","92":"model_no-d4htsk-ii","93":"model_no-d4htsk-iii","94":"model_no-d5","95":"model_no-it14g","96":"model_no-it18f","97":"model_no-it24f","98":"model_no-it28f","99":"model_no-it28g","100":"model_no-it38f","101":"model_no-it38g","102":"model_no-it38g-ii","103":"model_no-it62g","104":"product_cat-mining","105":"product_tag-108-8423-lumbar-shaft","106":"product_tag-1gn-815f-earthmoving-compactor-shaft","107":"product_tag-1hk-d25d-parts","108":"product_tag-1jl-it28f-shaft","109":"product_tag-1wn-it14g-shaft","110":"product_tag-2xw-d350e-ii-shaft","111":"product_tag-2yr-d400e-parts","112":"product_tag-3aj-d30d-shaft","113":"product_tag-3cl-it28f-parts","114":"product_tag-4cs-5130b-shaft","115":"product_tag-4hz-5230b-shaft","116":"product_tag-4ps-d250e-ii-parts","117":"product_tag-5fn-816f-shaft","118":"product_tag-5ks-d300e-ii-parts","119":"product_tag-5mg-d300d-lumbar-shaft","120":"product_tag-5tn-d250e-shaft","121":"product_tag-5zl-5130-parts","122":"product_tag-6rn-825g-shaft","123":"product_tag-7fn-d300e-shaft","124":"product_tag-7ll-5230-parts","125":"product_tag-7ln-826g-shaft","126":"product_tag-8ps-d400e-ii-shaft","127":"product_tag-8zm-it14g-parts","128":"product_tag-9lr-d350e-articulated-dump-truck-parts","129":"product_tag-9rf-d350d-parts","130":"product_tag-apf-d400e-ii-shaft","131":"product_tag-bkl-815f-parts","132":"product_tag-bmr-816f-parts","133":"product_tag-cat-1088423-shaft","134":"product_tag-cat-articulated-dump-truck-shaft","135":"product_tag-cat-earthmoving-compactor-parts","136":"product_tag-cat-integrated-toolcarrier-parts","137":"product_tag-caterpillar-108-8423","138":"product_tag-fwl-it14g-shaft","139":"product_tag-kzn-it14","141":"first","142":"instock","143":"shipping-taxable","144":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/25134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/all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