{"id":14624,"date":"2025-07-21T11:14:56","date_gmt":"2025-07-21T15:14:56","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-173-3381-pump-gp-main-hydraulic-1733381\/"},"modified":"2025-07-21T11:14:58","modified_gmt":"2025-07-21T15:14:58","slug":"caterpillar-173-3381-pump-gp-main-hydraulic-1733381","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-173-3381-pump-gp-main-hydraulic-1733381\/","title":{"rendered":"CATERPILLAR 173-3381 Pump GP-Main Hydraulic 1733381"},"content":{"rendered":"

Caterpillar 173-3381 Pump GP-Main Hydraulic \u2013 OEM-Grade Hydraulic Performance and Durability<\/strong><\/p>\n

The Caterpillar 173-3381 Pump GP-Main Hydraulic is a precision-engineered component designed to deliver superior hydraulic power for a wide range of Caterpillar heavy machinery, including the 320C and 320D series excavators, as well as industrial and generator set engines like the ZAA-3508 and PTE-3512B. Manufactured to OEM specifications, this pump features robust metallurgy and precision machining to ensure optimal flow rates and pressure stability under demanding load conditions. Its compact design and durable construction enable seamless integration into the drivetrain hydraulic system, enhancing overall equipment efficiency and reliability.<\/p>\n

Engineered for high-performance hydraulic applications, the 173-3381 pump supports consistent pressure delivery and exceptional volumetric efficiency, critical for maintaining smooth operation of hydraulic cylinders and motors. The pump\u2019s internal components are crafted from high-strength alloys that resist wear and corrosion, extending service intervals and reducing downtime. Compatible with multiple Caterpillar excavator models such as the SAH-320C, MCF-321C, and PAC-320C, this hydraulic pump ensures peak performance across diverse operational environments, from heavy excavation to industrial power generation.<\/p>\n

For genuine Caterpillar hydraulic pump parts that guarantee durability and OEM-grade quality, explore the full specifications and purchase options here: \ud83d\udd17 Caterpillar 173-3381 Pump GP-Main Hydraulic<\/a>. This part is essential for maintaining the hydraulic system integrity of your Caterpillar machinery, ensuring long-term operational excellence and cost-effective maintenance.<\/p>","protected":false},"excerpt":{"rendered":"

ZAA-3508 Engine – Generator Set
\nPTE-3512B Engine – Generator Set
\nCH8-C7.1 Engine – Industrial
\nSAH-320C FM Excavator
\nMCF-321C Excavator
\nPAC-320C Excavator
\nKCR-321C Excavator
\nTBR-320C FM Excavator
\nAMC-320C Excavator
\nANB-320C Excavator
\nDBG-320C Excavator
\nGLA-320C Excavator
\nJTG-320C Excavator
\nMAC-320C Excavator
\nEAG-320C L Excavator
\nAKH-320C Excavator
\nALF-320C Excavator
\nBCB-320C Excavator
\nBDB-320C Excavator
\nBPR-320C Excavator
\nBRX-320C Excavator
\nEGL-320C Excavator
\nGNG-320C Excavator
\nHKT-320C Excavator
\nMAB-320C Excavator
\nPAB-320C Excavator
\nAXK-320C Excavator
\nBMZ-320C Excavator
\nEGA-320C Excavator
\nRAW-320C Excavator
\nSBN-320C Excavator
\nGAD-320C Excavator
\nBCN-320C Excavator
\nBDC-320C Excavator
\nBDE-320C Excavator
\nBEA-320C Excavator
\nBER-320C Excavator
\nBBL-320C Excavator
\nCLM-320C Excavator
\nEAX-320D FM Excavator
\nGKS-320D FM Excavator
\nPFE-320D2 Excavator
\nXAK-320D2 Excavator
\nBZF-320D Excavator
\nDHE-320D Excavator
\nEJT-320D Excavator
\nGDP-320D Excavator
\nGMX-320D Excavator
\nHJC-320D Ex<\/p>","protected":false},"featured_media":14467,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[28676],"model_no":[57554,40219,34851,43037,40231,40229,40230,1038,40221,1039,57555,40236,40233,40234,40235,1040,40239,57556,57557,40240,40241,40242,43038,7059,39369,50344,39370,2562,53198,44189,77209,71652,43042,41341,41346,41347,41334,43044,2594,2595,123],"product_cat":[144],"product_tag":[77222,77225,77223,77232,77229,77226,77230,20035,77228,77231,77233,77206,77227,77221,677,8843,77224,77215],"class_list":{"0":"post-14624","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-engine-generator-set","8":"model_no-311d-lrr","9":"model_no-311f-lrr","10":"model_no-312d","11":"model_no-312d-l","12":"model_no-312d2","13":"model_no-312d2-gc","14":"model_no-312d2-l","15":"model_no-312e","16":"model_no-312e-l","17":"model_no-312f","18":"model_no-313d","19":"model_no-313d2","20":"model_no-313d2-gc","21":"model_no-313d2-lgp","22":"model_no-313d2-gc-2","23":"model_no-313f","24":"model_no-313f-l","25":"model_no-314d-cr","26":"model_no-314d-lcr","27":"model_no-314e-cr","28":"model_no-314e-lcr","29":"model_no-314f-cr","30":"model_no-315d-l","31":"model_no-320c","32":"model_no-320c-fm","33":"model_no-320c-l","34":"model_no-320d","35":"model_no-320d-fm","36":"model_no-320d2","37":"model_no-320f-l","38":"model_no-321c","39":"model_no-321d-lcr","40":"model_no-323d","41":"model_no-323d-l","42":"model_no-323f-ln","43":"model_no-323f-oem","44":"model_no-323f-sa","45":"model_no-325f-lcr","46":"model_no-2594","47":"model_no-3512b","48":"model_no-c7-1","49":"product_cat-mining","50":"product_tag-1733381-hydraulic-pump","51":"product_tag-320c-excavator-pump-part","52":"product_tag-cat-173-3381-main-pump","53":"product_tag-cat-320c-320d-excavator-hydraulic-components","54":"product_tag-cat-320c-fm-excavator-parts","55":"product_tag-cat-320d-hydraulic-pump","56":"product_tag-cat-320d-series-excavator-pump","57":"product_tag-cat-construction-machinery-parts","58":"product_tag-cat-engine-generator-parts-zaa-3508","59":"product_tag-cat-hydraulic-pump-173-3381-replacement","60":"product_tag-cat-hydraulic-system-173-3381-pump","61":"product_tag-cat-industrial-engine-ch8-c7-1","62":"product_tag-cat-pump-gp-main-173-3381","63":"product_tag-caterpillar-173-3381-pump","64":"product_tag-caterpillar-excavator-parts","65":"product_tag-caterpillar-mining-equipment-pump","66":"product_tag-hydraulic-pump-for-cat-excavator","67":"product_tag-pte-3512b-engine-parts","69":"first","70":"instock","71":"shipping-taxable","72":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/14624","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=14624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/14467"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=14624"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=14624"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=14624"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=14624"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=14624"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=14624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}