{"id":51884,"date":"2026-01-27T23:26:00","date_gmt":"2026-01-28T04:26:00","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-1s-6251-gear-a-1s6251\/"},"modified":"2026-01-27T23:26:02","modified_gmt":"2026-01-28T04:26:02","slug":"caterpillar-1s-6251-gear-a-1s6251","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-1s-6251-gear-a-1s6251\/","title":{"rendered":"CATERPILLAR 1S-6251 Gear A. 1S6251"},"content":{"rendered":"<p><strong>Caterpillar 1S-6251 Gear A \u2013 OEM-Grade Precision for Industrial and Track-Type Applications<\/strong><\/p>\n<p>The Caterpillar 1S-6251 Gear A is a high-performance drivetrain component engineered for durability and optimal power transmission across a wide range of Caterpillar heavy machinery. Compatible with multiple engine models including the 46B-D353C\/E, 64B-G353D, and 77B-D353E Industrial Engines, as well as Marine Products like 47B-D353C\/E and Pipelayers such as 96V-594H and 62H-594, this gear ensures seamless integration and reliable operation under demanding load conditions. Additionally, it supports various Track-type Tractors including the 66A-D9G, 90V-D9H, and 97L-9, providing versatility across mining, construction, and marine sectors. Manufactured with premium metallurgy, the 1S-6251 Gear A offers exceptional resistance to wear, fatigue, and thermal stress, ensuring extended service life and reduced downtime.<\/p>\n<p>Technically crafted to meet stringent Caterpillar OEM specifications, the 1S-6251 Gear A features precision-machined teeth with optimized pitch and hardness to maintain consistent torque transfer and minimize backlash in heavy-duty applications. Its robust design accommodates high torque loads and shock impacts typical in industrial and track-type tractor environments. The gear\u2019s metallurgy includes heat-treated alloy steel with surface hardening processes that enhance load-bearing capacity and corrosion resistance. This results in superior performance, reliability, and efficiency, making it an indispensable spare part for maintaining drivetrain integrity and operational excellence in Caterpillar machinery.<\/p>\n<p>For detailed specifications and to purchase the Caterpillar 1S-6251 Gear A, visit \ud83d\udd17 <a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-1s-6251-gear-a-1s6251\/\">Caterpillar 1S-6251 Gear A at AllParts Expert<\/a>. This ensures you receive genuine OEM-quality parts optimized for your heavy equipment\u2019s performance and longevity.<\/p>","protected":false},"excerpt":{"rendered":"<p>46B-D353C Engine &#8211; Industrial <\/p>\n<p>46B-D353D Engine &#8211; Industrial <\/p>\n<p>46B-D353E Engine &#8211; Industrial <\/p>\n<p>64B-G353D Engine &#8211; Industrial <\/p>\n<p>77B-D353E Engine &#8211; Industrial <\/p>\n<p>47B-D353C Marine Products <\/p>\n<p>47B-D353D Marine Products <\/p>\n<p>47B-D353E Marine Products <\/p>\n<p>96V-594H Pipelayer <\/p>\n<p>62H-594 Pipelayer <\/p>\n<p>66A-D9G Track-type Tractor <\/p>\n<p>90V-D9H Track-type Tractor <\/p>\n<p>90J-D9G Track-type Tractor <\/p>\n<p>91J-D9G Track-type Tractor <\/p>\n<p>18K-9S Track-type Tractor <\/p>\n<p>42V-193 Track-type Tractor <\/p>\n<p>97L-9 Track-type Tractor <\/p>\n<p>12U-D9H Track-type Tractor <\/p>\n<p>97V-D9H Track-type Tractor <\/p>\n<p>98V-D9H Track-type Tractor <\/p>\n<p>99V-D9H Track-type Tractor<\/p>","protected":false},"featured_media":51136,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[77459],"model_no":[6728,6740,1670,18106,6746,6747,6748,6752,6753,39157],"product_cat":[144],"product_tag":[351803,351782,351776,351781,351788,351794,351809,351796,351804,351784,351778,351791,351811,351798,351800,351780,351806,351786,351812,351793],"class_list":{"0":"post-51884","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-engine-industrial","8":"model_no-6728","9":"model_no-594h","10":"model_no-1670","11":"model_no-9s","12":"model_no-d353c","13":"model_no-d353d","14":"model_no-d353e","15":"model_no-d9g","16":"model_no-d9h","17":"model_no-g353d","18":"product_cat-mining","19":"product_tag-1s-6251-d9g-track-type-tractor-gear","20":"product_tag-1s-6251-engine-gear","21":"product_tag-1s-6251-gear","22":"product_tag-1s-6251-heavy-machinery-gear","23":"product_tag-1s-6251-marine-engine-gear","24":"product_tag-1s-6251-pipelayer-parts","25":"product_tag-1s-6251-replacement-gear","26":"product_tag-1s-6251-track-type-tractor-gear","27":"product_tag-cat-1s-6251-d9h-engine-gear","28":"product_tag-cat-1s-6251-engine-part","29":"product_tag-cat-1s-6251-gear","30":"product_tag-cat-1s-6251-marine-parts","31":"product_tag-cat-1s-6251-oem-gear","32":"product_tag-cat-1s-6251-track-type-tractor-parts","33":"product_tag-caterpillar-1s-6251-d9-series-gear","34":"product_tag-caterpillar-1s-6251-gear","35":"product_tag-caterpillar-1s-6251-heavy-equipment-gear","36":"product_tag-caterpillar-1s-6251-industrial-engine-gear","37":"product_tag-caterpillar-1s-6251-machinery-gear","38":"product_tag-caterpillar-1s-6251-pipelayer-gear","40":"first","41":"instock","42":"shipping-taxable","43":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/51884","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=51884"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/51136"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=51884"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=51884"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=51884"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=51884"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=51884"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=51884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}