{"product_id":"caterpillar-4d-7545-gear-hub","title":"Caterpillar 4D-7545 Gear Hub","description":"\u003cdiv\u003e\u003cp\u003eCaterpillar 4D-7545 Gear Hub is a Cat OEM component identified by part number 4D-7545. This gear hub is documented in Cat catalogs as part of the company’s gear-set components and sits within Caterpillar’s drivetrain component family. Related catalog entries include 4V-7545, listed as a 66-tooth ring gear, which helps illustrate the gear-set ecosystem surrounding the 4D-7545 hub in Cat drive systems. As an authentic Caterpillar part, the 4D-7545 Gear Hub carries Cat’s engineering standards and is intended for use with other Cat final-drive and transmission components to maintain proper gear alignment and power transfer in heavy equipment. Buyers should consult Cat’s official parts diagrams or a dealer for exact machine-model compatibility and any required mating components, since final assembly specifications vary by model and serial number. This description reflects the role of the part within Caterpillar’s drivetrain ecosystem and emphasizes its purpose as a genuine Cat hub component used to support and align gear sets in demanding construction and earthmoving operations.\u003c\/p\u003e\u003c\/div\u003e","brand":"Caterpillar","offers":[{"title":"New Surplus No Box","offer_id":51677850173742,"sku":null,"price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_17c9a258-8299-4869-98c3-da1f57fcb028.jpg?v=1769568402","url":"https:\/\/plgautomation.com\/products\/caterpillar-4d-7545-gear-hub","provider":"PLG Automation ","version":"1.0","type":"link"}