{"product_id":"hydro-gear-71906-fan-pulley-kit-for-zt-5400-transmissions-8-25-cooling-fan-5-drive-pulley","title":"Hydro-Gear 71906 Fan \u0026 Pulley Kit for ZT-5400 Transmissions – 8.25\" Cooling Fan \u0026 5\" Drive Pulley","description":"\u003cp data-pm-slice=\"1 3 []\"\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 71906\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCategory:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydro-Gear Lawn \u0026amp; Garden Equipment Replacement Parts\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eType:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Replacement Hydrostatic Transmission Cooling Fan \u0026amp; Drive Pulley Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHydro-Gear 71906 Fan \u0026amp; Pulley Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a genuine OEM replacement assembly designed for compatible Hydro-Gear ZT-5400 hydrostatic transmissions used in commercial zero-turn lawn mowers. This kit includes an 8.25-inch, eight-blade cooling fan, 5-inch drive pulley, spacer, washer, and retaining nut to support proper transmission cooling and belt-driven operation. The cooling fan helps circulate air around the transmission during operation, while the pulley transfers drive power through the mower's belt system. Designed for specified ZT-5400 configurations, the Hydro-Gear 71906 provides a replacement for worn, cracked, broken, or damaged fan and pulley components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 71906\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydro-Gear\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Fan \u0026amp; Pulley Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eComponent Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydrostatic Transmission Cooling \u0026amp; Drive Assembly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePart Classification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Genuine OEM Replacement Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompatible Transmission Series:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hydro-Gear ZT-5400\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling Fan Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8.25\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling Fan Blade Count:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDrive Pulley Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePulley Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Single Pulley\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePulley Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2.5\" Above Axle Centerline\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCooling Fan Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 55049\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDrive Pulley Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 53179\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpacer Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 53172\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWasher Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 51523\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRetaining Nut Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 44133\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNut Thread Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/2\"-20\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAriens OEM Replacement Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 21544035\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zero-Turn Mower Hydrostatic Transmission Cooling \u0026amp; Drive Maintenance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 Fan \u0026amp; Pulley Kit\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eFeatures \u0026amp; Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGenuine Hydro-Gear 71906 replacement fan and pulley kit\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for compatible ZT-5400 hydrostatic transmissions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes an 8.25-inch cooling fan with eight blades\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFeatures a 5-inch drive pulley for compatible belt-drive systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCooling fan helps maintain airflow around the transmission\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDrive pulley supports proper transmission input operation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes essential spacer and mounting hardware\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM replacement components provide dependable fit in specified configurations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for replacing cracked, broken, worn, or damaged transmission components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSelect Hydro-Gear ZT-5400 hydrostatic transmissions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible Ariens commercial zero-turn mowers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSelect Gravely zero-turn mower configurations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompatible commercial mowers using Ariens 21544035\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHydrostatic transmission cooling fan replacement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTransmission input drive pulley repairs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCommercial mower transmission maintenance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEquipment specifying Hydro-Gear 71906 fan and pulley kits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHydro-Gear part number 71906\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThis listing includes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eone replacement fan and pulley kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, not a complete hydrostatic transmission.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKit components include the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e55049 cooling fan, 53179 pulley, 53172 spacer, 51523 washer, and 44133 nut\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFeatures an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8.25-inch eight-blade fan and 5-inch drive pulley\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHydro-Gear specifies this kit for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZT-5400 configuration with the pulley 2.5 inches above the axle centerline\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReplaces Ariens OEM part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e21544035\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e in compatible applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not confuse this kit with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHydro-Gear 71905\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which uses a different pulley-height configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOther ZT-5400 configurations may require different fan and pulley kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfirm compatibility using the complete transmission model and configuration number.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect the drive belt, input shaft, and surrounding mounting hardware before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eShut off the engine, remove the ignition key, and allow moving components to stop before servicing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFollow the equipment manufacturer's installation and safety instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hydro Gear","offers":[{"title":"Default Title","offer_id":54326581657963,"sku":"71906","price":86.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/71906.webp?v=1793889374","url":"https:\/\/generalsprayers.com\/products\/hydro-gear-71906-fan-pulley-kit-for-zt-5400-transmissions-8-25-cooling-fan-5-drive-pulley","provider":"GeneralSprayers","version":"1.0","type":"link"}