{"product_id":"bartell-21737-main-gear-oem-replacement-part","title":"Bartell 21737 Main Gear - OEM Replacement Part","description":"\u003cp\u003eTransferring rotational power from the engine through the drivetrain, the main gear is a critical component in the power transmission assembly of Bartell walk behind trowels, when this gear wears, chips, or fails, the trowel loses the ability to drive its finishing blades, making replacement essential to restoring machine operation.\u003c\/p\u003e\u003cp\u003eAs a precision-machined drivetrain component, the main gear must mesh correctly with mating gears to ensure smooth, consistent blade rotation across the full operating cycle. Signs of wear or failure typically include unusual grinding noises during operation, inconsistent blade speed, or complete loss of blade drive. When servicing this component, inspect all mating gears, bearings, and housings for wear before reinstalling, and ensure the gear housing is properly lubricated after assembly to prevent accelerated wear on the replacement part.\u003c\/p\u003e\u003cp\u003eThis is a genuine OEM part sourced directly from Bartell Global, manufactured to the exact tolerances required for proper drivetrain function. Aftermarket substitutes may not meet the gear profile or material specifications required for reliable performance in concrete finishing applications.\u003c\/p\u003e\u003cp\u003eCompatible models:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBartell BC446 Walk Behind Trowel\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eGenuine Bartell Global OEM part, sold by an authorized dealer.\u003c\/p\u003e","brand":"Bartell","offers":[{"title":"Default Title","offer_id":43412762492976,"sku":"21737","price":368.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6574\/7248\/files\/21737.jpg?v=1784314198","url":"https:\/\/cce-industries.com\/products\/bartell-21737-main-gear-oem-replacement-part","provider":"CCE Industries","version":"1.0","type":"link"}