{"product_id":"bartell-21782-main-shaft-oem-walk-behind-trowel-replacement-part","title":"Bartell 21782 Main Shaft - OEM Walk Behind Trowel Replacement Part","description":"\u003cp\u003eThe main shaft is a critical rotating component in a walk behind power trowel, transmitting torque from the gearbox to the trowel arms and blades, when it wears, bends, or fails, the machine loses consistent blade rotation and finish quality suffers immediately. Replacing it with a genuine OEM part ensures proper fit, correct dimensional tolerances, and reliable performance under the continuous load demands of concrete finishing work.\u003c\/p\u003e\u003cp\u003eThe main shaft on a walk behind trowel is subject to significant stress from repeated start-stop cycles, heavy blade loading, and exposure to abrasive concrete slurry. Signs that this component may need replacement include excessive vibration during operation, uneven blade sweep, unusual noise from the rotor assembly, or visible shaft runout when inspected. Using an OEM replacement ensures the shaft meets Bartell Global's original engineering specifications for diameter, length, material hardness, and surface finish, factors that directly affect bearing fit and blade arm alignment.\u003c\/p\u003e\u003cp\u003eThis part is compatible with the following Bartell Global walk behind trowel models:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eBC436\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":43412763181104,"sku":"21782","price":188.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/6574\/7248\/files\/21782.jpg?v=1784314264","url":"https:\/\/cce-industries.com\/products\/bartell-21782-main-shaft-oem-walk-behind-trowel-replacement-part","provider":"CCE Industries","version":"1.0","type":"link"}