The Hustler 322974 Axle is an authentic OEM replacement part specifically designed for various Hustler FasTrak series zero-turn mowers, including the FasTrak SD and FasTrak SDX models. This critical component ensures proper wheel function and structural integrity, which is essential for maintaining the maneuverability and operational efficiency of your equipment. Weighing approximately 4.54 kg, it is manufactured to meet original specifications, providing a precise fit and long-lasting durability for demanding agricultural and landscaping tasks.