The Accessory Drive Shaft in an engine is a part that transmits rotational power from the engine's crankshaft to various driven accessories. It is a long, cylindrical shaft that allows for proper tensioning of belts or other power transmission elements to maintain optimal power transfer and prevent slippage.Attributes:• Hardened to indicate its resistance against deformation• Provided with 12 mounting holes to fit fasteners of size 3.8 inchesApplications:The Accessory Drive Shaft is adjustable with power transmission elements to maintain optimal power transfer and prevent slippage.