The Sulzer ZV 40/48 marine diesel engine features an insertion-type feather spline for the shaft, with part K 46166 and code number K 46205. This feather spline is a vital component that facilitates the transmission of torque between the shaft and other rotating parts of the engine, ensuring smooth power transfer and alignment. Designed for durability and precision, the insertion-type feather spline plays a critical role in maintaining the engine's mechanical integrity, reducing the risk of slippage or misalignment during operation. Proper maintenance and fitting of this part are essential for the engine's efficiency and long-term performance.