STUFFING BOX The stuffing box of a 2-stroke MAN B&W main engine is a critical component used to seal the space between the engine’s piston rod and the crosshead It prevents leakage of gases or lubricants while allowing the piston rod to move back and forth during the engine’s operation. The stuffing box typically consists of a series of rings made from durable materials, which are designed to maintain a tight seal while handling the high pressures and temperatures present in the engine's operati