The Rostselmash 100172985 is an original equipment manufacturer (OEM) straw discharge pulley designed for Rostselmash combine harvesters. This critical component plays a vital role in the efficient operation of the straw discharge system, ensuring proper rotation and movement of the straw chopper or spreader mechanism. Manufactured to Rostselmash's stringent quality standards, this pulley provides reliable performance and durability, contributing to optimal crop residue distribution and machine longevity. It is a direct replacement part, guaranteeing perfect fitment and functionality within compatible Rostselmash combine models.