Hydraulic swing reducer for Yanmar excavator, compatible with models B3, B30, B31, B32, B37, and B43. This robust and reliable reducer is designed to provide optimal performance in intense working conditions. With a durable construction and compact shape, it is ideal for enhancing the efficiency and productivity of your machinery. Easy to install and maintain, this swing reducer ensures smooth and precise rotation, contributing to the efficient operation of the excavator. The product is made from high-quality materials, guaranteeing a long service life and superior performance.