8A-1515-000 Intermediate Gearbox (IGB)

8A-1515-000 Intermediate Gearbox (IGB)

8A-1515-000 intermediate gearbox for sale, offered as a critical transmission assembly installed in the tail rotor drive system of Mi-8, Mi-17, and Mi-171 helicopters. The intermediate gearbox (IGB) transfers and redirects mechanical power along the tail boom between tail drive shaft sections, ensuring reliable torque transmission to the tail rotor gearbox. This unit is intended for operators and MRO organizations seeking a direct replacement or spare gearbox to support operational availability.