The Niemeyer 015621 main drive shaft is a genuine OEM component designed for various Niemeyer HR series agricultural machinery, including rotary tedders and rakes. This essential part ensures efficient and reliable power transmission within the machine's drivetrain. Manufactured to original specifications, it guarantees optimal performance and durability. Confirmed fitment for Niemeyer HR 280, HR 300, HR 320, HR 350, HR 380, HR 400, HR 420, HR 450, HR 480, and HR 500 models.