جعبه گیربکس کاهش سوئیچ حفاری E70

گیربکس سوئینگ
August 27, 2025
Video Description:
Discover the Hitachi ZX70, ZX80, and ZX80LCK Swing Gearbox (Part Numbers 4445648 & 4470057) in this detailed product display. Learn how this critical excavator component ensures smooth rotation for digging, lifting, and material handling operations.