bucket hinge pin
/ˈbʌkɪt ˈhɪndʒ ˈpɪn/
n
English · bucket hinge pin中文 · 铲斗铰接销Español · perno de articulación del cucharónFrançais · articulation de la pelleteuse
意味：Set of parts that causes the backhoe to move around a vertical axle to swivel the bucket from side to side.