1. An tsara shi don ɗaga gizo-gizo / crane/robot
2. Crawler under carriage iya samar da ayyuka irin su goyon baya, kwanciyar hankali, gogayya, propulsion, sassauci da kuma daidaitawa, kyale gizo-gizo yin tafiya da kuma aiki a daban-daban hadaddun yanayin aiki.
3. Wannan zane-zane na chassis shine don inganta motsi, aminci da ingantaccen kayan aikin injiniya yayin da rage tasirin ƙasa.