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Bulldozers sanye take da buckets (kamar ɗora kaya) suna da hannun aiki azaman tsarin tallafi kai tsaye don guga:
Ƙa'idar aiki: Silinda na albarku yana faɗaɗa kuma ya ja da baya don fitar da hannun mai aiki don ɗagawa da ƙasa, yana tuƙi guga don kammala zagayowar "Loading Felu na ƙasa → ɗagawa → zazzagewar saukewa". Tsawon tsayi da kusurwar ɗaga hannun hannu yana ƙayyade tsayin aiki da radius saukewa na guga. Misali, lokacin da ake sauke kaya a cikin mahakar ma'adinai, dogon hannu mai aiki na iya sauke kayan zuwa manyan motocin jigilar kaya.
Daidaita tsari: An tsara hannun guga mai aiki a matsayin sashe guda ɗaya ko biyu (ana iya ninka sashe biyu don rage girman sufuri), kuma ƙarfin hannun yana buƙatar dacewa da ƙarfin guga (yawanci 3-10m ³) don tabbatar da cewa baya lalacewa yayin lodi mai nauyi.
Yanayin aikace-aikacen: lodi da sufuri a aikin injiniya na ƙasa, sarrafa ɗan gajeren nesa na kayan ma'adinai, tarin kayan aiki yayin daidaitawar rukunin yanar gizo, da sauransu.

Ana iya daidaita hannun aiki na babban buldoza tare da na'urar sassauta ƙasa don murkushe ƙasa mai wuya, ƙasa mai daskarewa, da dutsen da aka yi sanyi:
Ƙa'idar aiki: Hannun aiki yana sarrafa kusurwar shigar ƙasa da zurfin na'urar kwance ƙasa ta silinda mai. Bayan ƙasa kwance tip haƙori ya tuntuɓi ƙasa, hannun mai aiki yana ɗaukar ƙarfin murkushewa, ya canza tura silinda mai zuwa ƙarfin shigar ƙasa a tsaye, kuma ya cimma rarrabuwar ƙasa.
Siffofin tsari: Hannun aiki na na'urar kwance ƙasa yawanci ya fi guntu da kauri, tare da haɓaka kauri daga 20% zuwa 30%. Matsakaicin bushing ɗin yana da ƙarfin juriya (wanda ya dace da tasiri mai girma{3}}), kuma an ƙarfafa kujerar haɗin silinda mai don jure babban ƙarfin axial.
Yanayin aikace-aikacen: Kafin aikin ƙasa{0}magani kafin gina hanya, ɓarkewar ƙasa a cikin ma'adanai, da rarrabuwar ƙasa a cikin gyaran gonaki.