Makina oyendetsa pansi ndi njira yachiwiri yomwe imagwiritsidwa ntchito kwambiri poyenda pambuyo pa mtundu wa matayala pamakina omanga. Zomwe zimagwiritsidwa ntchito nthawi zambiri ndi: makina opukutira ndi owonera, zida zobowola, zofukula, makina opaka, etc.
Mwachidule, ubwino wogwiritsa ntchito crawler chassis ndi wochuluka komanso wofunikira. Kuchokera pamakokedwe apamwamba komanso kukhazikika mpaka kuyandama kosunthika komanso kusinthasintha, makina amakina amapereka maubwino angapo omwe amathandizira kukonza magwiridwe antchito komanso mphamvu zamakina olemera.