Ogwiritsa ntchito pakhomo la AT120 amakhala ndi mota ya DC, chowongolera, thiransifoma, ndi zina zambiri, zomwe zimayikidwa mwachindunji pachitseko cha aluminium. Galimoto ili ndi zida zochepetsera komanso encoder ndipo imayendetsedwa ndi wowongolera. Transformer imapereka mphamvu kwa wowongolera. Makina owongolera makina a AT120 amatha kukhazikitsa kulumikizana ndi LCBII/TCB kudzera pazizindikiro zapadera, ndipo amatha kukwaniritsa kutsegulira kwa chitseko ndi kutseka kolowera. Ndi yodalirika kwambiri, yosavuta kugwiritsa ntchito, ndipo imakhala ndi makina ang'onoang'ono kugwedezeka. Ndi oyenera kachitidwe khomo ndi bwino kutsegula m'lifupi zosaposa 900mm.
Ubwino wa mankhwala(ziwiri zotsirizirazi zimafuna ma seva ofanana kuti agwire ntchito): kudzipangira m'lifupi mwa khomo, kudzipangira torque, kudzipangira tokha, kuyendetsa galimoto, mawonekedwe otengera menyu, kusintha kosinthika kwapatsamba.