Amagiya e-Annulus, abuye aziwe ngokuthi amagiya ayindandatho, angamagiya ayindilinga anamazinyo onqenqemeni lwangaphakathi. Umklamo wabo oyingqayizivele ubenza bafanelekele izinhlelo zokusebenza ezihlukahlukene lapho ukudluliswa kokunyakaza okujikelezayo kubalulekile.
Amagiya e-Annulus ayingxenye ebalulekile yama-gearbox kanye nokuhanjiswa kwemishini ehlukahlukene, okuhlanganisa imishini yezimboni, imishini yokwakha, nezimoto zezolimo. Zisiza ukudlulisa amandla kahle futhi zivumele ukuncishiswa kwesivinini noma ukwanda njengoba kudingeka ezinhlelweni zokusebenza ezahlukene.