Ọkara ogwe bụ ogwe nke na-ebufe ike n'etiti ihe na-ebelata gearbox na wiil draịva (ọkachasị siri ike n'oge gara aga, mana ogwe oghere dị mfe ijikwa enweghị nha nhagharị. Ya mere, ọtụtụ ụgbọala na-eji ogwe oghere). Ngwụcha ime na mpụta ya nwere nkwonkwo zuru ụwa ọnụ (U / nkwonkwo) n'otu n'otu, nke ejikọtara ya na gia reducer na mgbanaka dị n'ime nke hub na-ebu site na spline na nkwonkwo zuru ụwa ọnụ.
A na-eji ogwe axle ebufe ike n'etiti differential na wiil draịva. Enwere ike kewaa ọkara axle nke axle draịva nkịtị na-anaghị agbaji n'ime nke na-ese n'elu mmiri zuru oke, nke na-ese n'elu mmiri na nke na-ese n'elu mmiri dịka ụdị nkwado dị iche iche dị na nsọtụ mpụta si dị.