Ipompo yokulawula amandla ombane aqhelekileyo ityhala i-hydraulic fluid ngaphandle koxinzelelo oluphezulu ukwenzela ukudala umahluko woxinzelelo oluguqulela "uncedo lwamandla" kwinkqubo yokulawula imoto.Iimpompo zokuqhuba amandla omatshini zisetyenziswa kwiinkqubo zokuqhuba i-hydraulic, ke ikwabizwa ngokuba yi-hydraulic drive system. impompo ye-hydraulic.