故傳動較平穩(wěn)。工作機(jī)構(gòu)的變速和換向靠調(diào)節(jié)泵或馬達(dá)的變量機(jī)構(gòu)實(shí)現(xiàn)，避免了開式系統(tǒng)換向過程中所出現(xiàn)的液壓沖擊和能量損失。但閉式系統(tǒng)較開式系統(tǒng)復(fù)雜，因無油箱，油液的散熱和過濾條件較差。為補(bǔ)償系統(tǒng)中的泄漏，通常需要一個(gè)小流量的補(bǔ)油泵

5RK60GU-SF,5RK60GN-S3F,5RK60GU-S3F,5RK60GN-UF,5RK60GU-UF,5RK60A-UF,5RK60A-AF,5RK60A-CF,5RK60GN-AF,5RK60GU-AF,5RK60A-CFF,5RK60A-UFF,5RK60GN-CFF,5RK60GU-CFF,5RK60GN-UFF,5RK60GU-UFF,5RK90GN-CF,5RK90GU-CF,5RK90A-SF,5RK90A-S3F,5RK90GN-SF,5RK90GU-SF,5RK90GN-S3F,5RK90GU-S3F,5RK90GN-UF,5RK90GU-UF,5RK90A-UF,5RK90A-AF,5RK90A-CF,5RK90GN-AF,5RK90GU-AF,5RK90A-CFF,5RK90A-UFF,5RK90GN-CFF,5RK90GU-CFF,