JH21series e bula mochine oa morao o nang le clutch e omileng le tšireletso ea hydraulic overload 'Mele o cheselitsoeng o nang le poleiti ea tšepe le matla a holimo. Enjene e kholo e entsoe ke Siemens. Li-adopts tse kopantseng pneumatic friction clutch le brake. Lisebelisoa tsa Cluster li sebelisa ho tlotsa oli ea likhohola. Tataiso ea bolelele ba khutlonnetsepa ea lifahleho tse tšeletseng;JH21-315B/400B e nka tsela e bolelele ba lifahleho tse robeli. E na le sesebelisoa se sireletsang hydraulic overload. JH21-25/25B/45 e amohela phetoho ea bophahamo ba ho koala ka letsoho, har'a mefuta ena JH21-25/45 e amohela ponts'o ea sekala le JH21-25B e nang le ponts'o ea dijithale. H21-45 e ka hlomella ka enjene ea phetoho ea bophahamo ba die set, boleng bo tla hlahisoa ke dijithale. JH21-25B, JH21-45 le mofuta o ka holimo o nang le moqomo oa ho leka-lekana. Li-valve tsa Duplex tse tsoang kantle ho naha. Sistimi ea ho tlotsa ka oli e qobellang motlakase. Silinda ea ho leka-lekanya e sebelisa sistimi ea ho tlotsa ka letsoho. Sete e le 'ngoe ea sesebelisoa sa ho foka. E laoloa ke PLC e nang le lebitso la machaba. Likonopo, matšoao, AC con