... gear reducer (I = 42-100) : 2-23.5 r/min MB speed variator part type:MB02, MB04, MB07, MB15, MB22, MB40 ... , MB55, MB75 MB speed variator lubricating and replacement:1, MB transmission gearbox, please choose (Ub - 1) or ... once, in work bad circumstances should shorten replacement period.2, MB transmission gearbox and the X3 type once of cycloid gear ...