... negative planted or machine, the machine reversal reliable performance and can accurately rotation, no both recoil.2.variable speed ... parts, good lubrication of polishing, smooth operation, low noise and long life.5.Coaxial structure: input shaft, output shaft ... , MB07, MB15, MB22, MB40, MB55, MB75 MB speed variator lubricating and replacement:1, MB transmission gearbox, please choose (Ub - 1) or ...