PL WPL SERIES,Planetary Gearbox 1Type: 40mm---400mm 2. Ratio: 3---10,000 3. ... external shell, small volume, compact structure, output end planPlanetary Gear Box,Planetary gear reducer,Planetary reducer,gearbox,gearmotor Featurescylindrical external shell, small volume, compact ... 16,000Nm Precise backlash ≤3 arcmin Installation: random PL WPL Precision Planetary Gearbox