Planetary Gearbox, Slew Drive, Tracked Undercarriages manufacturer / supplier in China, offering Two-Speed Gear Reducer for AC and DC Main Spindle Drives in CNC Machine, Zf 2K250ga Planetary Two Speed Reducer with Power Max 1500rpm, Zf Gearbox Type 2K250 Gear Ratio I=4 Type Im B35 Max. 30′ Torsional Backlash Output Housing 116 mm P and so on.