减速比：1：3-1：1800以下为部分型号：GV18-75-5SGV18-75-10SGV18-75-15SGV18-75-20SGV18-75-50SGV18-75-60SGV18-75-100SGV22-75-200SGH18-100-3SGV18-100-5SGV18-100-10SGV18-100-20SGV18-100-50SGV22-100-60SGV22-100-80SGV22-100-100SGV22-100-150SGV22-100-180SGV22-100-200SGV28-100-1800SGV18-200-3SGV18-200-5SGV18-200-10SGV22-200-15SGV22-200-20SGV22-200-30SGV22-200-40SGV22-200-60SGV22-200-90SGV28-200-100SGV28-200-150SGV28-200-200SGV32-200-300SGV32-200-500SGV32-200-1800SGV22-400-3SGV22-400-5SGV22-400-7.5SGV22-400-10SGV28-400-15SGV28-400-20SGV28-400-25SGV28-400-30SGV28-400-40SGV28-400-50SGV28-400-60SGV28-400-80SGV32-400-100SGV32-400-145SGV32-400-150SGV32-400-200SGV40-400-500SGV40-400-1800SGV40-400-1500SGV28-750-3SGV28-750-5SGV28-750-10SGV28-750-15SGV28-750-20SGV28-750-S5SGV32-750-30SGV32-750-50SGV32-750-60SGV32-750-100SGV40-750-125SGV40-750-150SGV40-750-180SGV40-750-200SGV50-750-300GV50-750-500SGV50-750-1000SGV50-750-1500SGV50-750-1800SGV32-1500-3SGV32-1500-5SGV32-1500-7.5SGV32-1500-10SGV32-1500-15SGV32-1500-20SGV32-1500-25SGV40-1500-30SGV40-1500-40SGV40-1500-50SGV40-1500-60SGV32-1500-80SGV40-1500-100SGV40-1500-120SGV50-1500-125SGV50-1500-150SGV50-1500-180SGV50-1500-200SGV40-2200-3SGV40-2200-5SGV40-2200-7.5SGV40-2200-10SGV40-2200-15SGV40-2200-20SGV40-2200-25SGV40-2200-30SGV40-2200-40SGV40-2200-50SGV40-2200-60SGV50-2200-100SGV50-2200-125SGH18-75-50SGH18-75-60SGH18-75-100SGH22-75-200SGH18-100-3SGH18-100-5SGH18-100-10SGH18-100-20SGH18-100-50SGH22-100-60SGH22-100-80SGH22-100-100SGH22-100-150SGH22-100-180SGH22-100-200SGH28-100-1800SGH18-2003SGH18-200-5SGH18-200-10SGH22-200-15SGH22-200-20SGH22-200-30SGH22-200-40SGH22-200-60SGH22-200-90SGH28-200-100SGH28-200-150SGH28-200-200SGH32-200-300SGH32-200-500SGH32-200-1800S