Boston Gear 309B-10-G Speed Reducer. The item "Boston Gear 309B-10-G Speed Reducer" is in sale since Thursday, April 26, 2018. This item is in the category "Business & Industrial\Automation, Motors & Drives\Mechanical Power Transmission\Gearboxes & Speed Reducers". The seller is "maricame_5" and is located in Winder, Georgia. This item can be shipped to United States, Canada, United Kingdom, Romania, Australia, Japan, China, France, Spain, Italy, Germany, Austria.