Samoa Exports of transmission shafts, cranks, bearing housings, gears, gearing, clutches to Tonga was US$7 during 2010, according to the United Nations COMTRADE database on international trade. Samoa Exports of transmission shafts, cranks, bearing housings, gears, gearing, clutches to Tonga - data, historical chart and statistics - was last updated on March of 2026.