... Lifting capacity: 0.5- 20tons Lifting Height: 6- 30mtrs match with CD1/MD1 type hoist single girder bridge ... / MD1Lifting speed (m/min)8, 0.8/8Lifting height (m)6, 9, 12, 18, 24, 30Travelling speed (m/min)20; (30 ... dutyA3- A5Power supply380V, 50Hz, 3-PhaseWheel Diameter270mmRail Surface width37- 70mm LD Model single girder bridge crane