24kg/m Manual Operation Retarder 1. type of the engine: pneumatic, manual,electric 2.The ... gauge of car arrester: 600mm,760mm 24kg/m Manual Operation Retarder rail bender/ hydraulic rail bender/ manual rail bender/horizontal rail ... bender, rail track jack, and etc.24kg/m Manual Operation Retarder technical parameters: Itemless than 24kg/m rails30kg/m railMore than ...