applications and features：1：ST700、ST710型起动机由6-Q-135或6-Q-150四个起动蓄电池，混联后供给电源，起动柴油发动机。Style st700，st710 start motor is made up with 4 storage batterys which model is 6-q-135 or 6-q-150，after which mixed connection ，it can start the diesel engine。2：ST700和ST710型起动机是带有电磁开关和单向摩擦离合器的直流串激电动机，与起动继电器，启动按钮开关及电池总开关配合，用于起动具有飞轮的柴油发动机。起动机工作于单线制网络上，另一条导线是利用电机的外壳，并使其与负极（一）相连接。起动机的旋转方向，自驱动端视；ST700型为左旋，ST710型为右旋。the start motors are DC series motors with an electromagnetic switch and an one-way friction clutch 。it can start the diesel engines with flywheel with the cooperation with starter relay and starter switch and main switch。theywork on single wire system network，the other wire makes use of the shell of it and connected with cathode 。The rotate direction is look at the drive end is that st700 is left rotate st710 is right rotate。 3：起动机的主要特性：starter motor‘s main features（1） 标称电压…………………………24V the rated voltage is 24v（2） 最大功率…………………………11KWthe rated power is 11kw（3） 最大功率时的转速………………1100r/minthe rotate’s speed when at the rated power is 1100rpm（4） 工作定额…………………………5Stime of work is 5s（5） 制动时力矩………………………187N.mthe torque when braking is 187n.m （6） 齿轮行程…………………………24±1.5mmthe trip of gears is 24±1.5mm（7） 齿轮齿数(ST700)…………………10the quantity of gears（st700） is 10(ST710)…………………11st710 is 11( 8 ) 齿轮模数……………………………4.5修正the module of gears is 4.5 with correction（9）离合器调整力矩………………236~275N.mthe adjustment brake of clutch is 236~275n.m(10) 重量…………………………………48kgthe weight is 48kg