* capacity(ton)- 20/5- 30/5- 30/10* lift height(m)- 12- 12- 12* hoisting speed(m/min)- 3.5- 4.7- 2.3- 4.7- 2.3* hoisting motor(kw/p)- 17*8- 5.5*6- 17*8- 5.5*6- 17*8* wire rope- 6*37- 6*37- 6*37- 6*37- 6*37* brake : DC magnet disc