JSDB-25 two-speed winch JSDB25 two-speed winch use JSDB-25 dual-speed multi-purpose winch, mine JSDB-25 winch JSDB-25 dual-speed winch, it wide application, to achieve fast and slow two speeds slow replace the existing winch and slow winch speed, its rapid replace the existing scheduling winch and transport winch. JSDB25 (55KW) Two-speed multi-purpose winch parameters: Model: JSDB-25 (55KW) slow outer layer the maximum tension KN: the 250 slow inner layer maximum static tension KN: the 390 the slow average static tension KN: 320 Slow transmission ratio : 238.88 slow average the rope speed m / s: 0.168 fast outer layer maximum static tension KN: 30 fast transmission ratio: 34.81 fast outer layer maximum rope speed m / s: 1.51 Reel Diameter (mm): φ545 reel width mm: 770 drum rope capacity m: the 500 rope diameter (mm): 30 Wire Rope structure: 6 x 19 wire rope public that the tensile strength Mpa: 1670 Motor model: YBK2 280M-6 motor power KW: 55 motor speed r / min: 990 Dimensions mm: 3865 * 1274 * 1187 working brake: liquid BYWZ3-400/90 safe braking gate: manual Weight Kg: 7400