Box type gantry crane (customized accepted) > They are used together with CD MD model electric hoist or what you need. > Lifting capacity is 5 to 100 ton. > Span is 10 to 40 meters. > Working temperature is -20°C â?? +40°C. > Light dead weight and strong lifting weight. > Widely used at open or room ground, warehouses and yards etc. > Ground controlling and cabin controlling. >>Parameters of Overhead Crane Capacity(T) 1,2,3,5,10 16,20 Span (M) 7.5-31.5 Crane travel mechanism Travel speed (m/min) 20 30 45 60 75 20 30 45 60 75 Reducer ratio 58.78 38.38 26.36 19.37 15.88 58.78 38.38 26.36 19.37 15.88 Motor Model ZDY21-4 ZDY21-4 ZDY122-4 ZDY131S-4 ZDY112L1-4 Power(kw) 2*0.8 2*1.5 1.5*2 2.2*2 2.2*2 Rotation(m/min) 1380 1380 Crane lift and hoist travel Electric hoist model CD1 MD1 CD1 MD1 Lift speed (m/min) 8, 0.8/8 3.5, 3.5/0.35 Lift height (m) 6,9,12,18,24,30 12,18,24,30 Travel speed (m/min) 20 (30) 20 (30) Motor Taper squirrel cage type Taper squirrel cage type Work duty A3-A5 Power supply 380v/220v/415v/50hz/60hz/3ph Wheel diameter 270mm 300/400/500/600 600mm Width of rail 37-70mm 37-70mm