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1.Product Description 
Power supply DC 250V and DC 550V,double-motor traction,one-stage gear drive. 
Controller includes resistance cam step speed regulation and ZBT chopped wave stepless intelligent speed regulation. 

2.Product Feature 
Large traction force,stable operation,powerful and reliable braking. 

3.Product Specification/Models 
Model:CJY7/6,7,9G(B) 
Adhesive Weight(t):7 
Track Gauge(mm):600,762,900 
Traction(kN):13.05:15.09 
Max.Traction(kN):17.2 
Speed(km/h):11 
Voltage(V):250        550 
Power(kW):21*2        24*2 
Length(mm):4550 
Width(mm):1050,1212,1350 
Height(mm):1600 
Wheelbase(mm):1100 
Wheel Diameter(mm):680 
Min.Turning Radius(m):7 
Controller:Resistance,IGBT,Frequency conversion 
Brake:Mechanical or Electric 

4.Other Information 
Experienced technicians guidance is available on the phone and on the internet. One or more engineers will be dispatched to the quarry site to help install the customers' plants. 
Necessary training about machine daily maintenance to local workers is provided also.