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1.Product Description 
20T overhead trolley line electric locomotive is specially designed for large-scale mine,include downhole and outdoors two types. 
Include single-motor traction and double-motor traction,speed regulation involved in resistance,IGBT and frequency conversion three modes. 
Adopt V-shape rubber spring for supporting,braking modes include mechanical braking,electric braking and air braking. 
Double-motor traction electric locomotive featuring application of PLC controller,synchronous control by multicore shielding cable. 

2.Product Feature 
Outdoor electric locomotive featuring enclosed cab structure,spacious internal space,elaborate appearance,reliable performance,large traction force and high speed etc.. 

3.Product Specification/Models 
Model:CJY20/7,9G(B) 
Adhesive Weight(t):20 
Track Gauge(mm):762,900 
Traction(kN):39.2 
Max. Traction(kN):49 
Speed(km/h):13.2 
Voltage(V):550 
Power(kW):78*2        85*2 
Length(mm):6840,7300 
Width(mm):1600 
Height(mm):1900 
Wheelbase(mm):2500.2700 
Wheel Diameter(mm):840 
Min.Turning Radius(m):22,25 
Controller:Resistance,IGBT,Frequency conversion 
Brake:Mechanical,Electric or Air 

4.Application 
large-scale mine:include downhole and outdoors two types. 

5.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.