3 tons of narrow-gauge frame wire and mining electric car 
 New models: CJY3 / 6,7,9 G250 
 The original model ZK3-6, 7,9 / 250 electric locomotive main technical parameters 
 Project Name Unit Value 
 A gauge mm 600 762 900 
 2 width mm 920 1062 1220 
 3 length mm, 2700 
 4 height mm 1500 
 5 Wheelbase mm, 816 
 Sticky t 3 
 7 voltage V-250 
 Eight hours system current 58 
 9 power (KW) 12.2 
 10 radius of curvature mm, 5700 
 11 continuous speed km / h 12 
 ZK3-6, 7,9 / 250 type main transport roadway in a mine and different sections of the transport tunnel to transport mineral equipment, personnel and shunting, this type of motor vehicle is not explosion-proof it applies only to the general metal mine or a coal mine explosion hazard.