Type KM70 (KM70H) hopper wagon for delivering coal is composed of wagon body, opening and closing under door device, air pipeline, brake device, coupler and draft gear etc. The wagon body is full steel welded. It consists of under frame, side wall, end wall, hopper, under door, side door, escalator and pull-rod, etc. Brake device adopts type 120 control valve, spinning sealed brake cylinder of 305×254, ST2-250 brake block slack adjuster, Type KZW-A empty and load changeover valve, automatic braking device for derailed train. coupler and draft gear equip with #17 coupler and MT-2 draft gear. The hopper wagon adopts Type K5 or K6 bogie.
Main technical data:
Tare weight ≤23.8t
Payload 70t
Volume 75m3
Axle load 23t
Length between Truck centers 10500mm
Length of wagon 14400mm
Commercial operating speed 120km/h
Min. radius of curvature negotiated 145m
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