Train Parts Coupler Knuckle
The coupler knuckle is the pivotal interlocking part of railway freight wagon automatic coupler.
It realizes automatic connection between adjacent wagons, bears traction and longitudinal impact force, works together with knuckle pin and coupler lock, widely applied for all heavy haul freight rolling stock.




Contact: Miss. Loni Liu
Phone: 18523923770
E-mail: loni@hcrail.com
Whatsapp:+85246590284
Add: Chongqing city
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