The CHN 13 coupler is similar to Type E coupler. To meet varied service equipment arrangement needs, we can design different CHN 13 couplers with variant compatible shank and special features or fittings. The coupler and gear system also can be equipped with other draft gears by changing follower and yoke.
 Our AAR couplers are furnished with bodies, knuckles, and locks of quenched and tempered grade E steel, which are high strength structure, reliable safety performance, and high interchangeability. AAR standard coupler mainly includes type E, type F, type FR and type EF. Except type F coupler and type FR coupler are equipped with primary anti-creep mechanism to prevent disengagement, the new-built type E and type EF couplers have the anti-creep mechanism design too.