Talk:Double shelf coupler

Clarification needed.

Which coupler has double shelves, AAR Type F or AAR TypeE? Peter Horn User talk 21:48, 6 May 2018 (UTC)

See also Tank car#Safety Peter Horn User talk 21:53, 6 May 2018 (UTC)

TypeF coupler, this will help Peter Horn User talk 01:25, 7 May 2018 (UTC)

And these [1] [2] Peter Horn User talk 01:42, 7 May 2018 (UTC)