This article is rated C-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Trains: Locomotives Mid‑importance Trains Portal DYK December 28, 2018 This article is within the scope of WikiProject Trains, an attempt to build a comprehensive and detailed guide to rail transport on Wikipedia. If you would like to participate, you can visit the project page, where you can join the project and/or contribute to the discussion. See also: WikiProject Trains to do list and the Trains Portal.TrainsWikipedia:WikiProject TrainsTemplate:WikiProject Trainsrail transport articles Mid This article has been rated as Mid-importance on the project's importance scale. Associated projects or task forces: /  This article is supported by the Locomotives task force. This article lacks sufficient references and/or adequate inline citations.

Pennsylvania Railroad class M1 was a good article, but it was removed from the list as it no longer met the good article criteria at the time. There are suggestions below for improving the article. If you can improve it, please do; it may then be renominated. Review: May 23, 2007.

This article has been delisted for failure to meet current GA criteria. Once the article has been brought up to standards, it may be renominated at WP:GAC. If you have any questions regarding this delisting, feel free to leave a message on my talk page. Additionally, if you feel this delisting was made in error, you may request remediation at WP:GA/R. Regards, LaraLove ^T/ _C 05:10, 23 May 2007 (UTC) reply