- Baldwin Locomotive Works
- United States (Philadelphia)
The worlds most powerful steam locomotive, measured by tractive effort, was No. 700, a triple-articulated or triplex six-cylinder 2–8–8–8–4 tank engine built by the Baldwin Locomotive Works in 1916 for the Virginian Railway, USA. It had a tractive force of 75,433kg 166,300lb when working compound and 90,519kg 199,560lb when working simple.