NH 4-6-4 with the Yankee Clipper By Angela Cotey | August 21, 2024 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Streamlined class I-5 Hudson 1406 accelerates the 15 cars of the New Haven’s westbound Yankee Clipper away from New London, Conn., in March 1947. Kent W. Cochrane photo