The Bombardier HR-412, also known as the MLW HR-412, was a 4 axle, freight locomotive manufactured in Montreal, Quebec, Canada. Ten were built for Canadian National Railway in between September and November 1981, numbered 2580âÂÂ2589, and one was built for Bombardier as a demonstrator in May 1982, numbered BBD 7000. BBD 7000 was later sold to Canadian National.
The model designation stood for HR - High Reliability, 412 - 4 axles, 12 cylinder engine. The HR-412 was designed as the successor to the MLW M-420.