 In 1923, the Grand Trunk was merged into the Canadian National Railway (CN) with 911 being one of the thousands of locomotives working for this new railroad.In 1951, 911 was renumbered 89.Most of 89's career on the CN is unknown; it appears that it spent the latter part of its working life in Quebec before being retired in the late 1950s and being stored in a deadline of locomotives in Montreal.