The best possible trio

CN 4136, CN 7025, CN 4131. Those are the GP9RMs that make up the infamous London trio. With 196 years of service between the 3 locomotives, it's safe to say these engines have pulled their fair share of cars for Canadian National. This day, they had 39 cars on the drawbar, 19 loaded, and were still able to get up to speed quickly between industries.

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