Canadians swipe C&NW Bi-Levels when nobody is looking..... - Trains Magazine

They were leased as GO explored the possibility of using bi level cars, which ultimately led to the development of the now ubiquitous octagonal Bombardier coaches.

I thought CN and GO used a different HEP system than the American operators, I wonder what modifications were needed for the GP40TC to power them?

Regardless, the Detroit 12v149 HEP genset in those must have sounded awesome.