GO Transit, the interregional public transit system in Southern Ontario, has a number of various road and rail vehicles. This includes 90 locomotives, 979 train coaches, and 752 buses.
GO Transit rail services
The vast majority of GO Transit's active locomotive fleet consists of MP40PH-3C diesel-electric locomotives manufactured by MotivePower in Boise, Idaho. These replaced most of the older EMD F59PH over a 4-year transition program from 2008 to 2011. The new MP40 locomotives are significantly more powerful with 4000 bhp vs the F59's 3000 bhp, and their greater Head End Power capacity allows them to handle 12 coach trains instead of 10.
In 2011, GO Transit ordered 11 MPI MP54AC locomotives, to be rebuilt from existing units, followed by an order for 10 new build locomotives. MP40PH-3C unit 647 was sent back to Boise for conversion with a Cummins QSK-95 diesel engine into an MP54 in 2012, and was completed in 2015 (although dual