Metrolink's railcar and locomotive fleet are largely based on GO Transit-designed F59PH locomotives and Bombardier Bi-level cars. Metrolink also owns 1 F40PH, 4 F59PHIs, 5 F59PHRs (a MPI rebuilt F59PH), and 15 MPI MP36PH-3Cs. On present are 40 EMD F125s.