Jelaskan Locomotive fleet dari MBTA Commuter Rail

, the MBTA owned 110 locomotives. Of these, 86 were in active passenger service and two used for work service. Thirteen were undergoing rebuild, five awaiting repairs, and four retired and awaiting disposition. All passenger locomotives are equipped with head end power. Rebuilding of 37 F40PH-2C and F40PHM-2C locomotives to F40PH-3C class by MotivePower (MPI) began in 2017; other older locomotives are also being rebuilt by MPI or in-house.