The mechanical branch of SBC division is headed by Senior Divisional Mechanical Engineer, an IRSME Group A officer. The branch caters to maintenance of types of rolling stock and disaster management. The branch has two major coach maintenance depots (SBC & YPR), one minor coaching depot (SMVB), a MEMU shed (BAND), a DEMU shed (BNC) and a freight maintenance depot (WFD).
The coaching depots collectively have a holding of 1643 coaches and have 48 primary maintained trains, 15 Secondary maintained trains and 56 PFTR trains. The suburban depot has a holding of 48 units of MEMU cars and 75 DEMU cars. The freight depot has a holding of 10 closed circuit rakes of 450 BLC/BLL wagons. The brach is also equipped with an A’ Class ART with 140T crane, Self-Propelled Accident Relief Medical Van (SPARMV) scale-1 for disaster management and a Self-Propelled Inspection Car (SPIC), RA’s for movement of officers.