DIESEL ROLLING STOCK (as on 01-07-2021) The Diesel traction wing under the control of PCEE deals with maintenance & repair of ALCO/HHP Diesel and Electric locomotives.
Diesel Locomotive Holding (as on 01.07.2021):
| Type of loco | DKZJ (KZJ) | DLGY (GY) | DGTL (GTL) | DMLV (MLY) | DLVW (BZA) | SCR (Total) | | WDM3A | 11 | 6 | 21 | 15 | | 53 | | WDM3D | | 14 | 33 | | | 47 | | WDM3F | | 4 | | | | 4 | | WDG3A | 12 | 5 | 25 | 56 | 18 | 116 | | WDG4 | 69 | 101 | | | | 170 | | WDG4D | 65 | 12 | | | | 77 | | WDP4D | | 40 | | | | 40 | | WDS6 | | | 3 | | 5 | 8 | | Total | 157 | 182 | 82 | 71 | 23 | 515* |
*including 35 locos kept under GRS.
| Year | WDG4D | WDS6 | Total | | KZJ | GY | MLY | BZA | | 2017-18 | 9 | 6 | 3* | 1 | 19 | | 2018-19 | 10 | - | - | - | 10 | | 2019-20 | - | - | - | - | - | | 2020-21 | - | - | - | - | - | | 2021-22 (01.07.21) | - | - | - | - | - |
*3 WDS6 locos transferred to DLS/GTL.
Diesel loco shed, Kazipet (DLS/KZJ): Diesel loco shed, Kazipet was established to maintain 100 Diesel Locos with berthing capacity of 20 locos. This shed was commissioned by Shri. P.N.Kaul, GM/SCR on 21.04.1973. Apart from GY diesel shed, KZJ diesel shed is the second shed to maintain HHP locos. Diesel loco shed, Kazipet has started holding of electric locomotives (WAG-7 type) since Feb-2019. Shed is also maintaining 140T BD cranes of KZJ & PAU and SPART & SPMRV of KZJ. Area: 75,100 sq.mts. Covered area: 15,262 sq.mts. https://scr.indianrailways.gov.in//view_section.jsp?id=0,1,291,357,950,951 Diesel loco shed, Gooty (DLS/GY): Diesel Loco Shed, Gooty was originally a Steam shed prior to 1963 later converted as Diesel shed with steady inception of diesel locos vice steam locos. The converted diesel shed was inaugurated by H.D.Singh, GM/SR on 05.12.1963. Gooty shed is the first diesel shed in SCR to maintain EMD type HHP diesel locos and further started maintaining WAG9 three phase Electric locos since Oct’2018. Shed is also maintaining 140T BD crane of GY. Area: 2,40,990 sq.mts. Covered area:19,991sq.mts. https://scr.indianrailways.gov.in/view_section.jsp?lang=0&id=0,1,291,353,1280,2417,2418 Diesel loco shed, Guntakal (DLS/GTL): Diesel Loco Shed Guntakal was commissioned on 30.08.1964 and was inaugurated by Shri.H.D.Singh, GM/SR, with a view to maintain MG diesel locomotives. Initially 11 YDM4/4A MG locos imported from M/s MLW/Canada were maintained.This shed was converted to BG shed as part of uni-gauge project on 18.10.1995. GTL shed is maintaining BG ALCO diesel locomotives and staff of diesel shed are also maintaining electric locomotives since December, 2018 in the new electric loco shed constructed adjoining of diesel shed. Shed is also maintaining SPMRV of GTL. Area: 82,100 sq.mts. Covered area: 9,225 sq.mts.. https://scr.indianrailways.gov.in/view_section.jsp?lang=0&id=0,1,291,353,1280,2417,2419 Diesel loco shed, Moula-Ali: Diesel Loco Shed, Moula-Ali was established in the year 1984 to maintain YDM1R, YDM2 type MG locomotives, BG shunting diesel hydraulic locomotives. The activities of the shed had got expanded and started maintaining DHMU rakes, and WDM2 main line locos. Further shed started maintenance of WDM3A,WDG3A mainline locos and DEMU rakes. Shed is also maintaining ARTs- SPART &SPMRV of SC, NZB, PAU and 140 T BD crane of SC Division. Area: 1,12,500 sq.mts. Covered area: 18,000 sq.mts https://scr.indianrailways.gov.in/view_section.jsp?lang=0&id=0,1,516,703 Diesel loco shed, Vijayawada(DLS/BZA): Diesel Loco Shed, Vijayawada was established in the year 1979 to maintain Shunting locomotives. Further shed activities expanded and started maintaining WDP1/WDG3A mainline locos and DEMU rakes. Shed is also maintaining ARTs- 140 T BD crane of BZA, SPART and SPMRV of BTTR, RJY & GNT. Area: 27,000sq.mts. Covered area: 20,879sq.mts https://scr.indianrailways.gov.in/view_section.jsp?lang=0&id=0,1,291,358,1067,1221 Maintenance of Electric Locos in Diesel Loco Sheds:
With progressive Railway Electrification over Indian Railways the fleet of electric locomotives is increasing and at the same time gradual phasing of Diesel locos is taking place. As per Rly. Board policy, infrastructure facilities available in diesel sheds are to be utilized for maintenance of Electric locos with necessary inputs.
In connection with above, following diesel sheds are maintaining Electric locomotives as given.
| DSL Shed | Present Holding | Commenced from | | DSL/GTL | 80 WAG7 | DEC’2018 | | DSL/KZJ | 70 WAG7 | FEB’2019 | | DSL/GY | 30 WAG9 | OCT’2018 | | Total | 180 locos | |
Activities
Following activities are carried out at Diesel Loco Sheds:
Maintenance of ALCO, HHP and shunting Diesel Locos. Maintenance of Electric Locos- DLS/KZJ, GY & EGTL. Maintenance of DEMU rakes at DLS/MLY & BZA. Maintenance of Rail bus by DLS/BZA. Maintenance of ARTs. Maintenance of Tower Cars (TOH) by DLS/GTL.
SCR Performance during the year 2021-22 (up to June’21):
Goods Outage (Ownership)
| Year | Target | Actual | % Imp | | 2019-20 | 308.13 | 312.53 | 1.43 | | 2020-21 | As per traffic requirement | 238.19 | Maintained the requirement | | 2021-22 (Up to June’21) | 267.47 | 276.04 | 3.19 |
*Due to covid -19 pandemic in 2020-21 diesel utilization was less. Statistical Ineffective percentage:
| Year | Target | Actual | % Imp | | 2019-20 | 7.9 | 5.5 | 30.3 | | 2020-21 | 7.7 | 7.6 | 0.13 | | 2021-22 (Up to June’21) | 7.57 | 4.61 | 39.1 |
Equipment failures on ownership basis:
| Year | Failures | | 2019-20 | 353 | | 2020-21 | 141 | | 2019-20 (up to June) | 105 | | 2020-21 (up to June) | 14 | | 2021-22 (up to June) | 62 |
Punctuality on ownership basis:
| Year | Incidences | | 2019-20 | 185 | | 2020-21 | 14 | | 2019-20 (up to June) | 51 | | 2020-21 (up to June) | 0 | | 2021-22(up to June) | 2 |
Auxiliary Power Unit(APU): APU (Auxiliary Power Unit) is a simple device consisting of Small Diesel Engine, Compressor and 3 Phase Alternator. Statistics reveal that 50% of the run time of a goods train is idling that consumes considerable fuel and unwarranted, resulting in undesirable emissions. To avoid this, APU has been installed on diesel locomotives to maintain vital operational parameter of Locomotive i.e.MR pressure, Battery Voltage etc. and to facilitate shutdown of Main Engine so as to effect concomitant fuel savings. APU system saves approximately 14litres per hour by avoiding idling of main-engine. APU utilization is monitored on daily basis by means of REMMLOT, as a result APU utilization has been improved from27% in April'19 to 56% in Jun'21, resulting in fuel saving of 22.25 Lakh kL and achieved Rs. 16.2 Cr so far. Total APU population is 140. Remote Monitoring of Locomotive and Trains system(REMMLOT): Remote Monitoring of Locomotive and Trains(REMMLOT)is a system that provides the locomotive health and performance online which improves effective operation and maintenance of locomotive. REMMLOT facilitates formation includes locomotive location, operational parameters, health status, fuel level data, fault logs related information, life-time counters and event recorder data. Automatic alerts of critical faults can be received to respective sheds. Out of 515 Diesel locomotives, 336 locos are provided with REMMLOT. Distributed Power Control System (DPCS):
DPCS allows multiple locomotives to be used at different locations over entire train consist. Such a system leverages the existing rolling stock and allows much longer trains to be run by minor up gradationof the locomotives. Simultaneous repetition & execution of commands, given by “Master” locomotive to “Remote” locomotiveby a wireless link(RF communication), such as traction, braking, dynamic braking or any other functions performedby the loco pilot of the master unit and duplicated (transmitted) in “Remote” units.
At present, 37WDG4/WDG4D locos are fitted with DPCS. 4. Train Collision Avoidance System(TCAS):
Train Collision Avoidance System (TCAS) is an indigenously developed Automatic Train Protection (ATP) system meant to provide protection to trains against Signal Passing at Danger (SPAD), excessive speed and collisions. TCAS provides continuous update of Movement Authority (distance up to which the train is permitted to travel without danger).
Hence during unsafe situations when brake application is necessitated, and the crew has either failed to do so, or is not in position to do so, automatic brake application shall take place. TCAS has additional features to display information like speed, location, distance to signal ahead, Signal aspects etc. in loco Pilot’s cab and generation of Auto and Manual SOS messages (Distress messages) from Loco as well as Station unit in case of emergency situation.
At present, 18 Diesel locos are fitted with TCAS.
Source : South Central Railway CMS Team Last Reviewed : 28-09-2021 
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