Patiala Locomotive Works
TypeIndian Railways production unit
IndustryElectric locomotive
PredecessorDiesel-Loco Modernization Works
FoundedOctober 24, 1981 (1981-10-24)[1]
Headquarters
Patiala, Punjab
,
India
Area served
India
Key people
Pramod Kumar (Principal Chief Administrative Officer)[2][3]
ProductsWAP-7
WAG-9
8-Wheeled Diesel Electric Tower Car (8-W DETC)
Production output
198 units (2022-23)[4]
  • WAP-7 and WAG-9: 198
  • 8-W DETC: 55
OwnerIndian Railways
Number of employees
3000+[5] (2023)
Websiteplw.indianrailways.gov.in

Patiala Locomotive Works (PLW) (formerly Diesel Loco Modernization Works (DMW)) is a production unit of the Indian Railways located at Patiala in the Indian state of Punjab. It was set up in the year 1981 as "Diesel Component Works" (DCW) to meet the demand of maintaining the Railway's diesel locomotives.[5] Currently, it has the job of manufacturing new WAP-7 and WAG-9 electric locomotives along with 8-wheeled diesel electric tower cars (8-W DETCs), and upgrading and rehabilitating old locomotives. It also extends maintenance support to the Railways by providing high precision components and sub-assemblies.[1]

Services

  • Manufacturing and supply of high-quality components and sub-assemblies as spares
  • Manufacturing of components hitherto imported, leading to import substitution and timely availability
  • Remanufacturing of critical assemblies for the unit exchange system of the railway's diesel locomotive maintenance system
  • Rebuilding locomotives and power packs, and retrofitting locomotives with systems that incorporate the latest technological developments
  • Manufacturing WAP-7 (starting from number 39***) and WAG-9 locomotives

Products

Key:

   Loco currently in production

The designation of the locomotives follows the nomenclature in Indian Railways. Prototypes and individual vehicles are not listed.

Electric locomotives

Name Wheel

Arr

 Built year(s) Power Current Status
WAP-7 Co-Co 2000–present 6350 HP In service
WAG-9 Co-Co[6] 1996–present 6125 HP In service

See also

References

  1. 1 2 "Introduction - Patiala Locomotive Works" (PDF). cag.gov.in. PLW. 15 September 2020. Retrieved 26 November 2023.
  2. ↑ "Organisation Structure". plw.indianrailways.gov.in. PLW. 9 November 2023. Retrieved 26 November 2023.
  3. ↑ "Patiala Locomotive Works, Patiala - Annual Report 2022-23" (PDF). plw.indianrailways.gov.in. p. 3. Retrieved 26 November 2023.
  4. ↑ "Production of PLW over the years". plw.indianrailways.gov.in. PLW. 9 June 2023. Retrieved 26 November 2023.
  5. 1 2 "About PLW". plw.indianrailways.gov.in. PLW. 7 April 2023. Retrieved 26 November 2023.
  6. ↑ "GTO to IGBT Upgrade - WAG-9 Co-Co". cafpower.com. CAF Power & Automation. Retrieved 1 April 2021.


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