Patiala Locomotive Works

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. 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.

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 number from 39000 onwards) and WAG-9 (starting number from 41501 onwards) electric 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.