Company type | Electric locomotive production unit |
---|---|
Industry | Electric locomotive |
Predecessor | Diesel-Loco Modernization Works |
Founded | 24 October 1981 [1] |
Headquarters | , India |
Area served | India |
Products | WAP-7 WAG-9 8-Wheeled Diesel Electric Tower Car (DETC) |
Production output | 198 units (2022-23) [2]
|
Owner | Indian Railways |
Number of employees | 3000+ [3] (2023) |
Website | plw |
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. [3] 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]
Key:
The designation of the locomotives follows the nomenclature in Indian Railways. Prototypes and individual vehicles are not listed.
Name | Wheel | Built year(s) | Power | Current Status |
---|---|---|---|---|
WAP-7 | Co-Co | 2000–present | 6350 HP | In service |
WAG-9 | Co-Co [4] | 1996–present | 6125 HP | In service |
The Banaras Locomotive Works (BLW), formerly Diesel Locomotive Works (DLW), is a production unit of Indian Railways situated in Varanasi, Uttar Pradesh.
The Indian locomotive class WAP-7 is a class of 25 kV AC electric locomotives that was developed in 1999 by Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) locomotive, 7th generation (7). They entered service in 2000. A total of 1676 WAP-7 have been built, with more units being built at CLW, Banaras Locomotive Works (BLW) and Patiala Locomotive Works (PLW).
Chittaranjan Locomotive Works (CLW) is an electric locomotive manufacturer based in India. The works are located at Chittaranjan in the Asansol Sadar subdivision of West Bengal, with an ancillary unit in Dankuni. The main unit is 32 km from Asansol and 237 km from Kolkata. CLW has stores and offices in Kolkata, as well as inspection cells in New Delhi, Mumbai, Kolkata, and Bangalore. It is the largest locomotive manufacturer unit in the world, producing 431 locomotives in 2019–20.
Rail Wheel Factory, Yelahanka (RWF) is a manufacturing unit of Indian Railways, producing wheels, axles and wheel sets of railroad wagons, coaches and locomotives for the use of Indian Railways and overseas customers is situated at Yelahanka, Bangalore in the Indian state of Karnataka.
The Rail Coach Factory at Kapurthala is a coach manufacturing unit of the Indian Railways in the Indian state of Punjab. It was set up in the year 1985 with an investment of ₹423 crore (US$51 million) in order to enhance production capacity for India's railways and generate employment for the youth of the state. The unit is located on the Jalandhar-Firozpur railway line, and currently, has the job of manufacturing new LHB and MEMU coaches.
The Indian locomotive class WAP-4 is a class of 25 kV AC electric locomotives that was developed in 1993 by Chittaranjan Locomotive Works for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) locomotive, 4th generation (4). They entered service in late 1994. A total of 778 WAP-4 were built at CLW between 1993 and 2015, which made them the most numerous class of mainline electric passenger locomotive until the WAP-7.
The Indian locomotive class WAG-9 is a class of 25 kV AC electric locomotives that was developed in 1995 by ABB for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Goods traffic (G), 9th generation (9) locomotive. They entered service in 1996. A total of 5140 WAG-9 have been built at Chittaranjan Locomotive Works (CLW), with more units being built at Banaras Locomotive Works (BLW), Bharat Heavy Electricals Limited (BHEL) and Patiala Locomotive Works (PLW). It was the most powerful freight locomotive of its fleet until the formal introduction of the WAG-12.
The Vaigai Express is an Intercity Express high-speed express train which runs daily between Madurai and Chennai, via Tiruchirappalli. It is operated by the Southern Railway zone of the Indian Railways and was introduced due to increasing demand for a day train between the cities during the 1970s. It was the first instance in which a high-speed train was introduced on a metre-gauge railway within the Southern Railway zone. Vaigai SuperFast is fondly referred to as the "King of Southern Railway"; and its rake sharer Pallavan Express "Prince of Southern Railway" running between Chennai Egmore and Karaikudi Junction are collectively known as the "Chord Line brothers".
Modern Coach Factory, Raebareli or MCF Raebareli is a rail coach manufacturing unit of the Indian Railways at Lalganj near Raebareli in Uttar Pradesh. The factory is one of the coach production unit of Indian Railways besides the Integral Coach Factory at Perambur, Chennai in Tamil Nadu, Rail Coach Factory at Kapurthala in Punjab, Marathwada Rail Coach Factory in Latur, Maharashtra and Rail Coach Factory at Sonipat, Haryana. The factory was inaugurated on 7 November 2012. MCF Raebareli is one of the most advanced coach manufacturing unit of the world it is equipped with the many state of the art industrial robots and machines, on result making it require less manpower than other coach manufacturing units of Indian Railways.
The Chennai Central – Bangalore City line is an electrified railway double line which connects Chennai and Bengaluru, the two largest cities in South India. It is officially known as Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station–Krantivira Sangolli Rayanna line, and earlier known as Madras–Bangalore line.
The Indian locomotive class WDM-3A is a class of diesel–electric locomotive that was developed in 1993 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, with 3300 horsepower (3A). The WDM-3A is a later classification of earlier WDM-2C. They entered service in 1994. A total of 143+ were built at ALCO and Banaras Locomotive Works between 1994 and 2003 with rest of the 1246 units being rebuilt from WDM-2 which made them the most numerous class of mainline diesel locomotive until the WDG-4.
The Electric Locomotive Factory, Madhepura is a joint venture of Alstom SA of France with Indian Railways for the production of 800 high-power locomotives over a period of 11 years designed to run on Indian tracks at 120 km/h (75 mph). The manufacturing has started on 11 October 2017.
Diesel Loco Shed, Ernakulam (Code:ERSX) is a motive power depot performing locomotive maintenance and repair facility for diesel locomotives of the Indian Railways, located at Ernakulam Junction (ERS) of the Southern Railway zone in the city of Kochi, Kerala. It is one of the four diesel loco sheds of the Southern Railway, the others being at Tondiarpet (TNP) at Chennai, Erode (ED) and Golden Rock (GOC) at Trichy and the only locomotive shed in Kerala and the southernmost loco shed in India. Although it is in Kerala, its locomotives were mainly used in Goa and Maharashtra, and very rarely near the shed for passenger trains.
The Diesel Locomotive Factory, Marhowrah is a joint venture of GE Transportation, part of American company Wabtec, with Indian Railways for the production of 1000 high-power freight locomotives over a period of 10 years designed to run on Indian railway tracks. This factory is located at Marhaura and started manufacturing the locomotives from September 2018.
The Indian locomotive class WAP-1 is a class of 25 kV AC electric locomotives that was developed in 1980 by Chittaranjan Locomotive Works for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) locomotive, 1st generation (1). They entered service in late 1981. A total of 65 WAP-1 were built at CLW between 1980 and 1996, which made them the most numerous class of mainline electric passenger locomotive until its successor, the WAP-4.
The Indian locomotive class WDG-3A is a class of diesel-electric locomotive that was developed in 1994 by Banaras Locomotive Works (BLW),Varanasi for Indian Railways. The model name stands for broad-gauge (W), Diesel (D), Goods traffic (G) engine, 3,100 hp (3A) locomotive. They entered service on 18 July 1995. A total of 1,164 WDG-3A units were built between 1994 and 2015 at BLW, Varanasi with a few units being produced by Diesel Loco Modernisation Works (DLMW) and Parel Workshop.
Electric Loco Shed, Arakkonam is a motive power depot performing locomotive maintenance and repair facility for electric locomotives of the Indian Railways, located at Arrakkonam on the Guntakal–Chennai Egmore section of the Southern Railway zone in Tamil Nadu, India. It is one of the three electric locomotive sheds of the Southern Railway, the others being at Erode (ED) and Royapuram (RPM) and is the oldest in south India.
The WDM-2G is a class of diesel electric genset locomotive used in Indian Railways. It is one of the rarest locomotives in India with only two units being produced by Patiala Locomotive Works (PLW). The locomotives were produced with an intention of being fuel efficient and to be used for light to medium duties such as short passenger runs along with occasional shunting. They are one of the only two classes of locomotives in India to feature multiple prime movers, the other example being WDS-6G, which was designed solely for shunting. They have a rated power of 2,400 HP.
The Indian locomotive class WAG-1 was a class of 25 kV AC electric locomotives that was imported from Europe in the 1960s for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Goods traffic (G) locomotive, 1st generation (1). A total of 112 WAG-1 were built by The European Group 50 Hz Group/European Group/50 Cycles Group (consortium) between 1963 and 1966. They entered service in 1964.