List of manufacturers of Locomotives used in Indian Railways
1. Banaras locomotive work (BLW)
Formerly known as DLW(Diesel loco works) Varanasi.
Early Build locos Alco locomtoives WDM/WDG, WDP 1 /WDP 3A and EMD Locos
And Meter Gauge Diesel locos YDM 4- fleet
Now it manufactures Electric locos WAP 4 and on going production WAP 7
2. Chittaranjan Locomotive works (CLW) in West Bengal, mainly manufactures WAP 4/WAP 5/WAP 7, and Goods loco WAG 5/WAG 7 and WAM 4
Several Narrow Gauge locomotives like , ZDM 3, ZDM 4 and ZDM 6
3. Patiala Locomotive Works (PLW), Punjab
Manufactures electric locomotives and also rebuilds older locomotive, known for spare parts. PLW loco works build new Wap 7 also
4. Bharat heavy electricals Limited
BHEL Jhansi Plant
This loco factory manufactures and assembles electric locomotives, including WAG-9 variants for Indian Railways.
⭐Private and joint venture manufacturers
5. Alstom India
locomotive factory in Madhepura Bihar
Manufactures Twin Loco WAG 12 (12000 Horse power)
6. WABTEC (formerly GE Transportation)
Mainly manufacturers evolution series of diesel freight locomotives at Marhowrah, Bihar
Locomotives like WDG 4G, WDG 5, WDG 6G
7. Siemens Mobility
Siemens Mobility designs locos like New WAG D9 Freight Electric loco and built at Dahod locomotive factory in Gujarat.
8. Suri and Nayar (SAN) Engineering & Locomotive Co.
Narrow gauges diesel Loco NDM 6 is manufactured by (SAN) in 1997, Bangalore.
This class of loco was first used on the Neral-Matheran narrow-gauge route.