This is a list of narrow-gauge locomotives that have been or are being operated by Indian Railways. All railways except the heritage ones are closed or under conversion/are converted to the nation-wide standard 5 ft 6 in (1,676 mm) gauge, under Project Unigauge. So narrow-gauge locomotives are operating only on the heritage routes as of 2021.
Diesel locomotive classes [1]
Name | Year | Manufacturer | Engine | Transmission | Wheels | Power(HP) | Speed(KM) | Weight(tonnes) | Starting TE (kg force) | Quantity | Serial No. |
---|---|---|---|---|---|---|---|---|---|---|---|
ZDM-1 | 1955 | Arnold Jung | MWM TRHS 518S, 145/128hp | Twin Voith hydraulic | B+B | 2×145 | 33 | 29 | 8790 | 5 | 543–547 |
ZDM-2 | 1964–1965 | Maschinenbau Kiel | Maybach V8 MD435 | Voith hydraulic | B-B | 700 (650 net) | 50 | 32 | 10560 | 25 | 123–147 |
ZDM-3 | 1970–1982, 2009–2020 [2] [3] | CLW, Parel | MaK/CLW 6M 282 A(K) | Suri hydromechanical transmission | B-B | 700 | 50 down / 32 up | 35 | 10500 | 40 | 148–167/178–187/168–177 (ex-ZDM-4) |
ZDM-4/4A | 1975–1977/1982–1990 | CLW | MaK/CLW 6M 282 A(K) | Voith hydraulic | 1-B-B-1 | 700 | 50 | 39 | 7800 | 10/39 | 4: 168–177 (later rebuilt as ZDM-3)/4A: 198–236 |
ZDM-5 | 1989+ | CLW | KCL KTA-1150L | Voith hydraulic | B-B | 450 | 50 | 23 | 41+ | 501+ | |
NDM-1 | 1955 | Arnold Jung | MWM TRHS 518S, 145/128hp | Twin Voith hydraulic | B+B | 2×145 | 33/16 | 29 | 8790 | 7 | 500–506(500, 504–506 ex-ZDM-1) |
NDM-5 | 1987–1989 | CLW | KCL KTA-1150L, 450hp | Voith hydraulic | B-B | 450 | 50 | 22 | 11 | 801–811 | |
NDM-6 | 1997 | (SAN) Engg. and Loco Co. | Kirloskar- Cummins NTA 855L | Voith hydraulic | B | 335 | 30 | 17.2 | 6 | 600–605 | |
NBM-1 | 1987 | BHEL | Battery electric | Bo-Bo | 80 | 3 | 21951+ |
Name | Produced | In Service |
---|---|---|
ZDM-3 | 70 | 23 |
ZDM-4 | 39 | 24 |
ZDM-5 | 41 | 28 |
NDM-1 | 17 | 12 |
NDM-5 | 14 | 13 |
NDM-6 | 06 | 06 |
Total locomotives in service as of October 2021 [4] | 106 |
This is a list of narrow-gauge locomotives that have been or are being operated by Indian Railways. All railways except the heritage ones are closed or under conversion/are converted to the nation-wide standard 5 ft 6 in (1,676 mm) gauge, under Project Unigauge. So narrow-gauge locomotives are operating only on the heritage routes as of 2021.
Diesel locomotive classes [1]
Name | Year | Manufacturer | Engine | Transmission | Wheels | Power(HP) | Speed(KM) | Weight(tonnes) | Starting TE (kg force) | Quantity | Serial No. |
---|---|---|---|---|---|---|---|---|---|---|---|
ZDM-1 | 1955 | Arnold Jung | MWM TRHS 518S, 145/128hp | Twin Voith hydraulic | B+B | 2×145 | 33 | 29 | 8790 | 5 | 543–547 |
ZDM-2 | 1964–1965 | Maschinenbau Kiel | Maybach V8 MD435 | Voith hydraulic | B-B | 700 (650 net) | 50 | 32 | 10560 | 25 | 123–147 |
ZDM-3 | 1970–1982, 2009–2020 [2] [3] | CLW, Parel | MaK/CLW 6M 282 A(K) | Suri hydromechanical transmission | B-B | 700 | 50 down / 32 up | 35 | 10500 | 40 | 148–167/178–187/168–177 (ex-ZDM-4) |
ZDM-4/4A | 1975–1977/1982–1990 | CLW | MaK/CLW 6M 282 A(K) | Voith hydraulic | 1-B-B-1 | 700 | 50 | 39 | 7800 | 10/39 | 4: 168–177 (later rebuilt as ZDM-3)/4A: 198–236 |
ZDM-5 | 1989+ | CLW | KCL KTA-1150L | Voith hydraulic | B-B | 450 | 50 | 23 | 41+ | 501+ | |
NDM-1 | 1955 | Arnold Jung | MWM TRHS 518S, 145/128hp | Twin Voith hydraulic | B+B | 2×145 | 33/16 | 29 | 8790 | 7 | 500–506(500, 504–506 ex-ZDM-1) |
NDM-5 | 1987–1989 | CLW | KCL KTA-1150L, 450hp | Voith hydraulic | B-B | 450 | 50 | 22 | 11 | 801–811 | |
NDM-6 | 1997 | (SAN) Engg. and Loco Co. | Kirloskar- Cummins NTA 855L | Voith hydraulic | B | 335 | 30 | 17.2 | 6 | 600–605 | |
NBM-1 | 1987 | BHEL | Battery electric | Bo-Bo | 80 | 3 | 21951+ |
Name | Produced | In Service |
---|---|---|
ZDM-3 | 70 | 23 |
ZDM-4 | 39 | 24 |
ZDM-5 | 41 | 28 |
NDM-1 | 17 | 12 |
NDM-5 | 14 | 13 |
NDM-6 | 06 | 06 |
Total locomotives in service as of October 2021 [4] | 106 |