Classification of Locomotives [ edit source | edit beta ]

In India, locomotives are classified according to their track gauge, motive power, the work they are suited for and their power or model number. The class name includes this

information about the locomotive. It comprises 4 or 5 letters. The first letter denotes the track gauge. The second letter denotes their motive power (Diesel or Electric) and the

third letter denotes the kind of traffic for which they are suited (goods, passenger, mixed or shunting). The fourth letter used to denote locomotives' chronological model number.

However, from 2002 a new classification scheme has been adopted. Under this system, for ne we r d ie se l locomotives, the fourth letter will denote theirhorsepower range.

Electric locomotives don't come under this scheme and even all diesel locos are not covered. For them this letter denotes their model number as usual.

A locomotive may sometimes have a fifth letter in its name which generally denotes a technical variant or subclass or subtype. This fifth letter indicates some smaller variation in

the basic model or series, perhaps different motors, or a different manufacturer. With the new scheme for classifying diesel locomotives (as mentioned above) the fifth item is a

letter that further refines the horsepower indication in 100 hp increments: 'A' for 100 hp, 'B' for 200 hp, 'C' for 300 hp, etc. So in this scheme, a WDM-3A refers to a 3100 hp loco,

while a WDM-3F would be a 3600 hp loco.

Note: This classification system does no t apply to steam locomotives in India as they have become non-functional now. They retained their original class names such as M

class or WP class.

Heritage Gallery of Indian Railways [ edit source | edit beta ]

First Train of East Indian

Railway in 1854

Photo of first passenger train

on 16 april 1853

East Indian Railway Mail

1948 photo of Secunderabad

Railway Station

X-Dominion for India

The classification syntaxes [ edit source | edit beta ]

T he firs t le tte r (g a ug e )

W – Indian broad gauge (the "W" Stands for Wide Gauge - 5 ft 6 in)

Y – metre gauge (the "Y" stands for Yard Gauge - 3 ft or 1000mm)

Z – narrow gauge(2 ft 6 in)

N – narrow gauge (2 ft)

T he se co nd le tte r (mo tive p o we r)

D – diesel

Left:Indian Railways Preserved locomotive HPS, Right:Indian

Railways class locomotive NRM WP 7200

C – DC electric (can run under DC overhead line only)

A – AC electric (can run under AC overhead line only)

CA – both DC and AC (can run under both AC and DC overhead line); 'CA' is considered a single letter

B – Battery electric locomotive (rare)

T he third le tte r (jo b typ e )

G – goods

P – passenger

M – mixed; both goods and passenger

S – shunting (also known as switching engines or switchers in the USA and some other countries)

U – electric multiple unit (used to carry commuters in city suburbs)

R – railcars

For example, in "WDM 3A":

"W" means broad gauge

"D" means diesel motive power

"M" means suitable for mixed (for both goods and passenger) service

"3A" means the locomotive's power is 3,100 hp ('3' stands for 3000 hp, 'A' denotes 100 hp more)

Or, in "WAP 5":

"W" means broad gauge

"A" mean AC electric traction motive power

"P" means suitable for Passenger service

"5" denotes that this locomotive is chro no lo g ica lly the fifth electric locomotive model used by the railways for passenger service.

Broad gauge (5 ft 6 in) locomotives used in India [ edit source | edit beta ]

Steam traction [ edit source | edit beta ]

Company designs [ edit source | edit beta ]

In the nineteenth century, the various railway concessions ordered locomotives to their own specification, usually from

British manufacturers. This multiplicity of similar, but different designs, increased manufacturers' costs and slowed

production. During the 1890s, British manufacturers had full order books, so Indian railway companies looked to

Germany and the United States for locomotives.[1]

British Engineering Standards Association (BESA) designs [ edit source | edit beta ]

After acrimonious words in The Times and Parliament, the British Engineering Standards Committee (later British

Engineering Standards Association or BESA) began to design a series of locomotives for use by all railways in India.

The first two designs emerged in 1903: a 4-4-0 passenger, and 0-6-0 goods. The designs were revised in 1905 and

Left:Indian Railways Preserved locomotive YP class,

Right:Indian Railways class locomotive B-26

Left:Indian Railways locomotive XP class 1935, Right:Indian

Railways class locomotive XB class 1927

1906 with additional types added due to requests for heavier and more powerful locomotives:

Class SP – Standard Passenger – 4-4-0;

Class SG – Standard Goods – 0-6-0;

Class PT – Passenger Tank – 2-6-4T;

Class HP – Heavy Passenger – 4-6-0;

Class AP – Atlantic Passenger – 4-4-2;

Class HG – Heavy Goods – 2-8-0;

Class HT – Heavy Tank – 2-8-2T.

These BESA designs however were advisory, not mandatory, and were customised by the railway companies to their own taste. The railway companies could not even agree

to use the same classification system: only the state operated railways used the class designations SP, SG, PT, HP, AP, HG and HT. Once superheating became accepted,

superheated versions were classified SPS, SGS, etc. if built with superheaters, and SPC, SGC, etc. if converted from saturated to superheated.

Indian Railways Standards (IRS) designs [ edit source | edit beta ]

After World War I, new, larger, more powerful locomotives were designed by the British consulting engineers to the Indian Government. These started to appear from 1927

onwards:

Class XA – branch passenger 4-6-2 design;

Class XB – light passenger 4-6-2 design;

Class XC – heavy passenger 4-6-2 design;

Class XD – light goods 2-8-2 design;

Class XE – heavy goods 2-8-2 design;

Class XF – light shunting 0-8-0 design;

Class XG – heavy shunting 0-8-0 design;

Class XH – 4-cylinder 2-8-2 (not built)

Class XP – experimental passenger 4-6-2;

Class XT – light tank 0-4-2T;

Class XS – experimental 4-cylinder 4-6-2.

World War II designs [ edit source | edit beta ]

During World War II, large numbers of 2-8-2 locomotives were acquired from the United States and Canada, and were designated as classes AWD and CWD respectively.

Several USATC S160 Class locomotives were adapted for broad gauge and became class AWC.

Indian Government Railways (IGR) standard designs [ edit source | edit beta ]

Shortly before World War II, new classes were designed; but it would post-war before many of them came into service. These new designs were signalled by the change of

broad gauge prefix from 'X' to 'W'. In addition, plans were put into place to start manufacturing locomotives in India. The new classes were:

Class WP – passenger 4-6-2;

Class WG – goods 2-8-2;

Left:Indian Railways locomotive WL class, Right:Indian

Railways class locomotive YG class

Left:Model of a (decommissioned) WP Steam Locomotive

atGuntur Division, Right:Model of a (decommissioned) Indian

Railways steam locomotive M2-162

Left:Indian Railways locomotive WDM-2, Right:Indian Railways

locomotive WDM-2A (ABR)

Left:Indian Railways locomotive WDM-3D (JHS), Right:Indian

Railways locomotive WDM-3A class

Class WL (1st) – light 4-6-2 (four for North Western Railway in 1939; all to Pakistan at Partition);

Class WL (2nd) – light 4-6-2;

Class WM – 2-6-4T;

Class WT – 2-8-4T;

Class WU – 2-4-2T;

Class WV – 2-6-2T;

Class WW – 0-6-2T.

All broad gauge steam locomotives in India have been withdrawn from normal service, with only occasional steam

specials continuing to operate.

Diesel traction [ edit source | edit beta ]

Classification codes [ edit source | edit beta ]

WDM – Wide Diesel Mixed

WDP – Wide Diesel Passenger

WDG – Wide Diesel Goods

WDS – Wide Diesel Shunter

Mixed type locomotives [ edit source | edit beta ]

WDM 1 (First mainline diesel electric locomotives used in India. Introduced in 1957. Imported from ALCO. Out of

service now. 1950 hp)

WDM 2 (Mo st wid e ly use d a nd firs t ho me ma d e ma inline d ie se l-e le c tric lo co mo tive s in India. Original

prototypes were made by ALCO. Introduced in 1962. More than 2700 have been made. Rated at 2600 hp)

WDM 2A,WDM 2B (Technical variants of WDM 2)

WDM 3 (Only 8 were imported. They used hydraulic transmission and are currently non-functional)

WDM 3A (Formerly WDM 2C. Another WDM 2 variant. It is not related to WDM 3. 3100 hp)

WDM 3A R (Formerly WDM 2. It is a rebuilt with DBR fitted on Short Hood. It is not related to WDM 3. 3100 hp)

WDM 3C, WDM 3D (higher powered versions of WDM 3A)

WDM 3E (Converted to WDM 3D.

WDM 3F Manufactured by Diesel Locomotive Works (DLW).3600hp.HAHS bogies. Conventional DBR. Air brake

only.

WDM 4 (Entered service along with WDM 2. Prototypes designed by General Motors. Though considered superior

to WDM 2 in many ways, these locomotives weren't chosen as General Motors did not agree to a technology

transfer agreement. 2600 hp)

WDM 6 (Very rare class; only two were made; one is being used by PuttalamCement Factory in Sri Lanka. Rated at

1200 HP)

WDM 7 (Fifteen of these locos were built from June 1987 through 1989, they were designed for branch-line duties,

Left:Indian Railways locomotive WDM-4A , Right:Indian

Railways locomotive WDM-4

Left:Indian Railways locomotive WDP-4, Right:Indian Railways

locomotive WDP-4B

Left:Indian Railways locomotive WDP-4D, Right:Indian

Railways locomotive WDP-4 (KJM)

Left:Indian Railways locomotive WDG-3A, Right:Indian

Railways locomotive WDG-4

but they are now used mostly for shunting. Rated at 2000 hp)

Note: No locomotive class was designated as WDM 5 in India.

Passenger locomotives [ edit source | edit beta ]

WDP 1 (Bo-Bo bogies. 80 tons weight. Rated speed of 140 kmph. 12 cylinder engine. 2300 hp. Built by DLW in

1970. Homed at Vijayawada and Tughlakabad sheds only.

WDP 2 (New class name WDP 3A. Dedicated passenger diesel locomotive. Entered service in 1998. Powerful

locomotive. 3100 hp)

WDP 3 (This locomotives are actually prototypes of the class WDP 1 and never entered serial production.)

WDP 4 (EMD (former GM-EMD) GT46PAC, fundamentally a passenger version of the WDG 4 (GT46MAC). 4000 hp)

WDP 4B (EMD (former GM-EMD) GT46PAC, An improved version of the WDP 4, this is a more powerful version

and has 6 traction motors, just like the WDG 4. Also comes with wider cabin to aid visibility and minor exterior design

changes. 4500 hp)

WDP 4D (EMD (former GM-EMD) GT46PAC, This is basically a WDP 4B with twin cabs. Minor changes were made

to the locomotive to facilitate the addition of a second cabin. This locomotive comes with LCD instrument display

and toilet for the drivers. As of now, two units have been made and are expected to enter full-time service soon.

4500 hp)

Goods locomotives [ edit source | edit beta ]

WDG 2 (New class name WDG 3A. These class is actually a technically upgraded form of WDM 2)

WDG 3B , WDG 3C, WDG 3D (Technical upgraded forms of WDG 2 or WDG 3A)

WDG 4 (New dedicated goods locomotives. These are General motors'GT46MAC models. First units were

imported in 1999. They are numbered from #12000 upward. Local production started on 2002. 4000 hp)

WDG 5 (Another Freight dedicated Locomotive developed by Diesel Locomotive Works and Supported

by Electro Motive Diesels. First unit was rolled out from DLW on 25 February 2012. They are numbered from #50001

upward. Rated at 5500 hp. Equipped with Fire Control System, TFT Display and Driver's Toilet.)Loco is still under

trials in DLW, Varanasi. The locomotive/series is named 'BHEEM', after the strong Pandav brother from epic of

Mahabharat.

Shunting locomotives (also known as switching engines) [ edit source | edit beta ]

WDS 1 (First widely deployed and successful diesel locomotives used in India. Imported in 1944-45. currently out of

service. 386 hp)

WDS 2 (o-C-o bogies. 8 cylinder engine. Homed at Central Railway. Max speed 54 kmph. Built by Kraus Maffei in

1954-55. 440 hp)

WDS 3 (All locomotives of this class were rebuilt and reclassified as WDS 4C in 1976-78. 618 hp)

WDS 4,WDS 4A ,WDS 4B ,WDS 4D (Designed by Chittaranjan Locomotive Works. 600-700 hp)

WDS 4C (Rebuilt WDS 3 locos as mentioned above)

WDS 5 (Some of these locomotives are used for industrial shunting. A few are used on Indian Railways. Rated at

Left:Indian Railways Shunting locomotive WDS-4D,

Right:Indian Railways WDS-4 Shunting locomotive

Left:Indian Railways DHMU, Right:Indian Railways DEMU

1065 hp)

WDS 6 (Heavy-haul shunters made in large numbers for industrial concerns as well as for Indian Railways Rated at

1200/1350 hp)

WDS 8 (Only five of these were made, and all were transferred to steel works 800 hp)

Note: There is no electric shunting engine in India. Classes from WDS 1 to WDS 4D have hydraulic transmission. The

WDS 4, 4A, 4B, 4C and 4D are the only still existing broad gauge locomotives with diesel-hydraulic transmission.

Diesel multiple units [ edit source | edit beta ]

A few routes in India currently have Diesel multiple unit service. Depending on the transmission system they are

classified as DEMU (diesel-electric transmission) orDHMU (diesel-hydraulic transmission). There are diesel railcar

service in a few places known as 'railbus'.

DC electric traction [ edit source | edit beta ]

Note: These locomotives are, or were used only in sections around Mumbai which is the only location in India still using

DC traction.The power operated is 1500V DC.

Mixed type locomotives [ edit source | edit beta ]

WCM 1 (First electric locomotives with the now familiar Co-Co wheel arrangement to be used in India. Seven built

by English Electric atVulcan Foundry in 1954–55. 3700 hp)

WCM 2 (520 hp)

WCM 3 (600 hp Co-Co – Used in Kolkata, then transferred to Mumbai; three built by Hitachi in 1958)

WCM 4 (675 hp Co-Co – seven built by Hitachi in 1960)

WCM 5 (Built by Chittaranjan locomotive works to RDSO's design specifications. Auxiliaries by Westinghouse and North Boyce. Built in 1962, these are India's first

indigenously designed DC electric locomotives. The first was named Lokamanya after the Congress leaderBal Gangadhar Tilak. 3700 hp Co-Co.)

WCM 6 (A rare and highly powerful class. 5000 hp, only two were built. Now converted to run on AC power)

Passenger locomotives [ edit source | edit beta ]

WCP 1, WCP 2 (GIPR EA/1 and EA/2. Historically very important locomotives as these are the very firs t electric loco to be used in India. The first locomotive was named

as Sir Roger Lumley and is currently preserved in the National Rail Museum, New Delhi. Swiss Locomotive and Machine Works (SLM) built one in 1928 and 21 in 1930

(WCP1), and one in 1938 (WCP2). 1′Co2′ wheel arrangement; 2160 hp)

WCP 3, WCP 4 (GIPR EB/1 and EC/1, these are also among the earliest electric locos used in India. One of each class built by Hawthorn Leslie and Company in 1928;

2′Co2′ wheel arrangement.)

Goods locomotives [ edit source | edit beta ]

WCG 1 (GIPR EF/1. These are Swiss crocodile locomotives imported in 1928 from Swiss Locomotive and Machine Works (ten) and Vulcan Foundry (30). These are among

the earliest electric locos used in India. The first locomotive was named as Sir Leslie Wilson and is currently preserved in the National Rail Museum, New Delhi. 2600–

2950 hp)

WCG 2 (Designed by Chittaranjan locomotive works in 1970. 57 built until 1977.)

Preserved WCP1

Preserved WCG1

Electric multiple units [ edit source | edit beta ]

WCU 1 to WCU 15 (Used in Mumbai region only)

AC electric traction [ edit source | edit beta ]

The 25 kV AC system with overhead lines is used throughout the rest of the country.

Mixed type locomotives [ edit source | edit beta ]

WAM 1 (Among the first AC electric locomotives used in India. Introduced in 1959. Now out of service. 3010 hp)

WAM 2 (Out of service. Bo-Bo Bogies. Max speed 112 kmph. Built by Mitsubishibetween 1960-64. 2910hp)

WAM 3 (Out of service. Bo-Bo bogies. Same as WAM 2 except for reversepantographs. Built in 1964 by Mitsubishi)

WAM 4 (Indigenously designed by Chittaranjan Locomotive Works in 1970. Highly powerful class. One of the most

successful locomotives in India. 3850 hp)

Passenger locomotives [ edit source | edit beta ]

WAP 1 (Designed by Chittaranjan locomotive works in 1980 for the Kolkata-Delhi Rajdhani Express. A very

successful class. 3900 hp)

WAP 2 (Not in use)

WAP 3 (converted to WAP-1)

WAP 4 (Upgraded from WAP 1 for higher loads by Chittaranjan locomotive works in 1994. One of the most

successful locomotives in India. Very powerful class. 5350 hp)

WAP 5 (Imported in 1995 from Switzerland and used on premier express trains. 5450 hp)

WAP 6 Only found near Asansol

WAP 7 (Same design as WAG 9 with modified gear ratio. Highly powerful class. 6250 hp)

Goods locomotives [ edit source | edit beta ]

Main article: Indian Railways WAG class

WAG 1 (Out of service after 2002. B-B bogies. Max speed 80 kmph. Built by several builders between 1963-66. One

'Bidhaan' preserved at National Railway Museum,Delhi. Technical variants are WAG 1S. 2930hp)

WAG 2 ( Out of service. B-B bogies. Max speed 80 kmph. WAP 2 are technical variants of WAG 2. Built by several builders between 1964-65. 3450hp)

WAG 3 (Out of service. B-B bogies. Max speed 80 kmph. Technical variants are WAG 3A. Built in 1965. 3590 hp)

WAG 4 (Out of service. B-B bogies. Max speed 80 kmph. Technical variants are WAG 4A,D. Built by Chittaranjan Locomotive Works between 1966-71. 3590 hp)

WAG 5 (The most successful electric locomotives in India. Designed by chittaranjan locomotive works in 1984. More than 1100 were made. 3850 hp)

WAG 5A,WAG 5B,WAG 5D,WAG 5E,WAG 5H,WAG 5HA,WAG 5HB,WAG 5HD,WAG 5HE,WAG 5PE,WAG 5RH. (Technical variants of WAG 5)

WAG 6A (Imported from ASEA and Hitachi. 6110 hp)

WAG 6B,WAG 6c (Variants of WAG 3A. All rated at 6110 hp)

WAG 7 (Very successful class. Designed by chittaranjan locomotive works. 5350 hp)

WAG 8 (Out of service. Similar in looks to WCAM 2 and technically to WCAM 3. Built by BHEL in 1998. Experimental class)

Mumbai suburban Railway EMU

Left:Indian Railways class WAM-4 (ET), Right:Indian Railways

class WAM-4 (MGS)

Indian Railways class WAP-7

WAG 9 (Curre ntly the mo st p o we rful c la ss in Ind ia , ra te d a t 6350 hp . Same design as WAP 7 with modified

gear ratio. Designed by Adtranz,Switzerland.)

Electric multiple units [ edit source | edit beta ]

Main article: Electric multiple units

WAU 1 to WAU 4

Dual (both AC and DC) traction [ edit source | edit beta ]

Main article: Indian Railways WCAM class

Note: These locomotives are, or were used only in sections around Mumbai which is the only location in India still using

DC traction. They can run under AC traction too. The main purpose behind the manufacture of these type of locomotives

was to provide transportation in and out Mumbai area without changing the engine.

Mixed type locomotives [ edit source | edit beta ]

WCAM 1 (Designed by Chittaranjan Locomotive works, total 53 were built and supplied between 1975-79.)

WCAM 2/2P (Designed by Bharat Heavy Electricals Limited, total 20 were built and supplied between 1995-96.)

WCAM 3[1] [dead link](Designed by Bharat Heavy Electricals Limited. 4600 hp under DC traction and 5000 hp

under AC traction)

Goods locomotives [ edit source | edit beta ]

WCAG 1 (Designed by Bharat heavy electricals limited. 2930 hp under DC traction and 4720 hp under AC traction)

Note:There is no dedicated dual current passenger locomotive in India, but in Mumbai area, there are

some EMUs which can run under dual traction.

Metre Gauge (3 ft 3⅜ in) locomotives used in India [ edit source | edit beta ]

Steam traction [ edit source | edit beta ]

Company types [ edit source | edit beta ]

Nilgiri Mountain Railway X class

BESA designs [ edit source | edit beta ]

Passenger 4-6-0

Mixed-traffic 4-6-0

Goods 4-8-0

Tank 2-6-2T

Indian Railways class WAP-4

Indian Railways class WAG-1 (BZA)

Left:Indian Railways class WAG-7 (old Variant), Right:Indian

Railways class WAG-7 (New Livery)

Wartime designs [ edit source | edit beta ]

Class MAWD – 2-8-2 USATC S118 Class

Class MWGX – 4-6-2+2-6-4 Garratt

Indian Railway Standards designs [ edit source | edit beta ]

Class YA – 4-6-2 with 9-ton axleload (none built);

Class YB – 4-6-2 with 10-ton axleload

Class YC – 4-6-2 with 12-ton axleload

Class YD – 2-8-2 with 10-ton axleload

Class YE – 2-8-2 with 12-ton axleload (none built)

Class YF – 0-6-2; later examples were 2-6-2

Class YK – 2-6-0 version of the 2-6-2 YF

Class YL – 2-6-2

Class YT – light 0-4-2T

Class YG – 2-8-2 goods locomotive

Class YP – 4-6-2 passenger locomotive

Diesel traction (mixed type only) [ edit source | edit beta ]

YDM 1 - The first diesel locomotives on meter gauge. Imported from Britain in 1955.They were 20 in number.Mainly

found on Western Railway.Phased out by 1990s.[2][3]

YDM 2 - Originally used on Southern Railway.Built by CLW.Only 41 in numbers.Mostly used for shunting purposes

or to pull short passenger trains.[4][5]

YDM 3 - Produced by GM-EMD in 1961-62. (Model no. GA-12) .Mainly found near Ahmedabad.(Sabarmati Loco

Shed).[6][7]

Left:Indian Railways class WAG-5 (JHS) , Right:Indian Railways

class WAG-5 (VSKP)

Left:Chennai EMU, Right:Hyderabad MMTS

Left:Indian Railways locomotive WCAM-2P, Right:Indian

Railways locomotive WCAM-3

Left:Indian Railways locomotive YDM-1, Right:Indian Railways

locomotive YDM-4

YDM 4 - Most widely and successful diesel locomotive used in India on meter gauge.550 units produced by DLW

(Varanasi) and Alco.Found in Mhow ,Sabarmati Phulera , Lumding, Coonoor , Villupuram , Izatnagar Sheds and

many other sheds.[8][9]

YDM 4A - The 99 locos supplied by Montreal Locomotive Works in 1964-69.[10][11]

YDM 5 - Same specifications as of YDM-3 but an addition of 10t weight to the axles.Supplied by GM-EMD in

1964.[12][13]

Currently all diesel locomotives except YDM-4 and YDM-4A are supposed to be withdrawn from service.

Electric traction [ edit source | edit beta ]

Electric locomotives [ edit source | edit beta ]

YCG 1 (These locomotives are among the earliest electric locomotives in India. This class was imported to serve

the Chennai area in early 1930s.)

YAM 1 (These locomotives were in service until 2002 around Chennai. 1740 hp) 20 were Imported from Japan

Electric multiple units [ edit source | edit beta ]

YAU c la ss (First EMU service in India. Introduced in 1920s in Chennai area)

Narrow Gauge (2 ft 6 in and 2 ft) locomotives used in India [ edit source | edit beta ]

Steam traction (2 ft 6 in) [ edit source | edit beta ]

Company designs [ edit source | edit beta ]

Barsi Light Railway class A – 0-8-4T

Barsi Light Railway class B – 4-8-4T

Barsi Light Railway class C – 0-6-0ST

Barsi Light Railway class D – 0-4-0

Barsi Light Railway class E – Sentinel railcars

Barsi Light Railway class F – 2-8-2

Barsi Light Railway class G – 4-6-4

Indian Railway Standards designs [ edit source | edit beta ]

Class ZA – 2-6-2 with 4.5-ton axleload (none built);

Class ZB – 2-6-2 with 6-ton axleload;

Class ZC – 2-8-2 with 6-ton axleload (none built);

Class ZD – 4-6-2 with 8-ton axleload (none built);

Class ZE – 2-8-2 with 8-ton axleload;

Class ZF – 2-6-2T with 8-ton axleload

Metre-gauge electric loco - YAM1

Left:Indian Railways locomotive ZDM-3, Right:Indian Railways

locomotive ZDM-5

NDM-1 Diesel loco on the Matheran Hill Railway

Steam traction (2 ft) [ edit source | edit beta ]

Company designs [ edit source | edit beta ]

Darjeeling Himalayan Railway class A – 0-4-0WT;

Darjeeling Himalayan Railway class B – 0-4-0ST; 777 and 778 preserved

Darjeeling Himalayan Railway class C – 4-6-2

Darjeeling Himalayan Railway class D – 0-4-0+0-4-0 Garratt

Indian Railway Standards designs [ edit source | edit beta ]

QA – 2-6-2 with 4.5-ton axleload (none built).

QB – 2-6-2 with 6-ton axleload (none built);

QC – 2-8-2 with 6-ton axleload (none built).

Diesel traction (2 ft 6 in) (mixed type only) [ edit source | edit beta ]

ZDM 1

ZDM 2

ZDM 3 (Later rebuilt as ZDM 4C class)

ZDM 4

ZDM 4A

ZDM 4B, 4C, 4D

ZDM 5

Diesel traction (2 ft) (mixed type only) [ edit source | edit beta ]

NDM-1

NDM-5

NDM-6 – this class is currently in operation on the Darjeeling Himalayan Railway

Battery traction [ edit source | edit beta ]

NBM 1 – designed by BHEL in 1987; powered by battery.

Note: All narrow gauge locomotives in India are mixed type locomotives.

Special names [ edit source | edit beta ]

Ab hina v - Named to a WAP-4.

Aira va t - Named to some WDG-4's which belong to Gooty Diesel locomotive shed.

Ba a z - (Bird of prey in Hindi) Mainly two WDP 4's 20011 & 20012 are called BAAZ, WDP-4's 20000-20009 also have

the name stencilled on them in the side.

ZDM4A at Rajim

Ba b a Sa he b - Named to a WAP-1 which is named after Babasaheb Ambedkar.

Va lla b h-Named to first WCAM-1 #21800.

Ba lwa nt - Named to first WCAM-2 #21861.

Che e ta h - Named to some WDM-3D's.

Dr.Silve r - Named to a MONU, Its livery is Red unlike the standard green livery.

Ga jra j - Named to some diesel locomotives of 141xx series.

Ga jo d ha r

Ga rud a - Named to first Microprocessor controlled WDG-2a.

Ja g jiva n Ra m - Named WAM-1 which is named after India's ex-Railway Minister Babu Jagjivan Ram.[14]

Ja wa ha r - Named to a WAP-1 which is named after India's first prime minister Jawahar Lal Nehru.

Krishna ve ni - Named to a WAG-5.

Na vo d it - Named to first natively produced 3-phase Electric Passenger locomotive WAP-5.

Na v Ja g ra n - Named to a WAP-5.

Ga ura v - Named to Frist WAP-5 Of Vadodara Shed.

Na v Sha kti - Named to a WAG-9.

Na v yug - (New era in Hindi) Named to first natively produced 3-phase Electric Goods locomotive: WAG-9.

Pra b a l - Named to WDM-3A's which belongs to Lucknow Shed.

Pra ya s - Named to a WAG-7.

Pushp a k - Named to a WDP-3A.

Ra jha ns - Named to a WAP-4e which belongs to Vadodara Shed.

Aira va t - Named to a WAP-4e which belongs to Vadodara Shed.

Ma yur - Named to a WAP-4e which belongs to Vadodara Shed.

Pa wa nha ns - Named to a WAP-4e which belongs to Vadodara Shed.

Arjun - Named to a WAP-4e which belongs to Vadodara Shed.

Pa nthe r -Named to WAP-4e which belongs to Vadodara Shed.

Che e ta h -Named to WAP-4e which belongs to Vadodara Shed.

Sa hya ttri - Named to a WAP-4e which belongs to Howrah Shed.

Antim - Named to a WAM-4 which belongs to Bhusaval Shed(Last WAM4 to be Produced).

Sa mra t - Named to a WAG-7.

Sha kthi - (Power in Hindi) Named to Some Micro-processor controlled WDG-3A locomotives.

Sha ntid a n - Named to first WAG-7 #27001 (29 March 1992) (christened by Mother Teresa).

Sukh Sa g a r Na ve e n - Named to a WAM-4 (not in service).

T ig e r Fa ce - Refers to those WAG-7 locomotives which have red and white stripes on their front and painted red, white, blue, as opposed to being fully painted light blue.