The document provides information about various locomotives used in Indian Railways, including their specifications and manufacturers. It describes the main technical specifications of various broad gauge, meter gauge, and diesel-electric locomotives, such as their traction motors, transformers, gear ratios, and hauling capacities. The document serves as a reference for the various locomotives that comprise the large fleet of Indian Railways.

1. Welcome to the world of railway
information system.
1. About Us 2. Signalling
System
3. Locomotives 4.
Coaches
3/9/2013 1

2. ABOUT US
INDIAN RAILWAYS, the premier transport organization of the country is the
largest rail network in Asia and the world’s second largest under one management
Kilometres Broad Gauge Metre Gauge Narrow Gauge TOTAL
(1676 mm) (1000 mm) (762/610 mm)
86,526 18,529 3,651 108,706
Route Kilometres Electrified Total
16,001 63,028
Indian Railways runs around 11,000 trains everyday, of which 7,000 are
passenger trains.
7566 - locomotives 37,840 - Coaching vehicles
222,147 - Freight wagons 1.54 million - Work force
6853 -Stations 300 - Yards
2300 - Good sheds 700 - Repair shops
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3. SIGNALLING SYSTEM
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4. 1. WAG 1 11. WAP 4_3 MORE AC LOCOS INFO
2. WAG 2 12. WAP 1 DIESEL LOCOS
3. WAG 5 13. WAP 4 Dual class & DC locos
4. WAG 5_2 14. WAM 1
5. WAG 9H 15. WAM 4
6. WAG 9 X 16. WAP 5
7. WAG 6 B 17. WAP 6
8. WAG 7 18. WAP 7
9. WAG 9 20. WCAM 3
10. WAG 6 A MORE info
3/9/2013 * Important locos 4

5. 1. WDP 1 11. WDS 4 B MORE LOCOS INFO
2. WDP 2 12. WDS 5 Meter , Narrow guage
3. WDP 4 13. WDS 6
4. WDP 3 A 14. WDG3A-AQUA
5. WDM 1 15. WDG 4
6. WDM 2 16. YDM 4
7. WDM 3
8. WDM 3 D
9. WDM 4 More Info
10. WDM 7 SIGNALLING INFORMATIONS
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6.  Broad guage 25 kv Ac three
phase electric locomotive
, used for heavy haul main
line passenger service with
24/26 coaches , Capable of
power regeneration during
braking. Manufactured at
CLW, based on ABB(AD
tranz) design . HP-
6122, Maximum speed –
130 kmph, Wheel
configuration –Co-Co.
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7. WDP 4
 WDP4: - Broad guage diesel
electric (Ac-Ac) locomotive.
Used for high-speed main line
passenger service.
Manufactured at DLW. Based
on gm design (GT 46pac) Hp-
4012, Maximum speed- 160
kmph, Wheel Configuration -
AA1-1AA.
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8. WAG 1
 Traction Motors: AEC/Alstom/Siemens MG1420. Two motors
(monometer bogies), force-ventilated, fully suspended.
 Gear Ratio: 3.95:1
 Transformer: MFO, type BOT 3150. 22.5kV / 3000kVA. 32 taps.
 Rectifiers: Secheron A268 Excitrons (four). 510A / 1250V.
 Axle load: 21.3t
 Max. Haulage: 1820t
 Pantographs: Two Faiveley AM-12
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9. WAG 2
 Traction Motors: Hitachi EFCO HKK (1270kW, 1250V,
1080A, 695rpm, weight 5300kg).
 Transformer: Hitachi AFI AMOC. 32 taps.
 Rectifiers: AEV-48 silicon rectifiers, 2040A / 2550kW.
 Pantographs: Two Faiveley AM-12
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10. WAG 5
 Traction Motors: Alstom TAO 659 (575kW, 750V, 1070 rpm) or TAO 656; or Hitachi
HS 15250A (See description under WAP-4.) Axle-hung, nose-suspended. Six motors.
 Gear Ratio: 62:16 or 62:15 with Alstom motors, some 64:18 (Hitachi motors), many now
58:21 for mixed use.
 Transformer: BHEL, type HETT-3900. 3900kVA, 22.5kV, 182A. 32 taps.
 Rectifiers: Silicon rectifiers (two) using 64 S-18FN-350 diodes each from Hind Rectifier.
2700A / 1050V per cubicle.
 Bogies: Co-Co cast bogies (Alco asymmetric trimount -- shared with WDM-2, WAM-4).
 Axle load: 20t
 Max. Haulage: 2375t
 Pantographs: Two Faiveley AM-12
 Current Ratings: 1100A/10min, 750A continuous
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11. WAG 5_2
 Traction Motors: Alstom TAO 659 (575kW, 750V, 1070 rpm) or TAO 656; or Hitachi HS
15250A (See description under WAP-4.) Axle-hung, nose-suspended. Six motors.
 Gear Ratio: 62:16 or 62:15 with Alstom motors, some 64:18 (Hitachi motors), many now
58:21 for mixed use.
 Transformer: BHEL, type HETT-3900. 3900kVA, 22.5kV, 182A. 32 taps.
 Rectifiers: Silicon rectifiers (two) using 64 S-18FN-350 diodes each from Hind Rectifier.
2700A / 1050V per cubicle.
 Bogies: Co-Co cast bogies (Alco asymmetric trimount -- shared with WDM-2, WAM-4).
 Axle load: 20t
 Max. Haulage: 2375t
 Pantographs: Two Faiveley AM-12
 Current Ratings: 1100A/10min, 750A continuous
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12. WAG 6 A
 Traction Motors: ASEA make (WAG-6A), L3 M 450-2. Six
motors, fully suspended, force-ventilated, separately excited,
3100kg.
 Transformer: (WAG-6A) ASEA: TMZ 21, 7533kVA;
 Thyristor controller: (WAG-6A) 24 YST 45-26P24C
thyristors each with 24 YSD35-OIP26 diodes, 2x511V,
2x4500A;
 Pantographs: (WAG-6A) Two Stemman BS 95;
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13. WAG 6 B
 Traction Motors:(WAG-6B) Hitachi HS 15556-OIR,
bogie mounted, force-ventilated, compound-wound,
3200kg.
 Transformer:(WAG-6B/C) Hitachi AFIC-MS,
6325kVA.
 Thyristor controller:(WAG-6B/C) 32 CGOIDA
thyristors each with 24 DSP2500A diodes. 2x720A,
850V.
 Pantographs:(WAG-6B/C) Two Faiveley LV2600
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14. WAG 9H
 Manufacturers: ABB, CLW
 Traction Motors: ABB's 6FRA 6068 3-phase squirrel-cage induction motors (850kW,
2180V, 1283/2484 rpm, 270/310A. Weight 2100kg) Axle-hung, nose-suspended.
 Gear Ratio: 77:15 / 64:18
 Transformer: ABB's LOT 6500, 4x1450kVA.
 Power Drive: Power convertor from ABB, type UW-2423-2810 with SG 3000G X H24
GTO thyristors (D 921S45 T diodes), 14 thyristors per unit (two units). Line convertor
rated at 2 x 1269V @ 50Hz, with DC link voltage of 2800V. Motor/drive convertor rated
at 2180V phase to phase, 971A output current per phase, motor frequency from 0 to
132Hz.
 Axle load: 22.5t Hauling capacity: 4700t
 Bogies:Co-Co Pantographs: Two Secheron ES10 1Q3-2500.
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15. WAM 1
 Manufacturers: Kraus-Maffei, Krupp, SFAC, La Brugeoise & Nivelle
(50 cycles European group)
 Traction Motors: Siemens/ACEC/Alstom MG 710A (740hp, 1250V,
480A, 1000 rpm, weight 2750kg). Fully suspended, force-ventilated.
 Rectifiers: Four water-cooled ignitrons from SGT, each rated for
575kW / 1250V.
 Pantographs: Two Faiveley AM-12.
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16. WAP 1
 Manufacturers: CLW
 Traction Motors: Alstom/CLW - TAO 659 (575kW (770hp), 750V, 1095 rpm)
Axle-hung, nose-suspended, force-ventilated.
 Gear Ratio: 58:21
 Transformer: BHEL type HETT-3900, 3900 kVA. 32 taps.
 Rectifiers: Two silicon rectifiers, with S18FN35 cells (by Hind Rectifier) with 64
cells per unit. 2700A/1050V.
 Axle load: 18.8t.
 Bogies: Co-Co Flexicoil (cast steel bogies); primary and secondary wheel springs
with bolsters
 Pantographs: Two Faiveley AM-12.
 Current Ratings: 900A/10min
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17. WAP 5
 Manufacturers: ABB / CLW
 Traction Motors: ABB's 6FXA 7059 3-phase squirrel cage induction motors (1150kW,
2180V, 370/450A, 1583/3147 rpm) Weight 2050kg. Forced-air ventilation, fully suspended.
Torque 6930/10000Nm. 96% efficiency.
 Gear Ratio: 67:35:17. (3-stage gears)
 Transformer: ABB's LOT-7500. 7475kVA primary, 4x1450kVA secondary.
 Power Drive: Power convertor from ABB, type UW-2423-2810 with SG 3000G X H24 GTO
thyristors (D 921S45 T diodes), 14 thyristors per unit (two units). Line convertor rated at 2 x
1269V @ 50Hz, with DC link voltage of 2180V. Drive convertor rated at 2180V phase to
phase, 953A output current per phase, motor frequency from 0 to 160Hz.
 Axle load: 19.5t
 A 24-coach (1430t) passenger rake can be accelerated to 110km/h in 312 seconds (over 6km)
by a WAP-5; to 120km/h in 402 sec. (6.9km); and to 130km/h in 556 sec. (14.2km).
3/9/2013 17

18. WAP 6
 Manufacturers: CLW
 Traction Motors: Hitachi HS15250 (See description under WAP-4.)
Axle-hung, nose-suspended, force-ventilated.
 Gear Ratio: 58:23
 Transformer: CCL make, aluminum coil. 5400kVA. 32 taps.
 Rectifiers: Two silicon rectifier cubicles. 2700A/1050V.
 Axle load: 18.8t.
 Bogies: Fabricated Flexicoil Mark IV bogies.
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19. WDG 4
 Builders: GM, DLW
 Engine: GM-EMD 16-710 G3B, 4000hp, with EMD 'G' turbocharger.
WW PGR governor. Unit fuel injection, centrifugal pump as with WDP-2,
cooling and fan as in WDP-2.
 Transmission: Electric with TA-17-CA6A alternator, 900rpm, 2200V AC
/ 3000V DC, 1600A AC, 2100A DC.
 Wheel sets: Co-Co bogies
 Starting TE:55t at 41% adhesion.
 Length over buffer beams: 19964mm
 Distance between bogies: 13888mm (? or 13666mm?)
 Weight: 128t Fuel tank capacity: 6000l
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20. WDG3A-AQUA
 Builders: DLW
 Engine: Alco 251C-16 upgraded by DLW, 3100hp. 1050rpm max / 400rpm idle.
Fuel injection, cooling, fan, bore/stroke as with WDM-2C. Compression ratio 12.5:1.
NAP NA2951R or ABB VTC304-15 turbo-supercharger.
 Transmission: Electric, with BHEL TA 10102 CW alternator (1050rpm, 1130V,
4400A).
 Axle Load: 20.5t; total weight 123t.
 Bogies: Alco High-Adhesion Co-Co fabricated bogies
 Starting TE:37.9t at 30.8% adhesion.
 Length over buffer beams: 17850mm
 Distance between bogies: 11500mm
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21. WDS 5
 A model based on an Alco design (DL531B), and erected by DLW. The
loco has a flat-ended cab at one end. Appearance: On the whole it is
somewhat bigger than the WDS-6, and with a round fuel tank instead of
the integrated body fuel tank that the WDS-6 has. Co-Co, 6-cylinder 4-
stroke turbo-supercharged engine (Alco 251B-6, 1065hp), electric
transmission. Some of these were used for industrial shunting. A few are
[6/03] at Mughalsarai and Bondamunda sheds.
3/9/2013 21

22. WDM 1
 Class name carried over from old system.) 1957
Alco models ("World Series" DL500 or 'FA'
loco), Co-Co 12-cylinder 4-stroke turbo-
supercharged engine; 1800/1950 .
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23. WDS 6
 Builders: DLW
 Engine: Alco 251D-6, 6 cylinder
 Transmission: Electric
 Wheel sets: Alco asymmetric cast Co-Co trimount
bogies.
 Axle load: 21 tons.
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24. WDM 3
 (Old class name.) Rarities. Diesel locos with hydraulic
transmission -- only 8 were produced, by Henschel
(model DHG2500BB). Mercedes Benz MD108DZ20
engines, B-B axles. Built around 1970, IR numbers
18515-18522, works numbers 31300-7.
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25. WDM 4
 (Class name carried over from old system.)
There were 72 of these export model SD-24
GM-EMD locos, supplied in 1962. Rated at
2600hp (some earlier units were 2400hp) and
140km/h. Co-Co.
3/9/2013 25

26. WDM 7
 Builders: DLW
 Engine: Alco 251B-12 variant, 2000hp
 Transmission: Electric, with BHEL TG 10931 AZ generator — DC
shunt wound (first 10), or BHEL TA 10105 AZ alternators — 3 phase
star (the last 5)
 Gear ratio: 94:17
 Fuel capacity: 5000l
3/9/2013 26

27. WDP 1
 Builders: DLW
 Engine: Alco 251C-12 variant, 2300hp, with Napier NA 295 or ABB VTC304
turbocharger. 1000rpm max / 400rpm idle. Fuel injection, cooling, fans, governor
as with WDM-2. 228mmx266mm bore/stroke. 12.5:1 compression ratio.
 Transmission: Electric, with BHEL TA 10106 AZ alternator (1000rpm, 750V,
4200A).
 Axle Load: 20t. Wheelset: Bo-Bo fabricated bogies (an odd design, shared with
the WDM-6, apparently loosely based on the Flexicoil models).
 Starting TE: 20t at 25% adhesion.
 Length over buffer beams: 14810mm
 Distance between bogies: 8800mm
3/9/2013 27

28. WDP 2
 Builders: DLW
 Engine: Alco 251C-16 (upgraded by DLW), 3100hp. 1050rpm
max / 400rpm idle. Napier NA 295 IR or ABB VTC304-15
turbocharger. 228mm x 266mm bore/stroke, 12.5:1 compression
ratio. Unit fuel injection. Cooling system has centrifugal pump with
3785l/min capacity @ 900rpm; fan driven by an AC motor, 35kW.
 Transmission: Electric, with BHEL TA 10102 BW alternator
(1050rpm, 1130V, 4400A)
 Axle Load: 19.5t.
 Bogies: Co-Co Flexicoil Mark 5 (fabricated bogie frame and
bolster assembly)
3/9/2013 28

29. WAG 9
 Broad guage 25 kv Ac three
phase electric locomotive
.Used for heavy haul freight
service capable of power
regeneration during braking,
Manufactured at CLW,
based on ABB (AD tranz)
design .hp-6122,Maximum
speed –100 kmph,Wheel
configuration – Co-Co.
3/9/2013 29

30. WDP 3 A
 WDP3A: Broad guage
diesel electric (Ac-dc)
locomotive . used for
main line Passenger
service. Manufactured at
DLW based on Alco
design. Hp- 2900,
Maximum speed :- 140
kmph, Wheel
configuration : Co-Co.
3/9/2013 30

31. WAP 4
 WAP 4 Broad guage 25
kV ac electric
locomotive, used for main
line passenger
service, Majority of
electric locomotives for
passenger service on IR at
present are of this type.
Manufactured at CLW.
3/9/2013 31

32. WDM 2
 WDM2: Broad guage diesel
electric (DC-DC) locomotive.
Used for main line mixed
service. majority of diesel
locomotives on IR at present
are of this type. Manufactured
at DLW. Hp-
2430, Maximum speed: - 120
kmph, Wheel configuration:
Co-Co.
3/9/2013 32

33. WAM 4
 WAM 4: Broad guage 25
kvAc electric
locomotive, used for main line
mixed service. Manufactured
at CLW. Production has been
discontinued with the
introduction of wap4 and
wag7. Hp 4000, Maximum
speed: 120 kmph, Wheel
configuration: - Co-Co.
3/9/2013 33

34. YDM 4
 Ydm4: Meter guage diesel
electric (dc-dc)
locomotive. Used for main
line mixed service.
Manufactured at DLW.
Hp- 1300, Maximum
speed: - 100 kmph, wheel
configuration: co-co.
3/9/2013 34

35. WCAM 3
 WCAM 3: Broad
guage, Dual voltage (25 kV
ac and 1500 v Dc ) Electric
locomotive used for mixed
service , based at kalyan
shed of central railway
only.
 Manufactured at Bhel, Hp:
4600
dc, 5000(ac), Maximum
speed: 105 kmph, Wheel
configuration – co-co.
3/9/2013 35

36. WDM 3D
 WDM 3D- Broad guage, diesel
electric (ac-dc) locomotive.
Used for main line mixed
service. Microprocessor
controlled locomotive
 Manufactured at DLW. Hp: -
3300, Maximum speed:
100kmph
 Wheel configuration: co-co.
3/9/2013 36

37. WAG 7
 Wag7: 25 kV Ac Electric
locomotive. Used for main
line freight service. majority
of electric locomotive for
freight service on IR at
present are of this type.
Manufactured at CLW. Hp
5000, maximum speed:
100kmph,wheel
configuration: co-co.
3/9/2013 37

38. WDS 4B
 Wds4b: Broad guage
diesel hydro mechanical
mostly used for shunting
and material train
movement. Manufactured
at clw hp: 700 maximum
speed: 50kmph, wheel
configuration o-c-o
3/9/2013 38

39. •First class Air-Conditioned (AC) (Code:1A). The
Executive class in Shatabdi type trains is also treated
as Ist AC.
•AC 2-tier sleeper (Code:2A)
•First class (Code:FC)
•AC 3 Tier (Code:3A)
•AC chair Car (Code:CC)
•Sleeper Class (Code:SL)
•Second Sitting (Code:2S) MORE INFO
3/9/2013 39

40. Indian Railways Coaches
1.PASSENGER COACHES , AIR CONDITIONING.
2. PASSENGER COACHES WEIGHTS , WAGONS
WIEGHT.
3. FRIEGHT WAGONS , BRAKES , COUPLER ETC.
3/9/2013 40

41. First class Air-Conditioned (AC) (Code:1A).
3/9/2013 41

42. AC 2-tier sleeper (Code:2A)
3/9/2013 42

43. First class (Code:FC)
3/9/2013 43

44. AC 3 Tier (Code:3A)
3/9/2013 44

45. •AC chair Car (Code:CC)
3/9/2013 45

46. •Sleeper Class (Code:SL)
3/9/2013 46

47. 3/9/2013 47

48. METRO RAILS INDIA
3/9/2013 48

49. THE END
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