Wagon numbering system in India

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A new wagon numbering system was adopted in Indian Railways in 2003. [1] Wagons are allocated 11 digits, making it easy for identification and computerization of a wagon's information. [2] The first two digits indicate Type of Wagon, the third and fourth digits indicate Owning Railway, the fifth and sixth digits indicate Year of Manufacture, the seventh through tenth digits indicate Individual Wagon Number, and the last digit is a Check digit.

Contents

First two digits

These two digits indicate Type of Wagon. [3] [4]

Open wagon

Code allotted is from 10 to 29

Code allottedType of Wagon
10BOXN [5]
11BOXNHA
12BOXNHS
13BOXNCR
14BOXNLW
15BOXNB
16BOXNF
17BOXNG
18BOY
19BOST [6]
20BOXNAL
21BOSTHS
22BOXNHL
24BOXNS

Covered wagon

Code allotted is from 30 to 39

Code allottedType of Wagon
30BCNA [7]
31BCNAHS
32BCCNR [8]

Tank wagon

Code allotted is from 40 to 54

Code allottedType of Wagon
40BTPN [9]
41BTPNHS
42BTPGLN [10]
43BTALN
44BTCS [11]
45BTPH
46BTAP [12] [13]
47BTFLN [14] [15]

Flat wagon

Code allotted is from 53 to 69

Code allottedType of Wagon
53BLCSA
54BLCSB
55BRNA [16]
56BRNAHS
57BFNS [17]
58BOMN [18]
59BRSTH
60BFAT
61BLCA [19]
62BLCB [20]
63BLLA [21]
64BLLB [21]
65BRS
66BFU
67BRHNEHS
68BCL
69BCLA

Hopper wagon

Code allotted is from 70 to 79

Code allottedType of Wagon
70BOBYN [22]
71BOBYNHS
72BOBRN [23]
73BOBRNHS
74BOBRAL
75BOBSN

Well wagon

Code allotted is from 80 to 84

Code allottedType of Wagon
80BWTB
81MBWT
82DBKM
83MBWZ

Brake van

For Brake Van code allotted is from 85 to 89

Code allottedType of Wagon
85BVZC
86BVZI [24]
87BVCM

Third & fourth digits

These two digits indicate the owning railway.

Code allottedOwning Railway
01 Central Railway Zone
02 Eastern Railway Zone
03 Northern Railway Zone
04 North Eastern Railway Zone
05 Northeast Frontier Railway Zone
06 Southern Railway Zone
07 South Eastern Railway Zone
08 Western Railway Zone
09 South Central Railway Zone
10 East Central Railway Zone
11 North Western Railway Zone
12 East Coast Railway Zone
13 North Central Railway Zone
14 South East Central Railway Zone
15 South Western Railway Zone
16 West Central Railway Zone
24Wagons owned by Defence
25Wagons owned by CONCOR
26Wagons owned by other private parties

Fifth & sixth digits

These two digits indicate the last two digits of the year of manufacture
For example,
08 for 2008
15 for 2015

Seventh to tenth digits

These digits indicate Individual Wagon Number. This is a running serial number from 0001 to 9999.

Last digit

This is a Check digit.
The Check Digit for each wagon is calculated using a six-step algorithm as indicated below. Let the wagon number be C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11. (C1 is the first digit, C2 is the second digit, and so on)
Step 1 : Starting from the left, add all the Characters in the even position. S1 = C2 + C4 + C6 + C8 + C10
Step 2 : Multiply the sum by 3 to get 3×S1
Step 3 : Starting from the left.. add all the Characters in the odd position. S2 = C1 + C3 + C5 + C7 + C9
Step 4 : Add the sum of step 2 to the sum of step 3 to get S4= 3×S1+S2
Step 5 : Round this total up to the next multiple of 10.
Step 6 : The check digit is the number required to the added to round up to the next multiple of 10

An example for the calculation, [25]
Let the wagon number is 31101695215
Step 1 : S1 = C2 + C4 + C6 + C8 + C10 = 1+0+6+5+1 = 13
Step 2 : 3 × S1 = 39
Step 3 : S2 = C1+ C3 + C5 + C7 + C9 = 3+1+1+9+2 = 16
Step 4 : S4= 3 × S1 + S2 = 39 + 16 = 55
Step 5 : Next 10th multiple of 55 = 60
Step 6 : Check digit = 60 - 55 = 5
Hence the eleventh digit is assigned as 5 for this particular wagon.

Abbreviations used for wagon type code

Gauge code [26]

M :- (prefix) MG
N :- (prefix) NG

Wagon type code

B :- (prefix) Bogie wagon (sometimes omitted)
BV :- Brake van
V :- Brake/parcel van (see above for brake van codes)
O :- Open wagon (gondola)
C :- Covered wagon (boxcar)
F :- Flat car
FK :- Flat car for container transport
FU :- Well wagon
LA :- Low flat car with standard buffer height
LB :- Low flat car with low buffer height
LAB :- Low flat car, one end with low buffers, the other with high buffers
R :- Rail-carrying wagon
T :- Tanker (additional letters indicate material carried)
U :- Well wagon
W :- Well wagon
K :- Open wagon: ballast / material / refuse transport (older wagons)
C :- Centre discharge
S :- Side discharge
R :- Rapid (forced) discharge, bottom discharge
X :- Both centre and side discharge
X :- (also) High sided
Y :- Low (medium) side walls
L :- Low sided
H :- Heavy load

The ‘B’ indication is sometimes omitted as all new wagons are bogie stock.

Following the type code in the classification code a letter may denote the type of coupler, nowadays optional, as all new freight cars are fitted with centre buffer couplers (CBC). An 'N' suffix is for 'pneumatic', or air-braked wagons. Most newer stock that is air-braked also has CBC couplers, so the 'C' is usually dropped. E.g., BOXN for air-braked BOX wagons, not BOXCN. Almost all the older stock is vacuum-braked.

Coupler, brake, and other suffixes

C :- Centre buffer coupler (CBC)
R :- Screw coupling only
T :- Transition coupler (CBC with additional side buffers and screw coupling)
N :- Air-braked
M :- (suffix) Military

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References

  1. "Circular by Ministry of Railways" (PDF). 4 July 2003 via Railway Board.
  2. "ELEVEN DIGIT WAGON NUMBERING SYSTEM". trainguard.in. trainguard.in. Retrieved 6 December 2020.
  3. "Types and definition of wagons".
  4. "Types and definition of wagons 2".
  5. "Bogie Open Type -BOXN primarily for transporting iron ore".
  6. "Bogie Open Type -BOST primarily for transporting iron ore".
  7. "Bogie Covered Type -BCNA primarily for transporting food grains or cement".
  8. "Single-deck automobile carrier wagon".
  9. "Petrol/Fuel Tank Wagon".
  10. "LPG Tank Wagon".
  11. "Caustic Soda Tank Wagon".
  12. "Bogie Alumina Tank Wagon(BTAP)".
  13. "BTAP design diagram" (PDF).
  14. "New generation Bogie Frameless Tank (BTFLN) wagons".
  15. "BTFLN design diagram" (PDF).
  16. "BRNA Flat wagons for transporting rails etc".
  17. "BFNS Flat Wagon used for carrying coil".
  18. "Bogie Open Military Wagon" (PDF).
  19. "BLC-A Container Flat Wagon".
  20. "BLC-B Container Flat Wagon".
  21. 1 2 "Bogie Low Platform Longer Container Flat Wagon" (PDF).
  22. "BOBYN Hopper Wagon primarily for carrying and discharging ballast".
  23. "BOBRN Hopper Wagon primarily for transporting coal".
  24. "Indian goods brake van with eight wheels (BVZI)".
  25. "Example for the calculation of finding the check digit".
  26. "IRFCA".