BOGIES AND SUSPENSION - South Central Railway

CHAPTER 6 – BOGIES AND SUSPENSION
WAGON MAINTENANCE MANUAL
Page 111 of 121
The last shop issue size and the condemning dia of different wheels shall be as
per RDSO Drg.No.WD-88089/S-1 given below;
S.
No.
Axle
(t)
Drg.No.
Nom. Dimensions
A B C D E
1. 22.9 W/WL-4764/Sk-68512 1000 897 850 906 919
2. 22.9 WAP/SK/M/153 or
WD-97037-S-01
1000 897 - 906 919
3. 22.9 SK69601 1000 897 850 906 919
4. 22.9 W/WL-4771 915 804 761 813 826
5. 20.3 W/WL-4750 1000 851 814 860 873
6. 20.3 WD-89025/S-5 1000 851 814 860 873
7. 16.3 W/WL-527 1090 980 940 990 1003
8. 16.3 WD-89025/S-9 1090 980 940 990 1003
9. 14.0 WD-89061/S-2 725 626 585 635 647
10. 12.2 W/WL-770 725 626 585 635 647
11. 12.2 WD-83074/S-2 725 626 585 635 647
12. 8.1 W/WL-3135 585 496 456 505 518
13. 8.1 W/WL-3140 585 496 456 505 518
D. WHEEL CENTRE
There are two types of wheel centres namely solid, in which the wheel tread is
integral with the wheel centre, and tyred, in which a separate tyre is shrunk on to the
centre. Tyred wheels are again sub-divided into two types. Disc type, which is
currently in use, and spoke type, which is rapidly becoming obsolete.
E. TYRE PROFILE
Presently Indian Railways using the wheels having optimised wheel profile
known as Worn Wheel profile as per RDSO Drg. No. WD-88021 (for BG wagons)
and Drg No SK-91122 (for MG wagons) . All wheels are being turned as per these
drawings. For Intermediate worn wheel profiles RDSO Drg. No. WD-89060/S-2 shall
be followed. Worn Wheel profile and Intermediate worn wheel profile are given on
next page.