WORKING OF TRACK MAINTENANCE MACHINE TYPES OF MACHINE
| S.No. | Machine Code | Full Form / Description |
|---|---|---|
| 1. | CSM | Continuous Action Tamping Machine |
| 2. | BCM | Ballast Cleaning Machine |
| 3. | BRM | Ballast Regulating Machine |
| 4. | FRM | Formation Rehabilitation Machine |
| 5. | RGMS | Rail Grinding Machine (modern name; replaces "CSM : Rail Grinding") |
| 6. | SCM | Sleeper Changing Machine |
| 7. | HTM | Hydraulic Tamping Machine |
| 8. | ALM | Automatic Lining Machine |
| 9. | PTM | Points Tamping Machine |
| 10. | STM | Switch Tamping Machine |
| 11. | SBS | Shoulder Ballast Cleaner (not Screener) |
| 12. | TTM | Tie Tamping Machine (or Tamping Track Machine) |
| 13. | DTS | Dynamic Track Stabilizer (only one meaning) |
| 14. | UNIMAT | Universal Tamping Machine (used for turnouts + plain line) |
