at Tinsukhia
| Type | YDM4 Diesel Electric Mixed Traffic Loco |
| Gauge | 1 Metre |
| Wheel Argmt | Co-Co |
| Brakes | Vacuum Braked |
| Power | 1400 HP |
| History & Devpt | Alco design of 1963, first few were imports and then production started at DLW. Production stopped in the early 90's. |
| Railways | WR, NR, SC, SR, NE, NF |
| No.Series | 6*** |
| Unit shown | No.6409, Lumding shed, NFR |