| Number | DS 61989 |  |
| Description | 20-Ton Five Plank Ballast Drop-Side Wagon | |
| CarKnd / FshKnd | TUNNY | |
| Diagram | SR 1771 | |
| Lot Number | unknown | |
| Build Date | 1928 | |
| Built At | unknown | |
| Wheelbase | 12-feet 0-inches | |
| Length Over Buffers | 24-feet 6-inches | |
| Brakes | Vacuum | |
| Notes | none | |
| Previous Numbers | none | |
| Purchased by SCPG | January 2003 | |
| Date Of Photograph | March 2004 | |
| Photograph Location | Long Siding, Eldons, Swanage Railway |