| Present Location | Keith Dufftown |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Lot number | 30962 |
| Type | DMS |
| First Number | 55500 |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4 wheel |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | With 55501 makes up prototype Pacer Railbus unit 140.001. Development of LEV railbus. To Dufftown 1994. |
| Owner | Banffshire Rolling Stock Limited |
| External Structural Condition | Good |
| Internal Structural Condition | Satisfactory |
| Underframe Condition | Good |
| External Finish | Satisfactory |
| Internal Finish | Satisfactory |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | Some replaced/reproduced material |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Unique |
| Historical Importance | Exceptionally Important |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 23/10/1999 |
| Surveyor | Mike Stanbury |
| Photo Date | 14/09/2003 |
| Photo by | Michael Cope |
| At Risk | No |