| Present Location | Helston Railway |
| County Location | Cornwall |
| Designed For | BR |
| Build Location | Derby |
| Built by | BR |
| Diagram number | 588 |
| Lot number | 30521 |
| Type | DMBS |
| First Number | 51616 |
| Later Numbers | '51622' (wrongly); Alf Benney |
| Present Number | Alf Benney |
| Current Livery | BR multiple unit green livery |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | P 1984. Fitted in preservation with corridor connection. Doors cut into internal partitions; seating re-arranged. Much confusion due to previous incorrect numbering. The south-facing car has 51616 inside the cab, but was previously incorrectly numbered 51622 outside (can be seen through the paintwork.) Named "Alf Benney". By 04/20, sold to Helston Railway where partnered with 51622 (qv). |
| Owner | Helston Railway |
| External Structural Condition | Satisfactory |
| Internal Structural Condition | Good |
| 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 | As built/last Passenger rebuild (BR or before) |
| 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 | Several |
| Historical Importance | Some Interest |
| Storage | Secure Open |
| Operating | No |
| Survey Date | 08/09/2007 |
| Surveyor | Kevin Stroud |
| Photo Date | 10/03/2018 |
| Photo by | Steve West |
| At Risk | No |
| Date Record Last Updated | 23/09/2022 |
