| Name: | B O C NO 40 |
| Type: | Tank Barge |
| Launched: | 22/08/1949 |
| Completed: | 1949 |
| Builder: | Clelands (Successors) Ltd |
| Yard: | Willington Quay |
| Yard Number: | 142 |
| Dimensions: | 40grt, 58.5 x 14.3 x 6.3ft |
| Engines: | Oil engine, 4SCSA, Premier type, DR Geared, 6cyl (5 x 6.25ins) |
| (1959: Oil engine, 4SCSA, 6-C type, DR Geared, 6cyl (135 x 200mm) | |
| (1973: Oil engine, 4SCSA, DR Geared, 6cyl | |
| Engines by: | Crossley Bros Ltd, Manchester; (1959: Newbury Diesel Co Ltd, Newbury) |
| (1973: Dorman Diesels Ltd, Stafford) | |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | 187543 |
| History: | |
| 1949 | Burmah Oil Co (Burmah Trading) Ltd, London |
| 01/1957 | FT Everard & Sons Ltd, Greenhithe; renamed SPANKER |
| 1983 | South Thames Ship Repairers Ltd, Greenhithe |
| 1985 | J Marsh & Sons Ltd, Greenhithe |
| No further history known | |
| Comments: | Designed as a towing barge |
| 1960: Re-engined | |
| 1973: Re-engined |
Photos show BOC Nos 38, 39, 40, 41 & 42 on 07/07/1949. Photos copyright of Britain from Above