Vehicle details
| Registration | SAX6G |
| Fleet no | RC669 |
| Date new | 12/68 |
| Chassis | RELH-4 Series 2 |
| Wheelbase (feet - ins) | 18-6 |
| Chassis no | 4-189 |
| Body manufacturer | ECW |
| Style | Series 1 coach |
| Seats | 47 |
| Body no | 17472 |
| Engine | Leyland 600 |
| Cylinders (no) | 6 |
| Engine capacity | 9.8 litre |
| Depot (Period 8-1975) | Monmouth |
| Fleet no 1975 | RC5069 |
| Fleet no 1983 | |
| NBC livery date | 2/73 |
| Withdrawn | |
| Notes | RD5069 - 5/79 |