Go-Ahead Non-Revenue Buses
Currently running buses
| Registration number | Former service | Status |
|---|---|---|
| SG5914T | LYDEP FD | Bus Under Repair |
| Registration number | Former service | Status |
|---|---|---|
| SG6093E | LYDEP FD | Non-user lay-up status till 12 Mar 2027 |
| Registration number | Former service | Status |
|---|---|---|
| SMB3127J | LYDEP FD | Non-user lay-up status till 29 May 2027 |
Partially retired buses
| Registration number | Former service | Status |
|---|---|---|
| SBS8145P | ECDEP FD | Unknown |
Demonstrator buses
| Registration number | Former service | Status |
|---|---|---|
| SG4001J | LYDEP 15 | Re-registered as PC6264K, subsequently sold to Tong Tar Transport, subsequently de-registered & scrapped |
| Registration number | Former service | Status |
|---|---|---|
| SG4015U | LYDEP 118/118A* | Returned to ST Engineering Mobility Services; subsequently de-registered |
| Registration number | Former service | Status |
|---|---|---|
| SG4006X | LYDEP 354/358/359/403 | Returned to ST Engineering Mobility Services & Re-registered as YR4009J |
| Registration number | Former service | Status |
|---|---|---|
| SG4012C | LYDEP 384 | Non-user lay-up status till 21 Aug 2026; Returned to Liannex |
| Registration number | Former service | Status |
|---|---|---|
| SG4010H | LYDEP 358 | Returned to Cycle & Carriage Automotive, subsequently sold to Tong Tar Transport; re-registered as PD2261P |