For reference, the vehicles in the fleet which are fitted with tachographs are as follows:
- Volvo Olympian 3833
- Dennis Trident 3858
- Volvo B7TL 3941
- Volvo B7TL 3942
- Volvo B7TL 3943
- Volvo B7TL 3962
- Volvo B7TL 3963
- Volvo B7TL 3964
- Volvo B7TL 3965
- Volvo B10BLE 4917
- Volvo B10BLE 4918
- Volvo B10BLE 4921
- Scania L94 4941
- Scania L94 4949
- Scania L94 4967
- Scania L94 5227
- Scania L94 5228
- Scania OmniCity 5271
- Mercedes Citaro 5302
- Mercedes Citaro 5358
- Wright Streetlite 5369
- Volvo B9TL 6043
- Volvo B9TL 6044
- Volvo B9TL 6045
- Volvo B9TL 6046
- Volvo B9TL 6047
- Volvo B9TL 6048
- Volvo B9TL 6049
- Volvo B5LH 6056
- Volvo B9TL 6071
- Volvo B9TL 6084
- Volvo B9TL 6101 (?)
- Optare Versa 8294
Scania 4941 no longer has tachometer fitted, but Scania 4932 now does. It seems that they have been swopped between vehicles. No calibration plate in 4932, so cannot be used.
Volvo b10 4910 has a none calibrated tachometer fitted.
Mercedes Citaro 5276 has digital tachometer fitted, being calibrated in March 2014.