Class 185 Desiro UK
The British Rail Class 185 Desiro is a class of diesel multiple-unit (DMU) passenger trains built by Siemens Transportation Systems in Germany for the train operating company First TransPennine Express. They are currently operated by TransPennine Express.
This is the abbrieviations used:
DMOSB: Driving Motor Open Bicycle.
DMOCLW: Driving Motor Open Composite Lavatory Wheelchair.
MOSL: Motor Open Standard Lavatory.