Pardon my ignorances,My dear bus brudders.
Ok,I know that this buses(SBS 81) are transform into a training buses and previously seen it at Jurong East Interchange.
Now my questions
What year it start on service

On which services usually it being deployed

Which year it was phased out from service

Which depot are this bus from

How many cc,Horsepower,What type of gearbox it use and roughly how many passengers it is licenced to carry

Lastly heard from friends that it is similiar to those SJE buses but with different gearbox,Not very sure leh

Pardon me for the "long questions" and thanx in advance.

Be good and don't be a satan!