At 08:52 PM 30/04/2007, you wrote:

> Are we talking about the PR or PR1 Class


There was 1 PR, still basically a P, and 4 x PR1s, extensive rebuilds.

> also what about the OP class each one was different


Still basically an O despite the different appearances. The d.c. Os were different to the m.u. Os, but not separated in the class.

> and also from Sydney the RG the one R class with regenerative breaking


I dont think this was ever a separate class, but don't forget also the first 5 R1s used R class body panels.

> And the one Newcastle LP built from an N class car!!!


Still an LP, just to confuse things

> Oh and there was a few one off trolley buses in Sydney were there not

No, just 2 single deckers;. 3 AEC Q types; and 21 x 3 axle d/ds, a identical mixture of AEC and Leyland chassis