How concerned are you with Prototype correctness? I mean, if you absolutely must have prototypically correct AM Generals trackless trolleys for your SEPTA routes set in 1990 that's one thing, and you're probably out of luck.
On the other hand, if you just want something trolley bus looking, maybe get a boxy European style bus from Herpa or Wiking (they ain't cheap), and build a small square box/fairing for the top, and add two (2) trolley poles (e.g. Precision Scale - out of stock as usual for Walthers) side by side at the top of fthe squarish box you built (may need to add insulators and wiring, meaning time to google images for TOPS of trolley buses).Of course, you know you'd need to run trolley line supported by trolley poles along the route (kind of the whole essence of trolley buses), and even worse, instead of single conductor line like regular trolleys (which use the rails as the return/ground), you need 2 conductors side by side. There is a reason in the real world (well, at least North America) why there hasn't been an explosion of trolley bus revivals as opposed to trolley revival in the past few decades. Here's a list from wiki of trolley bus systems (past & present) - looks like Philly (SEPTA), Boston (MBTA), and San Francisco (MUNI), and Dayton Ohio! I see by the list that the Seatlle (Wash) dual modes (yeah, trackless trolleys w/ diesel engines) are gone since 2005, so cross that off your trackless trolley list too.
Oh, and trackless trolleys might be a better search term - trolley buses searching often brings up these tourist contraptions
Here's what is considered a Trolley Bus in these parts:
http://en.wikipedia.org/wiki/Trolleybus
http://en.wikipedia.org/wiki/File:SEPTA66Route.jpg
Springfield PA
That depends what you mean by "trolley bus":
Here is a rail bus litterally a bus:
http://www.hobbylinc.com/htm/bac/bac46211.htm
Here's one that may fit the bill:
http://www.hobbylinc.com/htm/bac/bac62947.htm
here is a whole page of trolleys avaiable some looking like older buses:
http://www.hobbylinc.com/HO_Scale_Trollies_and_Hand_Cars
All of these are HO scale as again you have not specified what scale you are looking for, or more specifically what you are looking for in "trolley bus"...
If you mean trolley bus as in urban bus transport on rubber wheels, there are a bunch of those available too. do a google search for "HO scale bus" and see what you come up with. Remember, Google is your friend. I found everything here by Googling it.
-G .
Just my thoughts, ideas, opinions and experiences. Others may vary.
HO and N Scale.
After long and careful thought, they have convinced me. I have come to the conclusion that they are right. The aliens did it.
I am afraid there is no HO scale trolley bus in the market any longer. Brawa in Germany used to make a set, but stopped production many years ago.
dose any one know how to make a trolley bus or where to get one?