Brandon, a PTV manager, has made a recording of NJT’s #4201, the Millennium RTS bus. This bus is powered by the Caterpillar C9 280HP engine with the ZF Ecomat 6 speed transmission.
Check it out..
http://philadelphiatransitvehicles.cjb.net/mutimedia/displayimage.php?album=73&pos=0
Also, Jayayess1190, a forum member has a few videos posted in the gallery as well.