This one is really super overpamper. Special bus with plug doors
somemore.
How special it is? Isn't it just a typical DM3500? Only that it has
plug doors.
Plug doors ONLY?! Well, is that overpamper of svs265, 268,
243, 291, 293, 262, 269, 232, 238, 240 as they have PERM buses with
plug doors? =.=