CROCODILE CALL. Tim at Where Worlds Collide weighs in on European and North American crocodilian locomotives. The Swiss would prefer that a "croc" have a jackshaft drive and articulated hoods.

If you like your crocs a more manageable size, there is a Czech company, E.T.S., that will sell you a replica 1/45 actual size, set up for three-rail or two-rail operation. If the inner motor is geared to the jackshaft, one could make the case that it is as believable a representation of the real thing as the live steam operators make for their pet projects, particularly if you wire it to draw power from the pantographs. But you then have all the joys of maintaining model trolley wire...