In fact, there are plenty of original Dursley Listers in certain parts of the world - namely the U.K. or some former British colonies. They produced over 500,000 of them in 50 + years of production. They are quite scarce in other parts of the world - especially North America. They are expensive wherever they are scarce. The Indian Listeroid is a low-cost entre that can be a quite acceptable stand-in for an original Lister - especially if they are checked over carefully and reworked wherever the Indians have done sloppy work. Take a look in the Lister Engine Gallery linked to this site - many projects there with many different types of Lister equipment as well as the clones.
dieselgman