RJ>   The UP X9000 (or is it 9000X?) was, IIRC, a 4-10-2 three cylinder
RJ>locomotive. The 3rd cylinder was connected by a crankshaft to the 2nd 
driver
RJ>axle. The linkages that allow the 3rd cylinder to operate would be 
interesti
RJ>to see, IMO. Somebody else (SP?) had a 4-12-2 that was also 3 cylinders. 
The
RJ>may also have one of those at the Fiarplex; memory's getting a little hazy
RJ>about what all they have there.
 
Don't worry about the "X" in this designation. Use of the "X" denotes
only an "extra" train, with the number of the engine usually used to
complete the identity. In this specific instance, any train being pulled
by the U.P.'s 9000 would be "extra 9000 east/west," nothing more.
 
You've got your railroads mixed up here. It was the U.P. who had the
4-12-2 three-cylinder engines. No one else had anything in a rigid frame
with so many drivers.
 
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 # SLMR 2.1a # We all live in a yellow subroutine.
 # PDQWK 2.5 #51
 
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