BA>The Challenger pulls two water tenders when it's touring, one is painted bla
BA>to match the locomotive and the other is the UP yellow color scheme.
BA>Presumably
BA>they're filled by fire hydrants during overnight stops at UP yards.  Note th
BA>the oil
BA>used in the Challenger is bunker oil, not diesel, it's a step or two thinner
BA>than
BA>asphalt.  FWIW, SP's big AC series cab-forward articulateds were oil fired f
BA>the git-go.

I am fimilar with it having helped the San Direo Railroad Museum
restro0e a smal Steam Engine. Teh Oil Tank has a steam heating coil in
it to warm the oil so it will flow better. In fact when we ordered it it
wqas still HOT whwen the Takn truck arroved.
We did use Diesel for Engine cold Iron start up process though.
Steam is Horrendiously expensive. SDRM cannot afford to run any more
because of the major overhaul required. Our restored enhine, Southern
Pacific 2353, is a Static Display currently
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 þ SLMR 2.1a þ 0