Thank you for the info.

Sorry I didn't mention which loco.  It is a 2-6-0 Spectrum  'G' series "Mogul" narrow gauge engine....#81491

Called Bachmann and was transferred to voice mail. Voice mail doesn't answer questions....
Book says lubricate before using.  Have  oil but manual also wants gear "grease" in the gearbox.  How critical is this?  Local hobby shop has none.

Second, a G train ordered before Christmas came as a set with small square gray transformer which ran the train smoothly and quietly. But train was returned for other defect.  Reordered another much better loco...Spectrum series...twice as heavy as the first.  Separately bought the same little transformer and am now wondering if it will run this loco?  How can I find out how many amps I need for this loco and tender?

Thanks for any help.