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Dave and List, I have attached 3 scans in the Photos section of maintenance instructions for a 1941 SW-1. The instructions are the same for a 1947 NW2. The photo in the scan shows a heater that appears in many of my photos of Q SW and NW2 units. Does anyone have a dimensioned drawing of the heater shown. We know the GP's heater was housed in a rectangular steel cabinet with an extended exhaust stack while the SD's heater was inside the hood with only the stack coming out the side of the hood . What I never noticed was that an external steam supply could be used for standby heat on SW and NW2 units, perhaps on other models as well. This all reminds me of my 2002 post and question about external standby heat. Does anyone know if the external standby heat at Red Oak was steam or hot water and what does the term "imbecile" hose mean? Regards...Jerry Albin 11767Overnight Heater (was Diesel Engine Question) Expand Messages Mar 2, 2002 If you have the January 1958 issue of "Model Railroader" magazine, (page 58-59) there is a photo article by Bernard Corbin about the diesel service facilities at Red Oak, Iowa. Among the great 50's photos was one that caught my eye that shows a boxcar body that was used to house a "...heater that keeps loco's radiator water [note hoses] warm in cold weather." Apparently the switcher assigned to Red Oak was shut down for extended periods of time and during subfreezing weather it was hooked up by "imbecile" hoses to the heater in the boxcar body. Has anyone ever heard of this practice or know where the fittings were located on the locomotive? This arrangement is not to be confused with the on board overnight heaters installed on some SW, GP and SD locomotives. __._,_.___ Posted by: jeralbin@aol.com __,_._,___ |