Vision: In men’s dreams, a locomotive is a sign of pursuing goals with all available strength and power.
The locomotive releasing steam suggests that you are doing the same right now. In women’s dreams, the locomotive indicates a great trip in the making. Seeing a locomotive under steam: you are making too much of something; you are overly ambitious.
Depth Psychology: The locomotive in a dream stands for die emotional energy that is driving you forward in life. See Train.... Dreamers Dictionary
To dream of a Railway Engine is a certain sign of travel, or the arrival of some friend— this depends upon whether the Engine is travelling from you or towards you.
If you find yourself burdened with luggage, it becomes an obstacle dream ; if your baggage is light and easy to handle, then your difficulties will be overcome easily. See also LUGGAGE.... Mystic Dream Book