The weight of a train engine varies depending on the type of engine. A diesel engine can weigh as much as 250 tons while a steam engine would be about 100 tons.
It has to use alot of energy
stock -iron heads, etc.- 670lbs.
It weighs 120 tons more heavy than a truck
The weight of an engine depends on the make and model of the plane. Jet engines weigh anywhere from 46,500 pounds to 50,100 pounds. Off by a factor of 8 or 10 depending on size.
Metal