* Type of locomotive: Diesel-electric locomotives are the most common type used for freight trains, and their weights can range widely.
* Power and size: Larger locomotives designed for heavier loads will naturally weigh more.
* Manufacturer: Different manufacturers may have different designs and specifications.
* Age and modifications: Older locomotives may weigh less than newer models.
* Specific configuration: The weight can also vary depending on whether the locomotive is equipped with additional features like dynamic braking or extra fuel tanks.
However, as a general rule of thumb, a typical diesel-electric freight locomotive can weigh anywhere from 150 to 250 tons.
Here are some examples of approximate weights for different types of locomotives:
* GE ES44AC: Around 215 tons
* CSX AC4400CW: Around 225 tons
* Union Pacific SD70ACe: Around 225 tons
It's important to remember that these are just estimations. To get the exact weight of a specific locomotive, you would need to consult the manufacturer's specifications or the locomotive's data sheet.