A slug is used to increase adhesive weight, allowing full horsepower to be applied at a lower speed, thus allowing a higher maximum tractive effort. They are often used in low-speed operations such as switching operations in yards. At low speeds, a diesel-electric locomotive prime mover is capable of producing more electric power than its traction motors can use effectively. Conversion has enjoyed popularity as a way to reuse otherwise obsolete locomotives.
Extra power would simply cause the wheels to slip and possibly overheat the traction motors. A slug increases the number of traction motors available to the locomotive, increasing both the pulling and braking power. In addition the load on each traction motor is reduced, which helps prevent overheating from excess current. Slugs typically carry ballast to increase their weight and improve traction. .
A slug is used to increase adhesive weight, allowing full horsepower to be applied at a lower speed, thus allowing a higher maximum tractive effort. They are often used in low-speed operations such as switching operations in yards. At low speeds, a diesel-electric locomotive prime mover is capable of producing more electric power than its traction motors can use effectively.
Conversion has enjoyed popularity as a way to reuse otherwise obsolete locomotives.
Extra power would simply cause the wheels to slip and possibly overheat the traction motors. A slug increases the number of traction motors available to the locomotive, increasing both the pulling and braking power. In addition the load on each traction motor is reduced, which helps prevent overheating from excess current. Slugs typically carry ballast to increase their weight and improve traction. .
i have seen in pic's that they are used for Yard switching or something like that.
youre lucky to catch that last train as the line it comes from sees very little activity, that train runs at night now
that was a really cool video:)
me too i don't see why some are cabless slugs and some slugs have cabs.
Awesome video!!!!!!!! 5*****