he Atlas Difco Side-Dump Car is an integral part of any work train The railroad equivalent of a dump truck, the Difco car is designed to carry up to 100 tons of ballast, fill or rip rap. Each prototype car is fitted with large pneumatic cylinders and side doors, and can dump to the left or right of the tracks. While used primarily in work train service for dumping, Difco Side-Dump Cars can also be used in revenue service to carry sand, gravel, cinders, coal, limestone and other loose bulk materials used in industry. This car features a detailed injection-molded body, accurate decoration, appropriate 100-ton roller bearing trucks and magnetic knuckle couplers.