An industrial stationary container packer typically installed in multi-story buildings. The machines compact trash received from a trash chute and compact into two cubic yard front or rear load compaction containers. The machines operate automatically by an electric eye, providing unattended operation until the container is full at which time it is removed from the machine and wheeled outside for pickup. For smaller buildings, the Model 520ESII provides an economical solution with a 1 horsepower power unit.