The Dredge was a robot that entered the third and final season of Robotica, built by Steven Phelps.
It was unable to compete as it was overweight for the competition.
The Dredge backstage.
Team Run Amok described The Dredge as a "really big robot: four feet long by four feet wide with huge golf cart tires and thick wooden bumpers at either end."
Steven Phelps claimed "It was the largest and strongest of all competitors." with power coming from two series-wound winch motors with custom built controllers.