NuStar, Inc. offers the Automotive Power Pusher, a pedestrian-operated, battery-powered pusher designed to move immobilized vehicles. Power Pushers come in three models: Standard, Extra Duty and Super. All models are variable speed, have automatic braking and anti-runaway features, a continuous duty motor and a one-year warranty on all parts. Standard pushers have 4,000 lb capacity up a 3 percent grade, extra duty pushers have an 18,000 lb capacity up a 5 percent grade and super pushers have a 50,000 lb capacity up a 20 percent grade. Powered by a built-in 24V, 10-amp charger.