E3000 Ground Heaters This unit will thaw approximately 6,000 square feet of frozen ground per application. It cures concrete at 12,000 square feet per application. With a 220 gallon fuel tank it will operate for 80 hours. It's easy to use and is built to withstand harsh weather conditions. The Model CH-3000 complies with US DOT and Transport Canada regulations. It features a 2 5/16 inch ball hitch, electric brakes and lights, resilient polyethylene fenders, tie-downs to secure for transportation, powder coat painted frame and has a rustproof aluminum shell