Coleman 9935-A50 Road Trip Heat N Serve 6 Quart Propane Cooker. On the road is easier than ever thanks to the Road Trip 6 qt cooker from Coleman. Coleman's familiar pot 9935-A50 just declared independence from electric cords and wall sockets and has hit the road. This 4,000 BTU adjustable burner, is equipped with a patented Perfect Flow propane pressure control system for consistent cooking through and through. An Instastart electronic ignition means easy starts even in the wind.