The joystick-steered, zero-turn-radius TracFab Gas-Powered Tracked Wheelchair, with 17.5 hp four-stroke engine, reportedly generates a top speed of 7 mph. Its 5-gallon-capacity fuel tank is designed to allow one to go a long distance over almost any type of terrain without fear of engine failure or overheating and no downtime for battery charging. Among the machine's many other features are: keyed ignition switch and keyed electric starter (w/ pull-start backup); upholstered seat with bolster support to minimize body-shifting, adjustable recline angle, and four-point harness; independently controlled rubber tracks with on-the-fly forward/reverse; welded steel safety cage; front/rear stabilizer wheels; and automatic fuel shut-off; Other custom options available.