Max Snow Joe snow thrower SJ803 is specifically designed for sidewalks and driveways designed for small and medium light conditions snow. This device cuts up to 21 cm wide and 8 inches deep in one pass. The design of the Snow Joe Max 803 is a single stage worm and the worm also help push the car in the snow, making operation a snap. Snow Joe 179cc engine delivers the auger and Scrapper clear right to the curb. The behavior and the redirection of snow are operated manually.