""Tractor'' shall mean any self-propelled vehicle designed or used as a traveling power plant or for drawing other vehicles, but having no provision for carrying a load, but shall not include off-highway recreational vehicles not designed and equipped for highway use.
""Tractor'' shall mean any self-propelled vehicle designed or used as a traveling power plant or for drawing other vehicles, but having no provision for carrying a load, but shall not include off-highway recreational vehicles not designed and equipped for highway use.
""Tractor'' shall mean any self-propelled vehicle designed or used as a traveling power plant or for drawing other vehicles, but having no provision for carrying a load, but shall not include off-highway recreational vehicles not designed and equipped for highway use.