There are plenty of fancy robotic mowers on the market but many struggle to take on steep hills. The SDR Remote Control Steep Slope Mower is a robomower that can handle slopes up to 38 degrees. It has 4 x 75RPM motors and 13″ all-terrain tires. You can remotely start/stop the mower with the flip of a switch.
This robotic slope mower weighs 170lbs with its motors and batteries. Since it is electric, it doesn’t make a whole lot of noise. It has a max speed of 3mph.