The two Litter-Robot models have identical dimensions. They have a footprint of 24.25 × 27 inches (62 × 69 centimeters) while standing 29.5 inches (75 centimeters). Their oval entryways measure 10.25 × 15.25 inches (26 × 39 centimeters) at their widest points.

The measurements of the tank with differ between manufacturers. From a technical standpoint, the tank should hold 9,240 cubic inches of water, but you’ll most likely come across 40-gallon breeder tanks measuring 36 × 18 × 16 inches (10,368 cubic inches).

Small hay bales typically start at 18 × 35 × 14 inches (46 × 89 × 36 centimeters) and weigh about 50 pounds (23 kilograms). Large hay bales are generally round in shape and measure 5 feet wide by 6 feet in diameter (1.5 × 1.8 meters) while weighing around 1,500 pounds (680 kilograms).