The Aichi 4.00 - 8 - (400 - 8) solid forklift tire is a type of tire specifically designed for use on forklifts. The following is an explanation of the terms in the tire specifications: Aichi: Refers to the tire brand or manufacturer, namely Aichi Corporation. Aichi Corporation is a company that produces a variety of industrial equipment, including forklift tires. 4.00 - 8: This is the size of a forklift tire which is usually measured in inches. The first number, "4.00", refers to the tire's width, while the second number, "8", refers to the diameter in inches. This means that the tire width is 4.00 inches and the tire diameter is 8 inches. (400 - 8): This is a forklift tire size using metric measurements. The first number, "400", refers to the width of the tire in millimeters. While the second number, namely "8", refers to the diameter of the tire in inches. So, in metric measurements, the tire width is 400 mm and the tire diameter is 8 inches. The Aichi 4.00 - 8 - (400 - 8) solid forklift tire is a tire designed to be 4.00 inches or 400 mm wide and 8 inches in diameter. Usually, solid forklift tires don't have air cavities in them, so they don't need to be filled with air like regular tires. Solid forklift tires are generally more durable and have good reliability in a variety of working conditions in industrial environments.