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Komatsu Loader Differential in Dallas - Our business offers a selection of various aftermarket parts and accessories for many brands of excavators, loaders, and bulldozers. We have established our international status thru exceptional client support. "Pneumatic" is a Greek word for "spirit". "Pneuma" means something which is filled with air. Nearly all tires you use or see today are more than likely pneumatic tires. The fact is, most private transportation and modern commercial transportation can not function without pneumatic tires. Pneumatic tires as defined by Webster's online dictionary are described as tires that are constructed from durable rubber, that hold compressed air. Any tire which requires air pressure to hold its shape is considered to be a pneumatic tire. The Irish surgeon John Boyd Dunlop has been credited to inventing the pneumatic tire. He developed the first practical pneumatic bicycle tire in the year 1888. In the year 1895, the Michelin brothers Édouard and André, the Michelin brothers were the first to use pneumatic tires on a car during a race. Pneumatic tires are made up of bands of plys or corded fabric. These plys are coated with rubber in order to hold air pressure. Bias ply tires have the plys overlaid at a specific angle to the other layers. Radial tires have all plys laid at 90 degrees to the tire body or casing. Inside tube tires, there are a type of rubber inner tube to hold the air pressure. Motorcycle tires on spoke rims, bicycle tires and car tires and older bias ply truck use inner tubes. Tubeless tires have a stiff bead on the sidewall edges which forms an airtight seal with the wheel. This eliminates the need for an inner tube.