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Komatsu Loader Differential in Seattle - Whether you are looking to find hydraulic valves, hoods, lift cylinders, seats, turbos, or any other part for your own equipment, our Seattle professionals can assist. We maintain easy access to lots of suppliers all over the country and are able to supply your entire used and new equipment requirements. "Pneumatic" is a Greek term for "spirit". "Pneuma" means anything which is filled with air. Nearly all tires you see or use nowadays are more than likely pneumatic tires. The fact is, most private vehicles and modern commercial transportation could not work without utilizing pneumatic tires. Pneumatic tires as defined by Webster's online dictionary are described as tires that are made from reinforced rubber, holding compressed air. Any tire which needs air pressure to hold its shape is considered to be a pneumatic tire. The invention of the pneumatic tire has been credited to John Boyd Dunlop, an Irish surgeon, who during eighteen eighty eight developed the very first practical pneumatic bicycle tire. During the year 1895, the Michelin brothers Édouard and André, the Michelin brothers were the very first ones to use pneumatic tires on a car during a race. Pneumatic tires are constructed of bands of corded or plys fabric. These plys are coated with rubber to be able hold air pressure. Bias ply tires have the plys overlaid at a certain angle to the other layers. Radial tires have all plys laid at 90 degrees to the casing or tire body. Inside tube tires, there are a kind of rubber inner tube to hold the air pressure. Motorcycle tires on spoke rims, bicycle tires and older bias ply truck and car tires utilize inner tubes. Tubeless tires have a stiff bead on the edges of the sidewall that forms an airtight seal with the wheel. This kind of tire does not require an inner tube.