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Unformatted text preview: 9/9/2008 1 A th R b t L P if Cliff d J Authors: Robert L. Peurifoy, Clifford J. Schexnayder, Aviad Shapira Instructor: Dustin Olson, MBA History of Construction Equipment The Construction Industry Equipment Utilization My Thought My Thoughts History of Construction Equipment 1890-Benjamin Holt & Daniel Best began experimenting with various designs of steam tractors for farming 1915-Holts Caterpillar track type tractors used in WWI 1925-Caterpillar Tractor Co. Formed History of Construction Equipment Transcontinental RailroadMay 1869 Panama Canal Boulder (Hoover) Dam Etc. 9/9/2008 2 History of Construction Equipment Three Significant Developments High-Strength Steels Prior to WWII30,000-35,000 PSI Yields Following WWII40,000-45,000 PSI Yields with better fatigue properties Nylon Cord Tires Larger Tires, Increased Load Capacity, Greater Heat Resistance High-output diesel Engines 10-15% increase in flywheel horsepower...
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- Fall '08