HMC Manufactures Massive Gear Set for the Army Corps of Engineers

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When installed, it will produce electricity for the Ozark Hydroelectric Power Plant in Ozark, Arkansas. The gear and shaft assembly weigh roughly 125,000lbs and consists of a 174″ diameter low speed gear and a 143″ long low speed shaft. We also manufactured two low speed pinion shafts each weighing over 26,000lbs. These speed-increasers are rated at 33,800 horsepower.