At the end of 2006, Hunan Provincial Science and Technology Department organized four provincial oil pump new products developed by Hunan Oil Pump Co., Ltd., of which two new products, Cummins6B and KV6, passed provincial scientific and technological achievements appraisal. The new Cummins 6B oil pump features a raised-boss support structure that increases lubrication area and load carrying capacity, improves safety, reliability and service life, reduces operating noise and increases total pump efficiency by 10%. The product successfully passed the performance test of the United States Cummins B series engine, Hunan pump has therefore become Cummins supporting manufacturers.
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