heui pump
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- September 08, 2024Dive deep into the function, benefits, and maintenance of CAT HEUI pumps to help you better understand this crucial piece of equipment.
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- November 12, 2017
A main problem many Caterpillar engine owners run into is with the high pressure pump on HEUI engines better known as the HEUI pump. HEUI stands for Hydraulically Actuated Electronically Controlled Unit Injectors. The pump uses a hydraulic pump and engine oil to generate fuel injection pressure, and an ECM to control the pressure and amount of fuel injected...
