FWHP - What does FWHP stand for? The Free Dictionary
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In addition to the enhanced power mode, the PC170LC-11 excavator features a new viscous fan clutch, which provides up to a 5 percent higher FWHP
rating and reduced sound levels; an auto idle and auto idle shutdown system to reduce fuel consumption and provide better management of nonproductive extended idle time; reduced hydraulic pressure loss within the main valve; a platform-mounted DEF tank with sight glass for easy access and filling; six work modes match engine speed and pump flow to various applications; and much more.
4MMscf/d has been measured with a 48/64 inch choke with a FWHP