The design, development and performance aspects of Komatsu's newly developed fuel injection pump “KP21” is described.The KP21 pump, which features high injection pressure capability, variable pre-stroke system and electronic governor with electrohydraulic proportional control system, is showing good reliability and performance as was expected.The application target is heavy duty diesel engines between 70 ps/cyl to 130 ps/cyl, and the development program has been pursued along with that of a newly developed SA12V140 engine which drives a HD785 dump truck.
Komatsu High Pressure Fuel Injection Pump “KP21”
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 1990
1990-09-01
Conference paper
English
Komatsu high pressure fuel injection pump KP21
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