1990-09-01

Komatsu High Pressure Fuel Injection Pump “KP21” 901669

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.

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