Rotary mechanical diesel fuel injection pump
DPG Delphi Power Train

The Delphi DPG Medium Duty Diesel Rotary Fuel Injection Pump is based on the Delphi DPA series of diesel fuel injection pumps and includes mechanical governor enhancements, providing durable governor performance to ISO 8528-5 Class G2 standards. The pump is easily adjusted to suit either 50 or 60 Hz operation, and offers easy in-service conversion to electronic operation using an integrated governor controller and actuator. The main components of the DPG pump include:

Fuel inlet
Transfer pump with pressure regulator
Distributor pumping system with two or four plungers
Internal cam ring
Driveshaft
Metering valve with droop control
Mechanical governor with low friction and wear features
Governor transient stabilizer
Electric shut-off