Class 1 Captain Pressure Governor (“Captain”) is designed to control the engine fuel to maintain a desired pump pressure or engine speed setting along with displaying diagnostic information. The “Captain” has a pre-set button for selecting a predetermined pressure or RPM and an emergency return to idle button. The “Captain” will work with most electronic diesel engines via an electrical control signal to the engine control module. **Super bright alpha-numeric display for excellent visibility in any light. **Govern pressure or RPM for stationary engine/pump control in almost any emergency situation. **Pre-select pressure or RPM levels. **Environmentally sealed. **Compact, durable design, no moving parts. **System includes display, transducer and wire kit