Woodward 8516-068
Product Overview
A compact, mechanical-hydraulic governor designed for small-to-medium industrial diesel and gas engines. It provides precise speed regulation and fuel control, integrating a hydraulic pump, relief valve, and accumulator into a self-contained unit for reliable operation in harsh engine environments.
Detailed content
Technical Specifications
- Speed Range: 600–2400 RPM (field-adjustable)
- Hydraulic Supply Pressure: 2.8–4.2 bar (40–60 psi) engine oil
- Output Stroke: 38 mm (1.5 inches) linear travel
- Speed Droop: 3–6% adjustable
- Operating Temperature: -40 °C to +70 °C
- Enclosure Material: High-strength cast aluminum
- Mounting: Direct flange mounting on engine
- Weight: 5.0 kg
Functional Characteristics
- Precise mechanical speed regulation independent of electrical power
- Self-contained hydraulic system reduces external piping and contamination risk
- Adjustable speed droop for stable parallel generator operation
- Built-in hydraulic damping to suppress speed oscillations
- Manual speed adjustment lever for on-site tuning
- Emergency overspeed shutdown mechanism for engine protection
- Robust design for high-vibration industrial engine environments
Application Scenarios
Industrial diesel generator sets, construction machinery engines, agricultural irrigation pumps, small marine auxiliary engines, and stationary gas engine compressors.












