Woodward 3161LIO
Product Name: Woodward 3161LIO Mechanical‑Hydraulic Governor
Product Introduction: A rugged mechanical‑hydraulic speed governor for diesel/gas engines and steam turbines, offering high torque output and reliable isochronous/droop control without electronicsWoodwardWoodward.
Technical Specifications:
Product Introduction: A rugged mechanical‑hydraulic speed governor for diesel/gas engines and steam turbines, offering high torque output and reliable isochronous/droop control without electronicsWoodwardWoodward.
Technical Specifications:
- Torque Output: Max stalled torque 14 N·m (10 lb‑ft); Useful torque 16 N·m (12 lb‑ft) @1379 kPa (200 psi)
Detailed content
- Speed Range: 400–1600 rpm; Constant speed operation: 1000–1500 rpm
- Droop: Adjustable (0–5 rpm or 4–9 rpm decrease per degree shaft travel)
- Operating Pressure: 1379 kPa (200 psi) internal oil system
- Construction: Cast‑iron housing, self‑contained oil pump/sump
- Shaft Travel: 42° total; Recommended 28° (no‑load to full‑load)
Functional Features:
- Isochronous (constant speed) or droop (speed‑versus‑load) operation
- Manual, electric, or pneumatic speed setting options
- Manual, electric, or hydraulic shutdown capability
- Self‑contained oil system (no external supply required)
- High vibration resistance for heavy‑duty applications
Application Scenarios:
- Large diesel/gas engines (gen sets, compressors, pumps)
- Steam turbine speed control in industrial and marine applications
- Off‑road heavy machinery and construction equipment
- Remote sites with no electrical power for control systems












