Technical Parameters
1. General Specifications
Model: LR20305 (SKG142-0)

Manufacturer: Woodward

Type: Electro-Hydraulic Actuator

Application: Speed control for engines, turbines, and generator sets

2. Electrical & Mechanical Specifications
Power Supply:

24V DC (typical operating range)

Voltage Range: 18–36V DC

Current Consumption: <1A (dependent on load)

Position Feedback:

Potentiometer or LVDT (Linear Variable Differential Transformer)

Signal Output: 0–10V or 4–20mA (configurable)

Stroke Length: Adjustable (typically 10–50mm, model-dependent)

Operating Force: Up to 500N (depends on application)

Response Time: <100ms (for full travel)

3. Control & Performance
Compatibility: Works with Woodward 2301/2501 governors and other digital controllers

Control Signal Input: 4–20mA or 0–10V (speed/position command)

Accuracy: ±0.5% of full stroke

Repeatability: ±0.1mm

4. Environmental & Durability
Operating Temperature: -40°C to +85°C (-40°F to +185°F)

Protection Rating: IP65 (dust-tight & water-resistant)

Vibration Resistance: Up to 10g (20–2000Hz)

Mounting: Flange or direct engine mounting

5. Communication & Integration
Compatible with:

CANbus (SAE J1939) for engine communication

Modbus RTU (RS-485) for SCADA/PLC integration

Configuration: Adjustable via Woodward Toolkit software

Key Features
✔ High-Precision Positioning – Ensures accurate fuel control for optimal engine efficiency.
✔ Robust Construction – IP65-rated for harsh industrial environments.
✔ Fast Response Time – Minimizes lag in speed regulation.
✔ Flexible Integration – Compatible with Woodward and third-party control systems.
✔ Long Service Life – Designed for minimal wear and maintenance.

Typical Applications
Diesel/Gas Generator Sets

Marine Propulsion Engines

Industrial Turbines & Compressors

Oil & Gas Power Systems