8440-1409
May 26, 2026

8440-1409

Woodward 8440‑1409 is a high‑performance ProAct Digital Speed Controller (Electronic Governor) for diesel and gas‑engine driven generator sets, marine prime movers and industrial engines. It integrates precision closed‑loop speed regulation, direct fuel actuator driving, overspeed protection and fault diagnosis. With fast dynamic response, robust anti‑interference and wide‑temperature stability, it is widely used in power generation, oil & gas, mining and marine heavy‑duty applications.

Description

Core Functions

  1. High‑precision closed‑loop speed control, stable operation under load fluctuations

  2. Direct PWM drive for Woodward fuel‑control actuators

  3. Built‑in overspeed protection, self‑diagnosis and alarm output

  4. Supports isochronous mode for single‑unit operation and droop mode for parallel gensets

  5. Remote speed setpoint via 4‑20 mA analog input

  6. Parameter configuration through dedicated Woodward PC tuning software

Electrical Specifications

  • Power Supply: 24 VDC (wide‑range 18–40 VDC input)

  • Speed Input: Magnetic Pickup (MPU) sensor signal

  • Actuator Output: PWM drive for fuel‑control actuators

  • Analog Input: 4‑20 mA for remote speed reference

  • Communication: Serial interface for monitoring and parameter adjustment

  • EMC: Industrial‑grade electromagnetic interference resistance

Environmental & Mechanical Features

  • Operating Temperature: −40 °C ~ +85 °C

  • Vibration & Shock: Compliant with marine and heavy‑duty industrial standards

  • Mounting: Panel‑mount installation

  • Enclosure: Rugged metal housing, dust‑proof and shock‑resistant

Typical Applications

  • Diesel & gas engine generator sets

  • Marine auxiliary power and propulsion systems

  • Oilfield, mining and industrial prime movers

  • Continuous‑run and emergency backup power supply systems


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