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Woodward UG-10 Governor

by | Nov 17, 2025 | INSIGHT

A high-output mechanical-hydraulic governor delivering precise, stable speed control for diesel/gas engines and steam turbines. With 15.9 N·m output and 150 psi pressure, it’s a reliable choice for marine and power-generation use. We offer UG-10 supply, overhaul and calibration services.

Woodward UG-10 Governor

The Woodward UG-10 governor is a high-work-output mechanical-hydraulic governor designed for precise speed control of diesel, gas and dual-fuel engines, as well as steam turbines in marine and power-generation applications.

Woodward UG-10 Governor – Features & Technical Overview

The UG-10 is part of Woodward’s proven UG governor family and shares the same robust construction and mounting footprint as the UG-5.7 and UG-8, while delivering higher work output for demanding applications.

Key technical characteristics (UG-10):

  • Mechanical-hydraulic governor for control of diesel, gas and dual-fuel engines, and steam turbines
  • High work output: approx. 15.9 N·m (11.7 lb-ft) at the terminal shaft for positive, reliable actuation of fuel racks or steam valves
  • Internal oil pressure: about 1034 kPa (150 psi) operating pressure, higher than UG-5.7/UG-8 to support the increased work capacity
  • Self-contained oil sump: around 1.9 L capacity with relief-valve/accumulator system for stable hydraulic performance and simplified installation
  • Isochronous or droop control: dashpot and needle-valve compensation enable very stable speed control, with adjustable droop for accurate load sharing on generator sets
  • Drive & speed range: designed for governor drive speeds in the 375–1500 rpm range, with a recommended constant-speed operating band from 1000 to 1500 rpm; suitable for clockwise or counter-clockwise drive rotation

These features make the Woodward UG-10 governor a widely used solution for reliable, long-term engine speed control in heavy-duty environments.

Woodward UG-10 Governor
Supply, Repair & Service

We support owners and operators who rely on the Woodward UG-10 governor for critical engine and turbine applications. Our team can assist with:

Inspection, troubleshooting and condition assessment of existing UG-10 governors

Complete overhaul and calibration on specialized governor test benches

Replacement of worn components according to manufacturer specifications

Conversion, adjustment and linkage optimization for stable isochronous or droop operation

Typical Applications of the Woodward UG-10

The UG-10 governor is typically installed on:

  • Main and auxiliary marine engines for propulsion and onboard power

  • Diesel and gas engine generator sets for continuous and standby power

  • Industrial and pipeline gas engines

Steam turbines requiring stable, precise mechanical-hydraulic speed control

If you are looking for Woodward UG-10 governor supply options, overhaul services or technical support, get in touch with us and we’ll help you identify the right solution for your engine and application.

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