⚙️ generator governor systems (ggs)

Generator Governor
Systems (GGS)

Complete Generator Governor Systems – Electronic & mechanical governors, actuators, speed control, load sharing, and retrofits. Our experienced team (OEM-trained, 15+ years) supports Woodward, Heinzmann, GAC, MAN, Wärtsilä, Caterpillar, MTU, Yanmar, Daihatsu, ABC, Bergen, Niigata, Cummins, Deutz and more.

Request service Contact engineers

500+
governor services

Woodward, Heinzmann
OEM trained on major governors

24/7
governor support

Experienced
team – 15+ years

🔧 real vessel experience

Our engineers have worked on Governor Systems for MAN 18V48/60, Wärtsilä 32, Caterpillar 3516/3616, MTU 4000/8000, Yanmar 6EY, Daihatsu DK-36, ABC 12VDZC, Bergen B32:40, Niigata 28AHX, Cummins QSK60, Deutz TBD616 and more.

From mechanical UG to digital ProAct – we cover all governor aspects.

⚙️ generator governor systems (ggs)

Speed Control · Load Sharing · Actuators · Retrofits

✓ Electronic Governors – Woodward ProAct, PEC, 2301, 723
✓ Mechanical Governors – Woodward UG, PGA, PSG
✓ Digital Governor Controllers – Heinzmann, GAC, Norcontrol
✓ Load Sharing & Isochronous Control – Woodward LS-5, 2500
✓ Actuators – Electric, Hydraulic, Pneumatic
✓ Speed Sensors & Magnetic Pickups – MPU, proximity probes
✓ Governor Overhaul & Bench Testing
✓ Calibration & Tuning – Droop, Stability, Gain
✓ Retrofit – Mechanical to Electronic Conversion
✓ Fuel Rack Position Feedback & Linkage
✓ Integration with PMS & PLC
✓ Emergency Overspeed Protection Systems

Experienced with ABC, Daihatsu, Bergen, Yanmar, Caterpillar, MTU, Niigata – our team delivers.

🔧 woodward governor specialists

UG · PGA · PEC · ProAct · 2301 · 505 · 723

Mechanical & Hydraulic Governors

✓ Woodward UG8 / UG10 / UG25 – overhaul, calibration, parts
✓ Woodward PGA / PSG – pneumatic & hydraulic governors
✓ Woodward SG / TG – small & large engine governors
✓ Hydraulic actuator repair – cylinders, servos, linkages
✓ Droop adjustment & speed setting
✓ Buffer screw & compensation tuning
✓ Drive conversion & adapter kits

Electronic & Digital Governors

✓ Woodward ProAct – I, II, III, IV, V (electric actuators)
✓ Woodward PEC – programmable electronic controls
✓ Woodward 2301A / 2301D – load sharing & speed control
✓ Woodward 505 / 505E – digital governor for steam/gas turbines
✓ Woodward 723 / 8273 – digital controls for engines
✓ Woodward LS-5 – isochronous load sharing module
✓ Configuration & software tuning – Watch Window, ServLink

⚙️ heinzmann & gac governors

Digital · Analog · Actuators · Controllers

Heinzmann Systems

✓ Heinzmann digital governors – Series 60, 70, 80, 90
✓ Heinzmann analog governors – E6, E16, E36, E46
✓ Heinzmann actuators – EL, ELS, ELT series
✓ Speed sensors & magnetic pickups
✓ Controller programming & tuning
✓ Retrofit kits for mechanical governors
✓ Heinzmann service & spare parts

GAC (Governor America Corp)

✓ GAC digital governors – ESG 100, 200, 300 series
✓ GAC analog governors – ESD 2100, 2200, 2300
✓ GAC actuators – APECS, ACC series
✓ Load sharing modules – LSM series
✓ Speed switches & controllers – SSC, 5210
✓ GAC retrofit & repair services
✓ Calibration & bench testing

🔧 engine makes & governor models

MAN · Wärtsilä · Caterpillar · MTU · Yanmar · Daihatsu · ABC · Bergen · Niigata · Cummins · Deutz

Governor applications by engine

✓ MAN B&W – Woodward UG, PEC, ProAct; Heinzmann; MAN ECS
✓ Wärtsilä – Woodward 2301, ProAct; UNIC integrated control
✓ Caterpillar 3500/3600 – Woodward ProAct, ADEM controls
✓ MTU 4000/8000 – MTU MCS, Woodward, Heinzmann
✓ Yanmar – GAC ESD, Heinzmann, Woodward
✓ Daihatsu – Woodward UG, GAC, Heinzmann
✓ ABC – Heinzmann, Woodward ProAct
✓ Bergen – Woodward UG, PGA, ProAct
✓ Niigata – Woodward, GAC, Heinzmann
✓ Cummins – GAC, Woodward, Cummins ECM
✓ Deutz – Heinzmann, GAC, Woodward
✓ MAK / Rolls-Royce – Woodward ProAct, 2301

Governor components & services

✓ Actuator overhaul – electric, hydraulic, pneumatic
✓ Magnetic pickup (MPU) replacement
✓ Speed sensor calibration & testing
✓ Fuel linkage & rack position feedback
✓ Droop & isochronous tuning
✓ Load sharing module setup (LS-5, 2500)
✓ Controller software update & configuration
✓ Bench testing & calibration rigs
✓ Retrofit mechanical to electronic
✓ Emergency overspeed test & validation
✓ Spare parts supply – all brands

🔄 governor retrofit & conversion

Mechanical to Electronic · Digital Upgrade · Modernization

✓ Retrofit Woodward UG/PGA to ProAct digital – improved stability & response
✓ Heinzmann analog to digital conversion – Series 60 to 90 upgrade
✓ GAC ESD to ESG digital retrofit – programmable speed control
✓ Load sharing module upgrade – from 2301 to LS-5 / GAC LSM
✓ Actuator replacement – hydraulic to electric (ProAct, Heinzmann EL)
✓ Fuel linkage redesign for electronic control
✓ Integration with PLC / PMS / IAS – Modbus, CANbus, analog
✓ HMI for governor monitoring & control
✓ Overspeed protection system upgrade
✓ Class approval support (ABS, DNV, LR, BV)
✓ On-site commissioning & tuning
✓ Spare parts for legacy governors

🔧 governor troubleshooting & repair

On-site diagnostics · Bench testing · Overhaul

Common governor issues

✓ Speed hunting / instability
✓ Droop incorrect / load sharing uneven
✓ Actuator not responding / sticking
✓ Magnetic pickup failure / no signal
✓ Controller error codes / no display
✓ Fuel rack linkage binding
✓ Overspeed trip nuisance trips
✓ Mechanical governor worn components

Our repair services

✓ On-site diagnostics with laptop & software
✓ Governor removal & bench testing
✓ Component-level repair (PCBs, actuators)
✓ Calibration & tuning with dynamometer
✓ Software reflash & configuration
✓ Linkage adjustment & feedback setup
✓ Spare parts supply – genuine & aftermarket
✓ 12-month warranty on repairs

🌍 governor service coverage

Vessels We Serve with Governor Expertise

Vessel types

✓ Tankers (VLCC, Aframax, Product)
✓ Bulk Carriers (Capesize, Panamax)
✓ Container Vessels
✓ LNG / LPG Carriers
✓ Offshore vessels (PSV, AHTS, OSCV)
✓ Drilling Rigs (Jack-up, Semi-sub)
✓ FPSO / FLNG / FSRU
✓ Ro-Ro / PCTC / Car Carriers
✓ Cruise Ships / Ferries
✓ Mega Yachts
✓ Naval vessels
✓ Power barges / offshore platforms

Global service locations

✓ UAE – Dubai, Abu Dhabi, Fujairah
✓ India – Mumbai, Kochi, Chennai, Kandla
✓ Singapore – Jurong, Tuas
✓ Middle East – Qatar, Saudi, Kuwait
✓ Europe – Rotterdam, Hamburg, Piraeus
✓ Asia – South Korea, China, Japan
✓ Africa – Nigeria, South Africa, Egypt
✓ Americas – Houston, Rio, Panama
✓ Worldwide – all major ports and shipyards

⚡ 24/7 governor systems support

Need Generator Governor System
service, repair, or retrofit?

Our governor engineers provide complete overhaul, calibration, troubleshooting, retrofit, and repair services for all generator governor systems – Woodward, Heinzmann, GAC, and more. Available 24/7 worldwide.

Request governor service Email governor engineers

Email: service@seanav.org | Website: www.seanav.org

Generator Governor
Systems (GGS)