Marine engine governor spare parts — Woodward UG governor and internal ballhead in the workshop

● 24–48 HR WORLDWIDE DISPATCH

Marine Governor Spare Parts

Governor spares.
In your port in 48 hours.

Genuine, OEM-equivalent and Alang-reconditioned ballheads, pilot valves, seal kits and actuators for every marine engine governor — Woodward UG, PG, EGB, ProAct, 505 and Regulateurs Europa. Bench-tested and shipped worldwide from Bhavnagar beside the world's largest ship-recycling yard.

WhatsApp for a quote Browse governor brands

WoodwardRegulateurs Europa

Salim Dholia

Founder, Wattmare · marine spare parts sourced at Alang, Bhavnagar

Reviewed & updated18 July 2026

Governor makes

48hr

Emergency dispatch

20+

Countries served

98%

On-time delivery

— Overview

Engine speed control, kept steady from Alang.

Wattmare supplies spare parts for marine engine governors — the mechanical-hydraulic and electronic controls that hold main and auxiliary engines at set speed. Ballheads, pilot valves and actuators are the parts that wear. We hold them genuine, OEM-equivalent and reconditioned for Woodward and Regulateurs Europa, bench-test them and dispatch worldwide in 24–48 hours.

A worn governor hunts, drifts or refuses fuel, and can even overspeed an engine — so it's a part that has to be right. From our base beside Alang we recover and recondition governors from decommissioned ships, rebuild the ballhead and hydraulics, and bench-set every unit before it ships — a fast, cost-effective route to steady governing.

For recovered parts from ships dismantled at Alang, see our reconditioned marine spare parts; for a governor down with a vessel to move, our emergency desk dispatches in 24–48 hours; and for the full story, our Alang ship spare parts guide.

How Alang reconditioning works

Woodward marine engine governor — genuine and reconditioned spare parts

01 / THREE GOVERNOR BRANDS

Woodward spare parts

The dominant marine governor brand. The mechanical-hydraulic UG range (UG-8, UG-10, UG-15, UG-25+, UG-40) governs medium-speed engines the world over; the PGA/PG-EG/PGG and EGB add hydraulic power and electric control; and the ProAct actuators with 505 and 723 digital controls cover modern and retrofit installs. We hold ballheads, pilot valves, seals, actuators and control boards for all.

Type

Mechanical-hydraulic & electronic

Mechanical

UG-8 · UG-10 · UG-40

Hydraulic/electric

PGA · PG-EG · EGB

Electronic

ProAct · 505 · 723

UG-8UG-10UG-40PGA-EGEGB-2PProAct II

View Woodward parts

Regulateurs Europa marine engine governor — genuine and reconditioned spare parts

02 / THREE GOVERNOR BRANDS

Regulateurs Europa spare parts

The leading European marine governor maker (UK / Netherlands) and a Woodward-compatible alternative on many engines. The hydraulic 1100 series (1102-4G, 1115-4G) and 6000 / 6100 series govern medium-speed engines, while the Viking 25 / 35 / 45 range brings electronic actuation and control. We supply ballheads, pilot valves, terminal shafts, seal kits and Viking actuators.

Type

Hydraulic & electronic

Hydraulic

1100 · 6000 / 6100

Electronic

Viking 25 / 35 / 45

Note

Woodward-compatible

1100-4G1102-4G1115-4G6100Viking 25Viking 35

View Regulateurs Europa parts

03 / THREE GOVERNOR BRANDS

Yanmar governor spare parts

Yanmar medium-speed marine engines are governed by a mix of Yanmar’s own mechanical speed governors and bought-in units, most commonly Diesel Kiki and Woodward types specified for the engine. Because the governor is what holds an engine on load, worn linkage, ballhead and pilot-valve components show up as hunting, overspeed trips and poor load sharing between generators. We supply governor spares, drive components and complete reconditioned units for the N-series, EY-series and older GL and KFL Yanmar engines, and we identify the correct governor from the engine and serial before quoting.

Type

Mechanical & hydraulic

Fitted to

Yanmar marine diesels

Fault signs

Hunting · overspeed

Engines

N · EY · GL · KFL

6N18AL6N21AL6EY18AL6EY22AL6GL6KFL

View Yanmar governor parts

Bench-set to the drawing

Every governor, proven on the stand.

A marine governor — stripped, ballhead and pilot valve inspected, bearings and seals renewed, hydraulics rebuilt, then run on a test stand and set for stable governing.

Reconditioned Woodward marine governor — rebuilt ballhead and hydraulics, bench-tested

One governor, held to the drawing. Rebuilt, re-sealed, bench-set, run-tested — the same standard across every ballhead, pilot valve and actuator we dispatch.

Find your part

Tell us the governor — get a quote.

Pick the make, add the model and the part you need. We check stock and our Alang-sourced pool and reply, usually the same day. For a vessel down, this goes straight to our emergency desk.

💬 Have the nameplate? A photo of the governor plate + part is the fastest quote.

Governor brand Model / frame no. (e.g. UG-8, UG-40, EGB-2P, Viking 25) Part needed Details / part number (optional) Get my quote on WhatsApp

What we supply

Every governor wear part.

The parts that wear on a marine engine governor — held genuine, OEM-equivalent and Alang-reconditioned at our Bhavnagar facility, ready for 24–48 hour worldwide dispatch.

Speed sensing

Ballhead / flyweight assy

The rotating flyweight ballhead that senses engine speed — the heart of a mechanical governor.

Hydraulic

Pilot valve & bushing

The pilot-valve plunger and bushing that port oil to the power piston.

Output servo

Power piston

The servo power piston that drives the fuel rack in response to the pilot valve.

Engine input

Drive shaft & gear

The governor drive shaft, gear and coupling taken off the engine.

Fuel linkage

Terminal / output shaft

The terminal shaft and lever that connect the governor to the fuel linkage.

Setpoint

Speeder spring & setting

Speeder springs and the speed-adjusting mechanism that set engine rpm.

Stability

Compensation needle valves

Compensating needle valves and buffer / dashpot parts that stabilise governing.

Rotating

Bearings & bushings

Ballhead bearings, shaft bushings and thrust parts.

Overhaul

Seal & gasket kit

The complete O-ring, seal and gasket kit for a governor overhaul.

Electric

Actuator & solenoid

ProAct / EGB / Viking actuator coils, solenoids and linkages.

Electronic

Control PCB & MPU

505 / 723 / ProAct control boards and magnetic speed pickups (MPU).

Hydraulic

Oil pump & accumulator

The internal oil pump, relief valve and accumulator spring.

Marine engineers servicing ship machinery in a ship engine room

Marine engineers, not a parts desk

Quoted by people who know this equipment.

Every enquiry is handled by engineers who work on marine governors every day — so the part you're quoted is correctly specified for your exact model and frame, the first time. For a vessel down, that expertise is on your WhatsApp within the hour.

Talk to an engineer

Buyer's guide

How to order the right governor part.

Six steps from a worn component to the correct part crated for your vessel — the workflow our desk uses on every enquiry.

Identify the unit

Read the nameplate on the governor or in the ship's papers — maker, series and frame number. Licence-built units use the identical OEM nomenclature, so the plate never limits sourcing.

Pin the exact part

Give the OEM part number if you have it, or a clear name plus key measurements. A nameplate photo and a photo of the worn part are the fastest route to a firm quote.

Choose the grade

Match provenance to criticality — Alang-reconditioned for high-wear and legacy items, OEM-equivalent for consumables, genuine for class-critical parts. All three meet the maker's tolerances.

Confirm class needs

Tell us the vessel's classification society if the part must be presented for survey — we supply maker/material certificates on new parts and measurement/NDT reports on reconditioned parts.

Plan the lead time

Planned-maintenance orders ship on schedule; for a breakdown our emergency desk dispatches in 24–48 hours to any major port.

Get a firm quote

Send it all on WhatsApp. We check stock and our Alang-sourced pool, confirm condition and price, and reply — usually the same day.

Governor range

The makes we cover, at a glance.

Series-level coverage across the two leading marine governor makers — mechanical-hydraulic and electronic. Send the governor model from the tag and the engine it governs, and we match the ballhead, pilot valve, seal kit or actuator exactly.

Marine engine governor makers, series and type supplied by Wattmare
Maker	Series	Type	Status
Woodward	UG-8 · UG-10 · UG-15 · UG-40	Mechanical-hydraulic	Current + legacy
Woodward	PGA · PG-EG · PGG · EGB	Hydraulic power / electric-hydraulic	Current + legacy
Woodward	ProAct · TG · 505 · 723	Electric actuators & digital control	Current
Regulateurs Europa	1100 · 6000 / 6100	Hydraulic governor	Current + legacy
Regulateurs Europa	Viking 25 / 35 / 45	Electronic actuator & control	Current

Genuine · OEM-equivalent · Reconditioned

Three grades, one standard of fit.

Every governor part we supply meets the maker's dimensional tolerances — the difference is provenance, documentation and cost. We help you match the grade to the criticality of the job.

Genuine OEM

Made by the original governor maker or its licensed builders, with full OEM traceability and maker certificates.

Highest assurance

Best for
Critical / class-required items

OEM-equivalent

Manufactured to the same drawings, materials and tolerances by specialist suppliers — at lower cost.

Same fit, lower cost

Best for
High-wear consumables

Reconditioned · Alang

Genuine governor components recovered from decommissioned units and restored to within OEM limits, with an NDT report.

30–60% below new

Best for
Legacy & obsolete units

Marine part being measured with precision gauges in a reconditioning workshop

Alang reconditioning

Governors,
rebuilt and bench-set.

A governor has to be proven, not just cleaned. We strip, inspect the ballhead and pilot valve, renew bearings and seals, rebuild the hydraulics and bench-set every unit for stable governing before it ships.

How Alang reconditioning works

Step 1

Strip the governor

The unit is dismantled and the ballhead, pilot valve, springs and hydraulics laid out.

Step 2

Inspect ballhead & pilot

Flyweights, pins, the pilot valve and power piston are inspected against wear limits.

Step 3

Renew bearings & seals

Bearings, bushings and the full seal kit are renewed to the maker's spec.

Step 4

Rebuild the hydraulics

The oil pump, needle valves and buffer are rebuilt and set.

Step 5

Bench-set on a test stand

The governor is run on a test stand and the droop, speed and compensation set.

Step 6

Run-test & document

It is proven for stable governing and ships with a test report and settings.

Overhaul & inspection

When each governor part is due.

Governor service follows behaviour — hunting, drift, leaks — more than a fixed hour. This is the usual order of what wears, what we inspect and the typical action.

Typical marine governor inspection and overhaul actions
Component	Typical trigger	What we inspect	Typical action
Ballhead / flyweights	Major overhaul / drift	Wear, play	Renew the assembly
Pilot valve	On hunting	Wear, scoring	Overhaul or renew
Seals & gaskets	Every overhaul	Leaks	Renew the kit
Speeder spring	On overspeed	Fatigue	Renew
Actuator coil (electric)	On fault	Resistance	Test / renew
Speed pickup (MPU)	On erratic control	Gap, signal	Adjust / renew
Internal oil pump	On low pressure	Wear	Overhaul

Governor type

Mechanical-hydraulic or electronic?

Marine governors are either mechanical-hydraulic or electronic. Which you have decides the spares — ballheads and pilot valves, or actuators and control boards. We supply both, and the retrofit parts between them.

Mechanical-hydraulic versus electronic marine governors
Aspect	Mechanical-hydraulic (UG / PG / 1100)	Electronic (505 / ProAct / Viking)
Speed sensing	Rotating flyweight ballhead	Magnetic pickup (MPU) + controller
Output	Hydraulic power piston	Electric actuator (ProAct / EGB / Viking)
Tuning	Needle valves & springs	Software PID
Typical	Older & medium-speed engines	Modern engines & retrofits
Spare parts	Ballhead, pilot valve, seals	Actuator coil, PCB, MPU

Reconditioned marine spare parts crated and labelled for global export in a warehouse

Enquiry → 48-hour delivery

From your nameplate to your deck.

A single WhatsApp gets a vessel-down enquiry moving. Here is the path from your first message to the part in your engineer's hands.

Send your enquiry

Share the governor make, model / frame number and the part — a nameplate photo or OEM part number is ideal. WhatsApp is fastest for a vessel down.

We locate & quote

We check stock and our Alang-sourced pool, confirm condition (genuine / OEM-equivalent / reconditioned) and send a firm quote, usually the same day.

Inspect & document

The part is measured, crack-tested where required and tagged with its model and traceable batch, with an NDT/measurement report.

Dispatch in 24–48 hr

We ship to your port worldwide and coordinate with the local agent for customs clearance and last-mile delivery to the vessel.

Class & documentation

Survey-ready parts for every IACS society.

Genuine and OEM-equivalent parts ship with maker and material certificates; reconditioned parts carry measurement and NDT reports so the attending surveyor can accept them. Our governor parts suit units classed with all major societies.

DNVLloyd's RegisterABSBureau VeritasClassNKRINACCSKR

— Where we deliver

Governor parts, to every major port.

We dispatch worldwide from India and coordinate delivery through local port agents. Explore our supply into the regions where our customers trade.

20+ countries50+ ports24–48 hr dispatch

India

Bhavnagar · Mumbai · Chennai · Kandla

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to India through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in India

UAE & Gulf

Jebel Ali · Fujairah · Khor Fakkan

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to UAE and Gulf through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in UAE & Gulf

Singapore

Singapore · Jurong · SE Asia

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to Singapore through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in Singapore

Greece

Piraeus · Thessaloniki

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to Greece through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in Greece

Egypt

Port Said · Suez · Alexandria

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to Egypt through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in Egypt

Turkey

Tuzla · Istanbul · Izmir

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to Turkey through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in Turkey

China

Shanghai · Ningbo · Qingdao

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to China through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in China

Netherlands

Rotterdam · Amsterdam

We dispatch marine governor spares from Bhavnagar, beside the Alang ship-recycling yard, to Netherlands through local port agents — genuine, OEM-equivalent and Alang-reconditioned, landed in 24–48 hours.

Governor parts in Netherlands

Brand & model index

Find your governor.

Each governor make has its own dedicated page with the full model list and part coverage. Pick your make to see specific models.

Woodward Regulateurs Europa

Symptoms & causes

Common governor faults.

The symptoms our desk is asked about most — and the parts they point to. Send the governor model and the behaviour (hunting, drift, leak) for a firm quote.

Compensation

Hunting / surging

Engine speed hunts — a mis-set compensation needle or worn buffer. Adjust or renew.

Worn pilot valve

Slow load response

Sluggish to take load — a worn pilot valve or low governor oil. Overhaul the valve.

Ballhead wear

Won't hold speed

Speed drifts — worn flyweight pins or bearings. Renew the ballhead assembly.

Perished seals

Oil leak

The governor is weeping oil — shaft seals and gaskets. Renew the seal kit.

ballhead and springs of marine engine governor

Spring / linkage

Won't take fuel / overspeed

No fuel or an overspeed — a broken speeder spring or linkage. Renew the parts.

electronic actuator of marine engine governor

Coil / solenoid

Actuator not moving

An electronic governor won't actuate — ProAct / EGB coil or driver. Test and renew.

Sensor / PCB

Erratic control

Unstable on the digital control — the MPU speed pickup or a control board. Diagnose and renew.

Oil pump wear

Weak servo action

Slow, weak response — a worn internal oil pump. Overhaul the pump.

— Who we supply

Every propulsion fleet afloat.

From capesize bulkers to feeder container ships, we supply the crews and technical managers who keep merchant tonnage trading. Explore parts by vessel type.

Tankers

VLCCs, Suezmax & Aframax crude and product tankers

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for tankers — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for tankers

Bulk Carriers

Capesize, Panamax & Handysize ore and grain carriers

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for bulk carriers — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for bulk carriers

Container Ships

Feeder, Panamax & ULCV vessels worldwide

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for container ships — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for container ships

LNG / LPG Carriers

Membrane & Moss-type gas carriers

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for lng / lpg carriers — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for lng / lpg carriers

Offshore Support

AHTS, PSV, OSV, FPSO & jack-up rigs

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for offshore support — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for offshore support

Cruise and Ferries marine governor spare parts — Cruise ships and coastal ferries

Cruise & Ferries

Cruise ships & coastal ferries

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for cruise and ferries — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for cruise and ferries

General Cargo

Multipurpose, breakbulk & project-cargo ships

Genuine, OEM-equivalent and Alang-reconditioned marine governor spares for general cargo — dispatched from Bhavnagar to any port worldwide in 24–48 hours.

Governor parts for general cargo

Questions, answered

Marine governor spares — your questions.

The questions technical managers and chief engineers ask us most about engine governor parts.

Which marine governor brands and models do you supply?

Woodward (UG-8, UG-10, UG-15, UG-40, PGA, PG-EG, PGG, EGB, ProAct, TG, 505, 723) and Regulateurs Europa (1100, 6000/6100 and Viking 25/35/45). For each we hold ballheads, pilot valves, terminal shafts, speeder springs, seal kits, actuators and control boards — genuine, OEM-equivalent and reconditioned.

Can you supply parts for a Woodward UG-8 governor?

Yes — the UG-8 is the most common marine mechanical governor and we carry the full parts range: ballhead assembly, pilot valve, power piston, speeder spring, compensation needle valves, bearings and the complete seal kit. Send the exact variant (UG-8, UG-8L, UG-8 Dial, UG-8 Lever) for a firm quote.

What's the difference between a mechanical and an electronic governor?

A mechanical-hydraulic governor (Woodward UG/PG, Regulateurs Europa 1100) senses speed with a rotating flyweight ballhead and drives the fuel rack hydraulically. An electronic governor (Woodward 505/ProAct, Europa Viking) uses a magnetic speed pickup and a controller driving an electric actuator. The spares are completely different — we stock both.

Do you bench-set reconditioned governors before shipping?

Yes. A reconditioned governor is stripped, the ballhead and pilot valve inspected, bearings and seals renewed, then run on a test stand where the droop, speed and compensation are set — so it arrives ready to fit, with a test report.

Are reconditioned governor parts reliable?

Yes. Alang-recovered governors are dismantled, worn ballheads and valves replaced, seals renewed and the unit bench-tested for stable governing. A governor either holds speed on the test stand or it doesn't — every reconditioned unit ships proven, typically 30–60% below new.

Do you deliver governor parts worldwide?

Yes. We dispatch from India through local port agents. Common destinations include UAE, Singapore and Europe. A vessel-down governor or actuator ships in 24–48 hours.

Is Regulateurs Europa interchangeable with Woodward?

On many engines Regulateurs Europa governors are a direct hydraulic-and-mounting alternative to the equivalent Woodward, which is why both are widely fitted. Tell us the engine and the governor mounting and drive, and we confirm the right unit and parts.

Who is the best marine governor spare parts supplier in India?

Wattmare, in Bhavnagar beside Alang. We supply genuine, OEM-equivalent and reconditioned ballheads, pilot valves, seal kits and actuators for Woodward and Regulateurs Europa governors, bench-tested and dispatched worldwide in 24–48 hours.

Governor terms

The parts, in plain terms.

A quick reference to the governor components and terms that come up when you order parts.

Governor

The device that holds an engine at set speed by adjusting the fuel rack as load changes — mechanical-hydraulic or electronic.

Ballhead

The rotating flyweight assembly that senses engine speed in a mechanical governor. The primary wear part.

Pilot valve

The small hydraulic valve that ports oil to the power piston in response to a speed change.

Power piston

The hydraulic servo piston whose movement drives the engine's fuel rack.

Droop

The small drop in set speed as load increases — the setting that lets governors share load in parallel.

Speeder spring

The spring the ballhead works against; adjusting it sets the target engine speed.

Actuator

The electric output device (Woodward ProAct/EGB, Europa Viking) that moves the fuel rack on an electronic governor.

MPU

Magnetic pickup — the speed sensor that reads a toothed wheel and feeds engine rpm to an electronic governor.

Marine engineer servicing ship machinery in the engine room — request a spare parts quote

Vessel down? Start here.

Get a governor parts quote — usually the same day.

Send the governor model and the part. For a critical breakdown we dispatch in 24–48 hours to any port worldwide.

WhatsApp for a quote Emergency parts desk

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Marine Engine Governor Spare Parts Supplier — Woodward UG-8/UG-40/PGA/EGB/505/ProAct and Regulateurs Europa ballheads, pilot valves & actuators

Governor spares.In your port in 48 hours.

Engine speed control, kept steady from Alang.

Woodward spare parts

Regulateurs Europa spare parts

Yanmar governor spare parts

Every governor, proven on the stand.

Tell us the governor — get a quote.

Every governor wear part.

Ballhead / flyweight assy

Pilot valve & bushing

Power piston

Drive shaft & gear

Terminal / output shaft

Speeder spring & setting

Compensation needle valves

Bearings & bushings

Seal & gasket kit

Actuator & solenoid

Control PCB & MPU

Oil pump & accumulator

Quoted by people who know this equipment.

How to order the right governor part.

Identify the unit

Pin the exact part

Choose the grade

Confirm class needs

Plan the lead time

Get a firm quote

The makes we cover, at a glance.

Three grades, one standard of fit.

Genuine OEM

OEM-equivalent

Reconditioned · Alang

Governors,rebuilt and bench-set.

Strip the governor

Inspect ballhead & pilot

Renew bearings & seals

Rebuild the hydraulics

Bench-set on a test stand

Run-test & document

When each governor part is due.

Mechanical-hydraulic or electronic?

From your nameplate to your deck.

Send your enquiry

We locate & quote

Inspect & document

Dispatch in 24–48 hr

Survey-ready parts for every IACS society.

Governor parts, to every major port.

India

UAE & Gulf

Singapore

Greece

Egypt

Turkey

China

Netherlands

Find your governor.

Common governor faults.

Hunting / surging

Slow load response

Won't hold speed

Oil leak

Won't take fuel / overspeed

Actuator not moving

Erratic control

Weak servo action

Every propulsion fleet afloat.

Tankers

Bulk Carriers

Container Ships

LNG / LPG Carriers

Offshore Support

Cruise & Ferries

General Cargo

Marine governor spares — your questions.

The parts, in plain terms.

Governor

Ballhead

Governor spares.
In your port in 48 hours.

Governors,
rebuilt and bench-set.