Lombardini – NEW Lombardini LMG18000 16kW 20kVA 3-Phase 400V/50Hz Marine Diesel Generator

Description

New Lombardini LMG18000 16 kW 20 kVA Three-Phase 400V/50Hz Marine Diesel Generator For Sale

Reliable 20 kVA Three-Phase Marine Power for Yachts and Professional Vessels

The New Lombardini LMG18000 16 kW 20 kVA Three-Phase 400V/50Hz Marine Diesel Generator is a compact, sound-enclosed marine diesel generator designed to provide dependable onboard electricity for motor yachts, large sailing yachts, cruising catamarans, passenger vessels, workboats, fishing vessels, and other professional marine applications.

Powered by the proven Lombardini LDW 1404 MG diesel engine, the LMG18000 combines a four-cylinder diesel platform, water-cooled synchronous alternator, automatic voltage regulation, full-water marine cooling, remote-control operation, and automatic engine-protection systems in one integrated generator package.

The generator provides 20 kVA or 16 kW of electrical power through a 400/230V three-phase electrical system operating at 50 Hz. Its electrical capacity makes it suitable for compatible marine air-conditioning systems, refrigeration equipment, battery chargers, water makers, pumps, ventilation systems, commercial galley equipment, navigation electronics, lighting, communication equipment, and other essential onboard loads.

The LMG18000 provides greater electrical capacity than the smaller LMG14000 while retaining the compact engineering and practical installation characteristics associated with the Lombardini LMG generator range. Its combination of three-phase output, compact dimensions, sound attenuation, remote monitoring, and full-water cooling makes it a practical onboard marine power solution for vessels with moderate to demanding electrical requirements.

Selecting the correct marine generator requires more than comparing its maximum output with the combined wattage of the vessel’s equipment. Continuous electrical demand, motor and compressor startup loads, phase balance, installation dimensions, ventilation, seawater supply, exhaust routing, fuel-system requirements, expected operating hours, and future electrical upgrades should all be considered before purchase.

Purpose-Built Lombardini LMG Marine Engineering

The Lombardini Marine LMG generator range is developed specifically for onboard electrical power generation. Unlike portable generators or general-purpose industrial generator sets adapted for marine use, the LMG18000 integrates a marine diesel engine, water-cooled alternator, heat-exchanger cooling system, wet-exhaust arrangement, remote controls, automatic shutdown protection, and acoustic enclosure.

The generator is engineered for marine operating conditions that may include:

• Continuous vessel vibration
• Salt-laden air
• High humidity
• Restricted machinery-space ventilation
• Changing electrical demand
• Vessel movement and inclination
• Extended operation away from shore power
• Continuous use of essential onboard equipment

The LMG18000 uses the Lombardini LDW 1404 MG four-cylinder diesel engine. The engine has approximately 1,372 cm³ of displacement, develops around 22.5 kW of mechanical power, and operates at 3000 RPM in the standard 50 Hz configuration. (Lombardini Marine)

The LDW 1404 MG belongs to Lombardini’s compact FOCS engine family. This engine platform is designed to provide compact dimensions, reduced operating noise, low vibration, efficient combustion, and practical installation aboard recreational and professional vessels.

Customers evaluating the Lombardini LMG18000 price should consider more than the initial purchase amount. Electrical capacity, engine durability, three-phase output, full-water cooling, sound enclosure, remote monitoring, installation compatibility, service access, and long-term technical support all contribute to the generator’s overall value.

Proven Four-Cylinder Lombardini Diesel Performance

The LMG18000 is powered by a liquid-cooled, four-cylinder, four-stroke Lombardini diesel engine engineered to provide dependable mechanical power for sustained onboard electricity generation.

The engine configuration includes:

• Four cylinders in line
• Four-stroke diesel operation
• Approximately 1,372 cm³ displacement
• Approximately 22.5 kW engine output
• 3000 RPM rated operating speed
• Indirect cooling through a marine heat exchanger
• 12V electric-starting system
• Remote-controlled starting and stopping

The four-cylinder configuration provides smooth power delivery and helps reduce vibration compared with smaller single-cylinder or twin-cylinder generator platforms. Its 22.5 kW mechanical output provides sufficient capacity to produce 16 kW of usable electrical power while maintaining a compact overall generator package. (Lombardini Marine)

Potential advantages of the four-cylinder diesel platform include:

• Smooth generator operation
• Reduced engine vibration
• Compact marine installation
• Reliable power under changing electrical loads
• Practical routine maintenance
• Proven Lombardini diesel technology
• Suitability for recreational and professional vessels

A correctly sized diesel marine generator allows vessel owners to operate important electrical equipment while cruising, remaining at anchor, or working offshore without relying on marina electricity.

It may also reduce the need to operate the vessel’s propulsion engines solely for battery charging or auxiliary electrical production.

20 kVA and 16 kW Three-Phase Electrical Output

Understanding the difference between kVA and kW is important when evaluating a three-phase marine generator.

The Lombardini LMG18000 provides:

Electrical Specification	Rating
Apparent Power	20 kVA
Active Power	16 kW
Voltage	400/230V
Frequency	50 Hz
Electrical Configuration	Three Phase
Operating Speed	3000 RPM
Starting System	12V Electric Start

The 20 kVA rating represents apparent electrical power, while the 16 kW rating represents active electrical power available under the manufacturer’s specified operating conditions. The generator is configured for three-phase AC output at 400/230V and 50 Hz. (Lombardini Marine)

The vessel’s normal electrical demand should remain within the generator’s approved operating capacity while allowing reasonable reserve for temporary load increases and equipment startup requirements.

Equipment containing compressors or electric motors may require substantially more current during startup than during normal operation. This commonly applies to:

• Marine air-conditioning compressors
• Refrigeration equipment
• Water makers
• Freshwater and seawater pumps
• Ventilation motors
• Hydraulic power units
• Battery chargers
• Commercial galley equipment

Selecting a generator that is too small may result in:

• Electrical overload
• Voltage instability
• Difficulty starting motors and compressors
• Excessive operating temperature
• Frequent protective shutdowns
• Reduced generator service life

However, selecting a generator that is substantially larger than required may result in prolonged operation under very light load. A professional marine electrical load assessment helps balance continuous demand, startup requirements, operating reserve, and long-term efficiency.

Stable 400/230V Three-Phase Marine Power

The LMG18000 is designed for vessels requiring dependable 400/230V three-phase marine power. Three-phase electrical systems are commonly used aboard larger yachts and professional vessels because they distribute electricity efficiently to compatible motors, pumps, compressors, refrigeration systems, and auxiliary machinery.

The generator may support compatible equipment such as:

• Marine air-conditioning systems
• Refrigeration and freezer equipment
• High-capacity battery chargers
• Seawater and freshwater pumps
• Water-making equipment
• Ventilation and extraction systems
• Commercial galley equipment
• Navigation electronics
• Communication systems
• Vessel-monitoring equipment
• Auxiliary electric motors
• Workshop machinery

Single-phase 230V loads may also be supplied through a correctly designed three-phase distribution system. However, loads should be balanced appropriately across the phases because excessive imbalance may reduce usable generator capacity and affect electrical stability.

Before installation, a qualified marine electrician should verify:

• Generator voltage
• Electrical frequency
• Phase rotation
• Phase-load balance
• Cable sizes
• Earthing and bonding
• Circuit protection
• Switchboard compatibility
• Shore-power integration
• Transfer-switch configuration

Professional electrical design and commissioning are important for dependable long-term operation and the protection of connected vessel equipment.

Synchronous Water-Cooled Alternator with AVR

The LMG18000 uses a synchronous marine alternator with brushes, water cooling, and an automatic voltage regulator. The AVR helps maintain consistent output voltage as connected electrical demand changes. (Lombardini Marine)

Stable voltage is important for vessels operating equipment such as:

• Navigation electronics
• Communication systems
• Battery chargers
• Refrigeration controllers
• Vessel-monitoring equipment
• Electric motors
• Galley appliances
• Entertainment systems

The alternator is integrated into the generator’s full-water cooling system. Seawater indirectly cools the external walls of the alternator stator, helping manage heat during sustained operation in enclosed machinery spaces.

The water-cooled alternator design can contribute to:

• Stable alternator temperature
• Reliable electrical production
• Reduced heat release into the machinery space
• Consistent operation under changing loads
• Improved suitability for enclosed marine installations

Stable onboard electricity depends on the complete electrical installation rather than the alternator alone. Cable sizing, grounding, circuit protection, phase balance, switchboard design, and load management all influence final electrical performance.

Full-Water Marine Cooling System

A major feature of the LMG18000 is its full-water marine cooling system, which includes both the engine and alternator.

Through a dedicated marine cooling circuit, seawater helps cool:

• The engine’s freshwater cooling circuit
• Engine lubricating oil
• External alternator-stator surfaces
• Water-cooled exhaust components

This integrated cooling arrangement helps control operating temperatures inside restricted machinery spaces and supports dependable generator performance under sustained electrical demand. (Lombardini Marine)

A properly maintained marine generator cooling system supports:

• Stable engine temperature
• Reliable alternator operation
• Efficient heat transfer
• Reduced thermal stress
• Consistent electrical output
• Longer generator service life

Routine maintenance should include inspection of:

• Raw-water intake
• Seawater strainer
• Raw-water pump impeller
• Cooling-water flow
• Engine coolant level and condition
• Heat-exchanger components
• Cooling hoses and clamps
• Oil-cooling system
• Wet-exhaust connections
• Exhaust elbow

Restricted seawater flow, a blocked strainer, damaged impeller, insufficient coolant, or inadequate machinery-space ventilation may cause overheating even when the generator is operating within its rated electrical capacity.

Where the generator is installed below the vessel’s waterline, the seawater and wet-exhaust arrangement should be evaluated for siphoning risk. A correctly installed siphon break may be required depending on the vessel configuration.

Remote-Control Panel and Automatic Generator Protection

The LMG18000 is supplied with a remote-control box and approximately 15 metres of plug-in cable. This allows the generator to be started, stopped, and monitored from a convenient position outside the machinery space. (Lombardini Marine)

The control system includes automatic shutdown protection for important engine operating conditions.

Monitoring and protection functions include:

• Generator output-voltage display
• Generator output-current display
• Engine-starting battery voltage
• Generator operating-hour display
• Low engine-oil pressure warning
• High cooling-water temperature warning
• Automatic protective shutdown

The operating-hour display helps vessel owners and engineers track generator use and plan routine maintenance according to the recommended service schedule.

An additional remote-control box may also be available where generator operation is required from more than one location aboard the vessel. (Lombardini Marine)

Automatic protection systems provide valuable safeguards but do not replace routine inspection. Engine oil, coolant, seawater flow, fuel supply, filters, belts, electrical connections, and exhaust components should still be inspected regularly.

Soundproof Enclosure for Improved Onboard Comfort

The Lombardini LMG18000 is supplied in a compact soundproof marine generator enclosure designed to reduce airborne engine and alternator noise.

The acoustic enclosure helps reduce:

• Diesel-engine operating noise
• Alternator noise
• Mechanical generator noise
• Machinery-space sound transmission
• Noise reaching cabins and living areas

The published dry weight of the LMG18000 with its soundproof enclosure is approximately 224 kg. (Lombardini Marine)

A properly installed quiet marine generator should also include:

• Flexible anti-vibration mounts
• Correct machinery-space ventilation
• Properly supported hoses and electrical cables
• A professionally designed wet-exhaust system
• Suitable machinery-space insulation
• Adequate maintenance clearance

Final onboard noise depends on the complete installation. Hull construction, mounting quality, exhaust routing, ventilation openings, compartment insulation, and structural vibration transmission all influence acoustic performance.

Practical Installation and Service Features

The LMG18000 includes several features intended to simplify onboard installation and routine maintenance.

Standard equipment includes:

• Electric engine-stop system
• Flexible rubber anti-vibration mounts
• Engine oil-extraction pump
• Remote-control panel
• 15-metre plug-in control cable
• Automatic engine-protection system
• Full-water cooling
• Water-cooled alternator
• Marine heat exchanger
• Soundproof enclosure

Before installation, the vessel’s engineering team should verify:

• Overall generator dimensions
• Dry and operating weight
• Mounting-point locations
• Machinery-space access
• Maintenance clearances
• Ventilation requirements
• Seawater inlet position
• Wet-exhaust routing
• Fuel supply and return
• Electrical cable access
• Remote-panel cable routing
• Lifting and future removal space

When replacing an existing boat generator, matching only the electrical output is not sufficient. Voltage, frequency, phase configuration, dimensions, weight, mounting arrangements, cooling requirements, exhaust routing, fuel-system compatibility, and switchboard integration should also be reviewed.

A professional installation assessment can reduce unexpected modifications and help ensure dependable long-term operation.

Applications of the Lombardini LMG18000

Motor Yachts

The generator may support compatible air-conditioning systems, refrigeration equipment, battery chargers, water makers, pumps, galley appliances, lighting, entertainment systems, and navigation electronics.

Large Sailing Yachts and Catamarans

The LMG18000 can provide dependable auxiliary marine power for refrigeration, battery charging, freshwater systems, navigation equipment, communication systems, climate-control equipment, and onboard domestic loads.

Workboats and Professional Craft

The generator may serve as a compact commercial marine generator for pumps, refrigeration, communication equipment, lighting, ventilation systems, workshop equipment, and routine operating loads.

Passenger and Hospitality Vessels

The LMG18000 may support compatible ventilation equipment, refrigeration, galley systems, passenger lighting, charging equipment, and onboard service systems.

Fishing Vessels

The generator may provide electricity for refrigeration, pumps, navigation electronics, communication equipment, deck-support systems, and lighting.

Marine Refit Projects

The LMG18000 may be suitable for replacing an ageing, undersized, inefficient, or unreliable generator, provided the vessel’s electrical and mechanical installation requirements are compatible.

Technical Specifications of the Lombardini LMG18000

Specification	Details
Brand	Lombardini Marine
Generator Series	LMG
Generator Model	LMG18000
Generator Category	Marine Diesel Generator
Apparent Power	20 kVA
Active Power	16 kW
Voltage	400/230V
Frequency	50 Hz
Electrical Configuration	Three Phase
Operating Speed	3000 RPM
Engine Manufacturer	Lombardini
Engine Model	LDW 1404 MG
Engine Configuration	Four Cylinders, Inline
Engine Cycle	Four-Stroke Diesel
Engine Displacement	1,372 cm³
Engine Power	Approximately 22.5 kW
Starting System	12V Remote-Controlled Electric Start
Alternator Type	Synchronous with Brushes
Voltage Regulation	AVR
Alternator Cooling	Water Cooled
Engine Cooling	Indirect Heat Exchanger
Cooling Configuration	Full-Water Cooling
Exhaust System	Marine Wet Exhaust
Remote-Control Panel	Standard
Remote-Control Cable	Approximately 15 Metres
Sound Enclosure	Included
Approximate Enclosed Weight	224 kg
Application	Yacht, Workboat and Professional Marine Use

The LMG18000 is officially specified with 20 kVA or 16 kW electrical output, 400/230V three-phase power, 50 Hz frequency, a Lombardini LDW 1404 MG four-cylinder engine, 1,372 cm³ displacement, 22.5 kW engine output, water-cooled alternator, remote control, and an enclosed weight of approximately 224 kg. (Lombardini Marine)

Genuine Lombardini Marine Generator Supply and Worldwide Support

Customers looking for the New Lombardini LMG18000 16 kW 20 kVA Three-Phase 400V/50Hz Marine Diesel Generator for sale can contact our marine generator specialists for current availability, technical guidance, configuration information, and international delivery assistance.

We support customers with:

• Genuine Lombardini marine generator supply
• Electrical-load and generator-sizing guidance
• Marine application recommendations
• Replacement-generator assessments
• Technical documentation
• Export documentation
• Worldwide shipping arrangements
• After-sales customer assistance

Whether you are completing a yacht refit, upgrading a commercial vessel, or installing a new three-phase onboard power system, selecting the correct generator configuration can reduce installation challenges and improve long-term operating reliability.

Frequently Asked Questions

What is the Lombardini LMG18000 price?

The Lombardini LMG18000 price depends on current availability, selected installation equipment, shipping destination, export requirements, and delivery arrangements. Contact our team for an updated quotation.

How much electrical power does the LMG18000 provide?

The generator provides 20 kVA or 16 kW of electrical power. (Lombardini Marine)

Is the LMG18000 a three-phase generator?

Yes. The LMG18000 provides 400/230V three-phase AC electricity at 50 Hz. (Lombardini Marine)

What engine is used in the LMG18000?

The generator uses the Lombardini LDW 1404 MG, a four-cylinder diesel engine with approximately 1,372 cm³ displacement and 22.5 kW of engine output. (Lombardini Marine)

What is the generator’s operating speed?

The standard 50 Hz LMG18000 operates at 3000 RPM. (Lombardini Marine)

Does the LMG18000 use automatic voltage regulation?

Yes. The synchronous alternator uses an automatic voltage regulator to help maintain consistent electrical output as connected demand changes. (Lombardini Marine)

Is the engine and alternator water cooled?

Yes. The generator uses a full-water cooling system that includes both the engine and alternator. (Lombardini Marine)

Does it include a remote-control panel?

Yes. The generator is supplied with a remote-control box and approximately 15 metres of plug-in cable. (Lombardini Marine)

Is the LMG18000 sound enclosed?

Yes. The published weight of approximately 224 kg applies to the sound-enclosed configuration. (Lombardini Marine)

Can it replace an existing marine generator?

Yes. It may be suitable for a marine generator replacement when power output, voltage, frequency, phase configuration, dimensions, mounting, cooling, exhaust, fuel, and switchboard requirements are compatible.

Is worldwide shipping available?

Yes. We support customers with international marine generator supply, export documentation, and worldwide shipping arrangements.

Request a Quote for the Lombardini LMG18000 Marine Generator

The New Lombardini LMG18000 16 kW 20 kVA Three-Phase 400V/50Hz Marine Diesel Generator is a dependable choice for yacht owners, boat builders, shipyards, marine installers, and professional vessel operators requiring reliable three-phase marine power from a compact, sound-enclosed generator package.

Its 20 kVA output, four-cylinder Lombardini LDW 1404 MG diesel engine, AVR-regulated alternator, full-water cooling system, remote-control equipment, automatic engine protection, and marine sound enclosure make it suitable for a wide range of recreational and professional vessel applications.

Contact our marine generator specialists to request the latest Lombardini LMG18000 price, confirm current availability, review installation requirements, and receive assistance selecting the correct generator configuration for your vessel.