NEW Lombardini LMG4000 4kVA Marine Diesel Generator Package

Description

New Lombardini LMG4000 4 kVA Marine Diesel Generator Package For Sale

Compact and Reliable Marine Power for Sailboats, Yachts and Small Vessels

The New Lombardini LMG4000 4 kVA Marine Diesel Generator Package is a compact, lightweight, and sound-enclosed marine diesel generator designed to provide dependable onboard electricity for sailing yachts, motorboats, cruising vessels, liveaboard boats, catamarans, and small professional marine craft.

Powered by the proven Lombardini 15 LD 350 diesel engine, the LMG4000 combines a single-cylinder four-stroke diesel engine, synchronous brushless alternator, integrated air-water cooling system, remote-control operation, automatic safety shutdown, anti-vibration mounting, and a soundproof enclosure in one practical marine generator package.

The generator supplies 4 kVA or 3.2 kW of continuous electrical power at 230V, single phase, and 50 Hz while operating at 3000 RPM. Its output makes it suitable for compatible battery chargers, refrigeration equipment, freshwater pumps, navigation electronics, communication systems, lighting circuits, entertainment equipment, electrical outlets, and small galley appliances. (Lombardini Marine)

With approximate dimensions of 560 × 430 × 490 mm and a sound-enclosed weight of approximately 90 kg, the LMG4000 is particularly suitable for vessels where machinery-space dimensions and installation weight must be carefully managed. (Lombardini Marine)

The complete package provides more than basic electrical generation. Its integrated marine cooling system, remote monitoring equipment, automatic engine protection, acoustic enclosure, and compact mounting arrangement help simplify installation while supporting reliable operation aboard compatible vessels.

Customers evaluating the Lombardini LMG4000 price should consider the complete generator package, including its compact construction, brushless alternator, marine cooling system, remote-control equipment, sound attenuation, service accessibility, and suitability for the vessel’s electrical requirements.

Purpose-Built Lombardini Marine Generator Engineering

The Lombardini Marine LMG Series is developed specifically for onboard electrical generation. Unlike a portable generator or conventional industrial power unit adapted for marine use, the LMG4000 integrates the diesel engine, alternator, cooling equipment, electrical controls, automatic safety systems, anti-vibration supports, and sound enclosure into a dedicated marine generator package.

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

• Continuous vessel vibration
• Salt-laden air
• High humidity
• Restricted machinery-space dimensions
• Limited ventilation
• Changing electrical demand
• Vessel movement and inclination
• Extended operation away from shore power

The LMG4000 uses the compact Lombardini 15 LD engine platform. The engine is known for its relatively low weight and compact construction, supported by an aluminium crankcase and cylinder head. (Lombardini Marine)

Its soundproof enclosure, external anti-vibration supports, accessible service arrangement, and dedicated openings for electrical cables, fuel lines, seawater connections, and exhaust components support practical installation aboard smaller yachts and boats.

Selecting the correct boat generator package requires more than comparing the generator’s maximum output with the combined wattage of onboard equipment. Continuous electrical demand, temporary starting loads, voltage, frequency, machinery-space dimensions, cooling-water supply, ventilation, exhaust routing, fuel requirements, expected operating hours, and future electrical additions should all be considered before purchase.

Lombardini 15 LD 350 Single-Cylinder Diesel Engine

The LMG4000 is powered by the Lombardini 15 LD 350 diesel engine, a compact single-cylinder platform designed to provide dependable mechanical power for onboard electricity generation.

Its principal engine specifications include:

• Single-cylinder configuration
• Four-stroke diesel operation
• 349 cm³ displacement
• Approximately 4.9 kW continuous mechanical output
• 3000 RPM operating speed
• Compact air-cooled engine architecture
• 12V remote-controlled electric starting
• Lightweight aluminium engine construction

The single-cylinder arrangement helps reduce the generator’s overall dimensions and installation weight. This makes the LMG4000 suitable for smaller vessels where a larger multi-cylinder generator may occupy excessive machinery space or add unnecessary weight. (Lombardini Marine)

The engine develops approximately 4.9 kW of continuous mechanical power, providing the mechanical capacity required to generate 4 kVA or 3.2 kW of continuous electrical output. (Lombardini Marine)

Potential advantages of the compact diesel platform include:

• Reduced installation weight
• Space-efficient construction
• Straightforward mechanical servicing
• Proven Lombardini diesel technology
• Practical routine maintenance
• Reliable operation when correctly installed
• Suitability for smaller yacht machinery spaces

A correctly sized diesel marine generator allows vessel owners to operate important electrical equipment while cruising, remaining at anchor, or spending extended periods away from marina facilities.

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

4 kVA and 3.2 kW Continuous Electrical Output

Understanding the difference between kVA and kW is important when selecting a compact marine generator set.

The 4 kVA rating represents apparent electrical power, while the 3.2 kW rating represents active electrical output under the manufacturer’s specified operating conditions. Lombardini identifies this as continuous electrical output at 3000 RPM in the 50 Hz configuration. (Lombardini Marine)

The vessel’s sustained electrical demand should remain within the generator’s approved output while preserving reasonable reserve for temporary increases in demand and equipment startup requirements.

Equipment containing electric motors or compressors may require more electrical power during startup than during normal operation. This may apply to:

• Refrigeration compressors
• Freshwater pumps
• Seawater pumps
• Battery chargers
• Small water makers
• Ventilation equipment
• Other motor-driven appliances

Selecting a generator that is too small may result in:

• Electrical overload
• Voltage instability
• Difficulty starting connected equipment
• Excessive operating temperature
• Frequent protective shutdowns
• Reduced generator service life

However, selecting a generator that is substantially larger than required may result in extended operation under very light electrical load.

A professional marine electrical load assessment should therefore consider continuous demand, temporary startup loads, operating reserve, and potential future equipment additions.

Stable 230V Single-Phase Marine Electricity

The LMG4000 is designed for vessels requiring dependable 230V single-phase marine power at 50 Hz.

Single-phase electricity is widely used aboard recreational vessels for domestic appliances, battery charging, navigation electronics, communication equipment, lighting, refrigeration, and other onboard services.

The generator may support compatible equipment such as:

• Marine battery chargers
• Refrigerators and compact freezers
• Navigation electronics
• Communication systems
• Freshwater pumps
• Cabin and deck lighting
• Electrical outlets
• Entertainment equipment
• Vessel-monitoring systems
• Small galley appliances

Before installation, a qualified marine electrician should verify:

• Generator voltage
• Electrical frequency
• Cable sizes
• Earthing and bonding
• Circuit-breaker ratings
• Shore-power integration
• Generator changeover arrangement
• Switchboard compatibility
• Expected electrical demand

The vessel’s shore-power supply and generator should not energise the onboard electrical system simultaneously. A correctly rated manual or automatic transfer arrangement should be used to isolate the power sources safely.

Professional installation and commissioning are important for dependable electrical performance and the protection of connected onboard equipment.

Synchronous Brushless Water-Cooled Alternator

The LMG4000 uses a synchronous brushless marine alternator with its electrical windings positioned on the stator.

The brushless construction reduces the number of electrical wear components associated with conventional brushed alternators. Lombardini states that the alternator waveform supports the safe operation of sophisticated onboard electronic equipment and provides suitable electrical input for compatible battery chargers. (Lombardini Marine)

Potential advantages include:

• Brushless alternator construction
• Reduced electrical wear components
• Stable onboard electrical production
• Compatibility with marine electronics
• Suitable power for battery-charging systems
• Practical long-term maintenance

The alternator is integrated into the generator’s marine cooling system. Seawater helps cool the external surfaces of the alternator stator, supporting reliable electrical generation inside enclosed machinery spaces. (Lombardini Marine)

Stable onboard electricity depends on the complete installation rather than the alternator alone. Correct cable sizing, circuit protection, grounding, transfer switching, and load management all contribute to dependable electrical performance.

Integrated Air-Water Marine Cooling System

A distinguishing feature of the LMG4000 is its combined air-water marine cooling system with radiator.

The Lombardini 15 LD engine uses an air-cooled architecture, while seawater is incorporated into the generator package to cool:

• Engine lubricating oil
• External alternator-stator surfaces
• Engine intake air

This hybrid cooling arrangement helps manage operating temperatures while maintaining compact dimensions suitable for smaller vessel machinery spaces. (Lombardini Marine)

A properly maintained marine generator cooling system supports:

• Stable operating temperature
• Efficient heat transfer
• Reliable electrical production
• Reduced thermal stress
• Protection of generator components
• Longer equipment service life

Routine maintenance should include inspection of:

• Raw-water intake
• Seawater strainer
• Cooling-water flow
• Cooling hoses
• Hose clamps
• Radiator components
• Engine oil-cooling system
• Alternator-cooling surfaces
• Wet-exhaust components
• Siphon-break installation

Lombardini’s published installation information identifies a 16 mm seawater inlet, a 16 mm siphon-break connection, an 8 mm fuel line, and a 40 mm exhaust-hose connection. Final installation should follow the approved model-specific installation drawing. (Lombardini Marine)

Restricted seawater flow, blocked strainers, damaged hoses, or inadequate machinery-space ventilation may affect generator cooling and operating reliability.

Remote-Control Panel and Automatic Safety Protection

The LMG4000 is supplied with a remote generator control panel and approximately 10 metres of plug-in cable. This allows the generator to be started, stopped, and monitored from a convenient location outside the machinery compartment. (Lombardini Marine)

The remote-control system provides important operating information, including:

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

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

An additional remote-control panel may be available when generator operation is required from more than one position aboard the vessel. (Lombardini Marine)

Automatic protection provides valuable safeguards but does not replace routine inspection. Engine oil, cooling-water flow, fuel supply, electrical connections, ventilation, and exhaust components should still be checked regularly.

Compact Soundproof Enclosure for Improved Comfort

The LMG4000 package includes a soundproof marine generator enclosure designed to reduce airborne diesel-engine and alternator noise.

The enclosure uses fibreglass construction with acoustic insulation and sealing materials to reduce sound transmission into cabins, saloons, and other onboard living areas. (Lombardini Marine)

The acoustic enclosure helps reduce:

• Diesel-engine operating noise
• Alternator noise
• Mechanical generator noise
• Machinery-space sound transmission
• Noise reaching onboard accommodation areas

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 more than the sound enclosure. Hull construction, generator mounting, exhaust routing, ventilation openings, compartment insulation, and structural vibration transmission also influence acoustic performance.

Compact Dimensions and Practical Installation

The LMG4000 is designed for vessels where installation space and equipment weight must be carefully managed.

Published package dimensions are approximately:

The published weight includes the generator’s soundproof enclosure. (Lombardini Marine)

The generator package is designed with external anti-vibration supports and dedicated access points for electrical wiring, seawater connections, fuel lines, and exhaust components.

Before installation, the vessel owner, boat builder, or marine engineer should verify:

• Generator dimensions
• Dry and operational weight
• Mounting-point positions
• Machinery-space access
• Service clearances
• Ventilation requirements
• Seawater inlet location
• Exhaust-hose routing
• Fuel-line connections
• Electrical cable access
• Remote-control cable routing
• Lifting and future removal space

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

Practical Maintenance and Service Access

The LMG4000 is designed to support practical routine maintenance in compact machinery spaces.

Important controls and service components are positioned for accessible maintenance, allowing many routine operations to be completed without removing unrelated onboard equipment.

Regular maintenance should include:

• Engine-oil inspection
• Engine-oil replacement
• Fuel-system inspection
• Cooling-water flow checks
• Raw-water impeller inspection
• Cooling-hose inspection
• Exhaust-system inspection
• Electrical-connection checks
• Anti-vibration mount inspection
• Fuel-filter servicing

Lombardini’s service documentation identifies engine-oil replacement for the LMG4000 at 250 operating hours or one year, with more frequent attention recommended where operating conditions or limited use require it. (Lombardini Marine)

Maintenance intervals should always follow the current operation and service documentation supplied with the generator.

Operation During Vessel Inclination

Marine generators may be required to operate while a vessel is underway, rolling, pitching, or sailing at an angle.

Lombardini states that generators in the LMG range can operate continuously at lateral or longitudinal inclinations of up to 25 degrees and intermittently at inclinations of up to 30 degrees. (Lombardini Marine)

This capability may be useful aboard:

• Sailing yachts operating under heel
• Motorboats navigating rough conditions
• Cruising vessels operating offshore
• Professional craft exposed to regular movement

Correct installation remains essential to maintain dependable lubrication, fuel delivery, cooling-water circulation, and wet-exhaust performance while the vessel is moving.

Applications of the Lombardini LMG4000 Generator Package

Sailing Yachts

The LMG4000 can provide dependable electricity for battery charging, refrigeration, navigation electronics, communication systems, lighting, freshwater pumps, and essential cruising equipment.

Motorboats and Small Motor Yachts

The generator may support compatible refrigeration systems, battery chargers, entertainment equipment, lighting, freshwater pumps, electrical outlets, and selected domestic appliances.

Cruising Catamarans

Its compact dimensions and 3.2 kW output make it a practical catamaran generator for vessels requiring independent single-phase electricity while cruising or remaining at anchor.

Liveaboard Boats

The generator can provide electricity for refrigeration, battery charging, water pumps, lighting, electrical outlets, and selected domestic equipment during extended periods away from shore power.

Small Professional Vessels

The LMG4000 may serve as a compact commercial marine generator for lighting, communication equipment, pumps, refrigeration, battery charging, and routine operating loads.

Marine Refit Projects

The generator may be considered when replacing an older, heavier, inefficient, or unreliable generator, provided the vessel’s electrical and installation requirements are compatible.

Technical Specifications of the Lombardini LMG4000

The LMG4000 is officially specified with 4 kVA or 3.2 kW of electrical output, a Lombardini 15 LD 350 single-cylinder engine, 349 cm³ displacement, 3000 RPM operation, brushless water-cooled alternator, 230V single-phase output, remote control, and an enclosed weight of approximately 90 kg. (Lombardini Marine)

Standard Equipment Included in the LMG4000 Package

The Lombardini LMG4000 marine generator package is supplied as an integrated onboard power system.

Typical package equipment includes:

• Lombardini 15 LD 350 diesel engine
• Synchronous brushless alternator
• Integrated air-water marine cooling system
• 12V electric-starting system
• Remote-control panel
• Approximately 10 metres of plug-in control cable
• Automatic engine-protection system
• Low oil-pressure warning
• High water-temperature warning
• Generator output-voltage display
• Generator output-current display
• Starting-battery voltage information
• Generator operating-hour meter
• Anti-vibration mounting equipment
• Soundproof enclosure

Available installation accessories may include:

• Additional remote-control panel
• Fuel-water separator
• Fuel pre-filter
• Seawater strainer
• Siphon-break equipment
• Wet-exhaust components
• Starting battery and battery cables
• Shore-power changeover equipment
• Additional marine installation accessories

The exact package contents should be confirmed during quotation because production specifications, regional configurations, and installation requirements may vary.

Genuine Lombardini Marine Generator Supply and Worldwide Support

Customers looking for the New Lombardini LMG4000 4 kVA Marine Diesel Generator Package for sale can contact our marine generator specialists for current availability, technical guidance, installation 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 and installation documentation
• Export documentation
• Worldwide shipping arrangements
• After-sales customer assistance

Lombardini Marine recommends correct installation, scheduled maintenance, and the use of genuine replacement parts to support dependable operation and long equipment life. (Lombardini Marine)

Frequently Asked Questions

What is the Lombardini LMG4000 price?

The Lombardini LMG4000 price depends on current availability, selected installation accessories, shipping destination, export requirements, and delivery arrangements. Contact our team for an updated quotation.

How much electrical power does the LMG4000 provide?

The generator provides 4 kVA or 3.2 kW of continuous electrical power at 3000 RPM. (Lombardini Marine)

Is the Lombardini LMG4000 single phase?

Yes. The 50 Hz configuration provides 230V single-phase marine electricity. (Lombardini Marine)

What engine is used in the LMG4000?

The generator uses the Lombardini 15 LD 350, a single-cylinder four-stroke diesel engine with 349 cm³ displacement and approximately 4.9 kW of mechanical output. (Lombardini Marine)

Does the LMG4000 use a brushless alternator?

Yes. It uses a synchronous brushless water-cooled alternator designed to provide dependable electricity for compatible onboard equipment. (Lombardini Marine)

How is the LMG4000 cooled?

The generator uses an integrated air-water cooling system. Seawater helps cool the engine oil, external alternator-stator surfaces, and engine intake air. (Lombardini Marine)

Does the package include a remote-control panel?

Yes. The generator is supplied with a remote-control panel and approximately 10 metres of plug-in cable. (Lombardini Marine)

Is the LMG4000 sound enclosed?

Yes. The generator package includes a soundproof enclosure and has an approximate enclosed weight of 90 kg. (Lombardini Marine)

Can the LMG4000 replace an existing yacht generator?

Yes. It may be suitable for a marine generator replacement when electrical output, voltage, frequency, 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 LMG4000 Generator Package

The New Lombardini LMG4000 4 kVA Marine Diesel Generator Package is a dependable choice for yacht owners, sailboat owners, boat builders, marine installers, and professional operators requiring compact single-phase marine power from a lightweight, sound-enclosed diesel generator.

Its 4 kVA output, Lombardini 15 LD 350 diesel engine, synchronous brushless alternator, integrated air-water cooling system, remote-control equipment, automatic engine protection, compact dimensions, and practical installation design make it suitable for a wide range of small-vessel applications.

Contact our marine generator specialists to request the latest Lombardini LMG4000 price, confirm current availability, review installation requirements, and receive assistance selecting the correct generator package for your vessel.

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