Nanni Generator Type QLS13T

Description

New Nanni Generator Type QLS13T Marine Generator For Sale

Compact Three-Phase Marine Power for Yachts and Professional Vessels

The New Nanni QLS13T Marine Generator is a compact, low-speed three-phase marine diesel generator designed to provide dependable onboard electricity for motor yachts, sailing yachts, cruising catamarans, passenger boats, workboats, fishing vessels, and other professional marine applications. Built around a proven four-cylinder Kubota diesel engine and paired with a reliable marine alternator, the QLS13T combines mechanical diesel engineering, stable electrical output, marine-grade cooling, and practical serviceability.

Designed for vessels using a 230/400V three-phase electrical system, the QLS13T provides approximately 9.1 kW of continuous power, equivalent to 11.4 kVA, and up to 10.7 kW of prime power, equivalent to approximately 13.4 kVA, at a 0.8 power factor. The generator operates at 50 Hz and 1500 RPM, making it suitable for compatible pumps, refrigeration systems, battery chargers, ventilation equipment, navigation electronics, lighting, galley appliances, and other essential onboard electrical loads. (Nanni Industries)

The QLS13T is particularly suitable for vessel owners who require more electrical capacity than the smaller QLS10T while retaining a compact generator footprint and straightforward mechanical diesel technology. Its four-cylinder engine provides smooth low-speed operation, while its three-phase electrical configuration supports efficient power distribution across compatible onboard systems.

Selecting the correct marine generator involves more than comparing maximum output ratings. Vessel owners, boat builders, shipyards, and marine installers should also evaluate continuous electrical demand, equipment startup loads, phase balance, available machinery-space dimensions, cooling-water supply, ventilation, exhaust routing, operating hours, and future electrical requirements.

Purpose-Built Nanni QLS Marine Engineering

The Nanni QLS marine generator range is developed specifically for marine power generation. Unlike a portable or conventional industrial generator adapted for boat use, the QLS13T is configured as an integrated marine power-generation system designed to operate in demanding onboard environments.

The Nanni QLS13T generator range uses Leroy-Somer alternators, which are internationally recognized for reliability, electrical performance, and versatility. Nanni designed the QLS series to provide dependable power for both pleasure-duty and professional marine applications, including installations requiring extended generator operation. (Nanni Industries)

The QLS13T uses a four-cylinder, inline, four-stroke Kubota diesel engine with approximately 1.5 litres of displacement. The engine features:

• Mechanical fuel regulation
• Indirect diesel injection
• Naturally aspirated air intake
• Four-cylinder inline construction
• 1500 RPM operating speed
• Marine heat-exchanger cooling

The generator is engineered to operate in marine environments affected by:

• Continuous vibration
• High humidity
• Saltwater exposure
• Restricted machinery-space ventilation
• Changing electrical demand
• Vessel movement and inclination
• Extended operating periods

The 1500 RPM operating speed supports stable 50 Hz electricity while helping reduce mechanical wear, vibration, and operating noise compared with many higher-speed generator systems.

Customers evaluating the Nanni QLS13T price should consider more than the initial purchase cost. Electrical capacity, installation compatibility, fuel efficiency, service access, marine cooling, mechanical simplicity, maintenance requirements, and long-term product support all contribute to the generator’s overall value.

Reliable Four-Cylinder Kubota Diesel Performance

The QLS13T uses a proven Kubota diesel engine platform designed for dependable operation under sustained electrical demand. Kubota engines are widely used in marine, industrial, agricultural, and power-generation applications because of their durable construction, efficient operation, and established service support.

The engine configuration includes:

• Four cylinders in line
• Four-stroke diesel operation
• Approximately 1.5-litre displacement
• Mechanical fuel regulation
• Indirect fuel injection
• Naturally aspirated air intake
• 1500 RPM rated speed

The mechanical fuel system provides a straightforward operating arrangement that may appeal to yacht owners and commercial operators who value familiar maintenance procedures and reduced dependence on complex electronic fuel-management components.

Potential benefits include:

• Practical mechanical servicing
• Familiar troubleshooting procedures
• Reliable operation in remote cruising areas
• Durable fuel-system construction
• Reduced dependence on electronic engine controls
• Established Kubota engine technology

Mechanical fuel regulation does not remove the need for regular maintenance. Clean diesel fuel, effective filtration, correct injector performance, reliable lubrication, proper cooling, and scheduled servicing remain essential for dependable long-term operation.

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

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

Continuous and Prime Power Ratings

Understanding generator ratings is important when selecting an auxiliary marine power system.

The Nanni QLS13T provides:

The continuous rating is the more relevant figure when evaluating sustained onboard electrical demand. The prime rating represents the generator’s published operating capacity under the applicable ISO 8528-1 duty conditions. (Nanni Industries)

The vessel’s normal electrical demand should remain within the generator’s approved operating capacity while leaving reasonable reserve for temporary increases in load.

Equipment such as refrigeration compressors, pumps, electric motors, battery chargers, ventilation fans, and small air-conditioning systems may require considerably more electrical power during startup than during normal operation.

Selecting a generator that is too small may result in:

• Electrical overload
• Voltage instability
• Excessive operating temperatures
• Difficulty starting electric motors
• 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 electrical capacity, startup demand, operating reserve, efficiency, and long-term generator performance.

Stable 230/400V Three-Phase Electrical Output

The QLS13T is designed for vessels requiring dependable 230/400V three-phase marine power. Three-phase electrical systems distribute power efficiently to compatible motors, pumps, refrigeration equipment, ventilation systems, and auxiliary machinery.

The generator may support compatible equipment such as:

• Seawater and freshwater pumps
• Refrigeration and freezer systems
• Battery-charging equipment
• Ventilation and extraction systems
• Navigation electronics
• Communication equipment
• Vessel-monitoring systems
• Lighting circuits
• Small water makers
• Galley equipment
• Auxiliary electric motors
• Professional marine equipment

Before installation, a qualified marine electrician should verify:

• Generator voltage
• Electrical frequency
• Phase rotation
• Earthing and bonding arrangements
• Cable sizes
• Circuit protection
• Switchboard compatibility
• Load distribution

Single-phase equipment may be supplied through a correctly designed three-phase distribution system. However, loads should be distributed appropriately across all phases because excessive phase imbalance may reduce available generator capacity and affect electrical stability.

Dependable Electricity for Modern Vessel Systems

Modern yachts and professional vessels depend on reliable electricity for navigation, communication, safety, refrigeration, battery charging, lighting, monitoring, and daily onboard operations.

The Nanni QLS13T generator set is designed to provide stable power as connected electrical demand changes. Reliable voltage and frequency are particularly important for vessels operating sensitive electronic equipment and motor-driven machinery.

A dependable vessel power-generation system may support:

• Navigation displays
• Communication equipment
• Battery chargers
• Refrigeration controls
• Vessel-monitoring systems
• Lighting equipment
• Pumps and motor starters
• Safety and alarm systems
• Domestic onboard equipment

Electrical performance depends on the complete installation rather than the generator alone. Engine-speed stability, voltage regulation, cable sizing, grounding, circuit protection, phase balance, and switchboard design all influence onboard power quality.

Professional installation and commissioning are therefore important for safe and dependable long-term operation.

Marine Cooling for Sustained Operation

Reliable cooling is essential for dependable marine generator performance. Unlike land-based generators operating in open surroundings, marine generator sets are normally installed inside enclosed machinery spaces where heat must be removed efficiently.

The QLS13T uses a dedicated marine generator cooling system based on closed-circuit engine cooling, heat exchange, raw-water circulation, and a marine wet-exhaust arrangement.

A properly maintained cooling system supports:

• Stable engine operating temperature
• Efficient heat transfer
• Reliable performance under sustained electrical demand
• Reduced thermal stress
• Protection of internal engine components
• Longer generator service life

Routine maintenance should include inspection of:

• Engine coolant condition
• Raw-water strainers
• Seawater flow
• Cooling hoses and clamps
• Drive belts
• Raw-water pump impellers
• Heat-exchanger components
• Wet-exhaust connections

Restricted seawater flow, damaged impellers, blocked cooling passages, or inadequate machinery-space ventilation may cause overheating even when the generator is correctly sized.

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

Compact Low-Speed Generator Design

The QLS13T provides useful three-phase electrical capacity while maintaining dimensions suitable for many yacht and small commercial-vessel machinery spaces.

Nanni publishes the following approximate dimensions and dry weight:

These dimensions apply to the standard generator configuration and should be treated as reference values. Final installation planning should use the approved model-specific technical drawing. (Nanni Industries)

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

• Overall generator dimensions
• Dry and operating weight
• Mounting-point locations
• Machinery-space access
• Maintenance clearances
• Ventilation requirements
• Seawater connections
• Exhaust routing
• Fuel supply and return connections
• Electrical cable access
• Lifting arrangements
• Future generator-removal requirements

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

A professional installation assessment can reduce unexpected modifications and ensure that the selected marine generator replacement remains accessible for inspection and future servicing.

Low-Speed Operation and Improved Onboard Comfort

Noise and vibration are important considerations aboard yachts, passenger boats, cruising vessels, and liveaboard craft.

The QLS13T operates at 1500 RPM, helping reduce mechanical speed, vibration, and operating noise compared with many compact 3000 RPM generator systems.

Its four-cylinder engine configuration also supports smoother operation than some smaller generator designs. However, final onboard noise depends on the complete installation.

A correctly installed quiet marine generator should include:

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

Where greater acoustic comfort is required, an appropriate sound enclosure may be considered, subject to model availability and installation requirements.

The sound enclosure alone does not determine the final onboard noise level. Hull construction, mounting quality, exhaust design, ventilation openings, and vibration transfer through the vessel structure also affect acoustic performance.

Applications of the Nanni QLS13T Marine Generator

Sailing Yachts and Cruising Catamarans

The generator can provide dependable power for battery charging, refrigeration, pumps, navigation electronics, lighting, communication systems, water makers, and other essential cruising equipment.

Motor Yachts

The Nanni QLS13T may support compatible domestic systems, refrigeration, battery chargers, pumps, lighting, galley equipment, and navigation electronics.

Workboats and Fishing Vessels

The generator may serve as a compact commercial marine generator for pumps, refrigeration equipment, lighting, communications, charging systems, and operational equipment.

Passenger and Professional Craft

The QLS13T can support compatible ventilation systems, lighting, pumps, battery chargers, navigation equipment, and passenger-service systems.

Expedition and Long-Range Vessels

Its low-speed mechanical diesel configuration may appeal to operators seeking dependable auxiliary marine power during extended voyages.

Marine Refit Projects

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

Technical Specifications of the Nanni QLS13T

The QLS13T is officially listed by Nanni with 10.7 kW of prime power, 230/400V three-phase output, a four-cylinder Kubota diesel engine, mechanical fuel regulation, indirect injection, and 1500 RPM operation. (Nanni Industries)

Final alternator specifications, control equipment, standard accessories, optional equipment, dimensions, and installation requirements should be confirmed before ordering.

Standard Marine Equipment and Available Options

The Nanni QLS13T is supplied as an integrated marine diesel generator set designed for dependable onboard installation.

Typical marine equipment may include:

• Four-cylinder Kubota diesel engine
• Leroy-Somer three-phase alternator
• Mechanical fuel-control system
• Indirect diesel injection
• Naturally aspirated air intake
• Marine heat-exchanger cooling
• Raw-water circulation equipment
• Marine wet-exhaust components
• Fuel and oil filtration
• Generator protection equipment
• Flexible mounting arrangement
• Operating and maintenance documentation

Available installation options may include:

• Sound enclosure
• Fuel pre-filter
• Fuel-water separator
• Siphon-break equipment
• Remote generator monitoring
• Additional marine installation accessories

The exact standard equipment and optional package should be confirmed during quotation because production specifications, regional configurations, and vessel requirements may vary.

Genuine Nanni Generator Supply and Worldwide Support

Customers looking for the New Nanni QLS13T Marine Generator for sale can contact our marine specialists for current availability, technical guidance, configuration information, and international delivery assistance.

We support customers with:

• Genuine Nanni 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 problems and improve long-term operating reliability.

Frequently Asked Questions

What is the Nanni QLS13T price?

The Nanni QLS13T price depends on current availability, selected equipment, shipping destination, export requirements, and delivery arrangements. Contact our team for an updated quotation.

How much power does the QLS13T provide?

The generator provides approximately 9.1 kW or 11.4 kVA of continuous power and up to 10.7 kW or approximately 13.4 kVA of prime power. (Nanni Industries)

Is the QLS13T a three-phase generator?

Yes. It provides 230/400V three-phase marine power at 50 Hz with a 0.8 power factor. (Nanni Industries)

What engine is used in the QLS13T?

The generator uses a four-cylinder Kubota diesel engine with approximately 1.5 litres of displacement, mechanical fuel regulation, indirect injection, and naturally aspirated air intake. (Nanni Industries)

What does the “T” designation mean?

The “T” designation identifies the QLS13T as a three-phase marine generator.

Is the QLS13T suitable for yachts and catamarans?

Yes. Its compact dimensions, low-speed operation, and useful three-phase capacity make it suitable for compatible motor yachts, sailing yachts, catamarans, workboats, and professional vessels.

Can the generator support refrigeration and battery chargers?

Yes, provided the combined continuous demand and equipment startup loads remain within the generator’s approved operating capacity.

Can it replace an existing marine generator?

Yes. It may be suitable for a marine generator replacement when 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 Nanni QLS13T Marine Generator

The New Nanni QLS13T Marine Generator is a dependable choice for yacht owners, boat builders, marine installers, shipyards, and professional operators requiring compact three-phase marine power from a low-speed, mechanically controlled Kubota diesel platform.

Contact our marine generator specialists to request the latest Nanni QLS13T price, confirm current availability, review installation requirements, and receive assistance selecting the correct generator configuration for your vessel.