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Marine Generators

Find your next marine diesel generator at Powerhouse Diesel Generators. PDG will custom-build your marine generator to match your specific application and requirements. Marine diesel generators are used by boats and ships that perform operations while engines aren't running to save batteries and provide additional power.

Our marine generators are used for everything from backup power supplies to equipment operations. We have marine diesel generators for sale that utilize engines from top manufacturers like Kubota, Mitsubishi, John Deere and more. Choose your style of marine diesel generator below to learn more about our available inventory.

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Keel Cooled

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Marine Generators for Boats and Yachts

Marine diesel generators are uniquely designed for open water applications with boats and yachts. Made from non-corrosive materials, a marine generator allows for long-lasting operation in wet conditions. They are primarily used as an alternate power source or reserve for boating operations when the engines are turned off. Marine diesel generators from PDG are suited for a wide variety of applications and utilize the latest innovations and technologies.

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Frequently Asked Questions About Our Marine Diesel Generators

PDG has a variety of marine generators for sale, and we're here for the long haul when you buy from our website. We put together a list of answers for some frequently asked questions we receive regarding our marine diesel generators.

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How Long Does Shipping Take?

Depending on your location within the continental United States, delivery of your marine generator can take up to seven business days after your order is processed. Overnight shipping may be available. Contact us for more detailed shipping information.

What's the Difference Between Keel-Cooled and Heat Exchange Marine Generators?

Keel-cooled marine generators have a closed-circuit cooling system that is mounted externally on the vessel's hull below the water line. Coolant in the system transfers heat by circulating through the keel cooler, similar to a car's radiator.

Heat exchange marine generators pump seawater from beneath the vessel and pass it through a heat exchanger. The heat is transferred to the seawater which is then pumped back out of the vessel.

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Like all of our industrial and commercial products, our marine generators are manufactured right here in the United States. Produced from our factory space in Valdosta, we deliver the very best quality and service to our marine generator customers.

WHAT IS YOUR RETURN POLICY?

PDG will do what is necessary to make sure you are happy with your purchase. We will work with you and our network of dealer repair centers to ensure your generator is running as it should. Ample time should be allotted for this by the customer. Generally, this time frame is expected to be under thirty days.

After thirty days, if the generator is still not performing properly, PDG will authorize a return.

All returns for any other reason will be charged a 20% restocking fee plus any damages incurred to the unit by the customer. Return shipping will be the sole responsibility of the customer.

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Ask us for a full copy of our warranty.

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Get PDG Power For All Your Marine Generator Needs

Powerhouse Diesel Generators is a premier provider of custom power solutions. From agricultural diesel to marine generators, PDG has provided the power that industries need. Our team of designers and engineers loves to make custom products that meet the challenges of your unique and demanding applications. When it comes to marine diesel generators, our capabilities are second to none for reliability and power.

Check out our marine generators for sale online today.

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NextGen UCM2-5.5E Marine Generator

Next Gen 5.5 kW Marine Diesel Generator

From: $ 13,750.50 Original price was: $13,750.50. $ 9,986.00 Current price is: $9,986.00.

CONTACT US for expert advice.

Quiet and easy to maintain, the UCM2-5.5 is a great choice for  medium size yachts.

Special Order Only. Usually ships in 1-2 weeks.

  • No Enclosure
  • With Sound Shield Enclosure
  • 120 VAC, 60 Hz (3-Wire)
  • 120/240 VAC, 60 Hz (4-Wire)
  • 220 VAC, 50 Hz Euro (3-Wire)

Our rule-of-thumb is to triple the straight-line distance from the panel to the generator. Remember that up to two feet of the harness will be inside the enclosure.

  • 10' Harness
  • 20' Harness
  • 30' Harness
  • Basic Panel (6x4")
  • 4-Gauge Panel (8.5x9")
  • Ignition Protection
  • 35 Amp DC Alternator
  • Vented Loop
  • Double Vibration Isolation Mounts

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Description

Additional information.

  • Reviews (3)

The NextGen UCM2-5.5 Marine Diesel Generator from Next Generation Power Engineering (NextGen) is perfect for mid-size vessels, or as a back-up for large vessels. NextGen diesel generators are well known for their reliability and ease of maintenance.

  • Mid speed operation provides low sound and vibration levels
  • Lower operating speeds to reduce sound levels and increase life expectancy
  • Fully fresh water marinized heavy duty Kubota diesel engine for trouble free operation
  • Average fuel consumption to just 3/10 GPH
  • Compact size and light-weight construction
  • Dimensions: 23″ W x 17″ D x 20″ H w/o Enclosure,  25.5″ W x 20″ D x 21″ H with Enclosure
  • Gauges and start/stop switch can be remove from panel for custom installation
  • Weight: 230 lb w/o Enclosure, 270 lb with Enclosure
  • Noise Level at 7 ft [2 m]: 72 dB w/o Enclosure, 63 dB with Enclosure
  • Power output: 5.5 kW Peak, 5.0 kW Continuous

Compare with Fischer Panda 4200 Plus Specifications:

  • 3600 RPM (single cylinder engine)
  • Enclosure Dimensions: 20.5″ W x 14.6″ D x 20.5″ H
  • Panel Dimensions: 4.7″ W x 2.4″ H
  • Weight: 230 lb
  • Noise Level at 7 ft [2 m]: ~65 dB (converted from 54 dB @ 7 meters)
  • Power output: 4.1 kW Peak, 3.7 kW Continuous

The 5.5 kW Next Gen diesel generator makes a very reliable power source for off-grid cruising, or running air conditioning for a hot afternoon on the water. Quiet and easy to maintain, the UCM2-5.5 or UCM2-5.5E is a great choice for medium size yachts.

This generator offers plenty of power for most boats that use twin 30 amp shore power circuits.

Please note: If you are installing on a boat that has gasoline engines for the main propulsion, you need to order with the Ignition Protection option.

Remember to never store portable gasoline containers below deck.

Find the manufacturer’s spec sheet here: NextGen 5.5 kW Specifications

* 120/240 VAC, 4-Wire installation requires additional circuit protection

Weight 390 lbs
Dimensions 36 × 36 × 30 in
Specifications

Engine Type: Vertical, Water-Cooled 4-Cycle Diesel # of Cylinders: 2 Bore x Stroke (in): 2.64 x 2.68 Displacement (cu-in): 29.23 SAE Net Intermittent HP: 11 @ 2800 RPM Combustion System: Three Vortex Compression Ratio: 23:1 Fuel Injection Pump Type: Bosch MD Mini Pump Nozzle Type: Bosch Throttle Type Cooling System: Fresh Water Heat Exchanger Lubrication System: Forced Lubrication w/Filter Fuel: #2 Diesel Fuel Lubricating Oil Type: API Service CE or Better Lubricating Oil Capacity: 2.2 US Quarts Starting System: 12V Battery Charging System: Optional 35 Amp Fuel Inlet: 5/16" Fuel Return: 1/4" Raw Water Inlet: 5/8" Exhaust Outlet: 1-1/2" Output Voltage: 120/240 Output Amps: 46/23 Output Watts: 5500 Specifications subject to change

Features

Cupro-Nickel Heat Exchanger Direct Driven Self-Priming Sea Water Pump Stainless Steel Water Cooled Exhaust System Air Cleaner / Intake Silencer Oil Pressure & Water Temperature Safety Shutdown Self Tensioning Drive System 120/240 Volt Generator 12V Electric Fuel Pump Extra-Resilient Four Point Isolation Mounts "Easy Drain" Oil Change Kit All Front Side Service Marine Grade Tinned Wire with Heat Shrink Terminals Remote Start Panel with Hour Meter and Harness

Options

Output Voltage Selection 10', 20' or 30' Wire Harness Ignition Protection Certification Vented Loop Full Instrumentation Panel Fiberglass 3-Piece Sound Enclosure

Brand

NextGen

MPN

UCM2-5.5, UCM2-5.5E

Availability

Special Order Only, Usually Ships in 1-2 Weeks

3 reviews for Next Gen 5.5 kW Marine Diesel Generator

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Gary Hodges, Corpus Christie, TX – 13-Nov-2017

First class experience shopping and purchasing the generator. The generator w/sound enclosure is much quieter than I expected.

Jeff Ellison, Pflugerville, TX – 16-Apr-2018

Good experience, Thank you

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Walter Gulley – 08-Mar-2022

I bought a boat with the NextGen generator 5.5Kw diesel generator in it about a month ago. The generator hd not been run in nearly 3 years, after about 30 minutes of cranking and bleeding fuel lines and a few other tricks, besides removing starter and freeing the bendix then reinstalling it it fired up and worked. It stayed running for about 5 minutes so I threw the breaker to have it power the boat. It worked and the a/c, battery charger and everything worked for another 20 minutes and then I shut it down so I can replace fuel water separator and install a new starter I ordered from the manufacturer and should be all set.

Only logged in customers who have purchased this product may leave a review.

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Choosing a Generator for Your Sailboat

  • By Ed Sherman
  • Updated: November 14, 2018

You can’t take it anymore: Your 1990s vintage cruising sailboat didn’t come equipped with a factory-­installed air-conditioning system or an alternating-current generator to power it and the other AC appliances you’ve brought aboard. Since you’ve owned the boat, though, you’ve turned into a real believer in global warming as you try to sleep through sweaty nights on board, and finally you’re ready to pull out your wallet and do something about it.

So, where do you begin? The first step is to analyze how much electrical power you are going to need. Since your boat had a basic shore-power system when you bought it, you already have some idea of your small-appliance usage, things such as hair dryers, the coffee maker and maybe even a small TV. But now you need to think in terms of running this same gear while at anchor. Additionally, if the standard-equipment shore-power option for your boat at the time of purchase was a 30-amp service, as is most often the case here in the United States, you might discover that it’s inadequate to run that new reverse-cycle air-conditioning system you’re dreaming about.

This is an area where, in my experience, a lot of boat owners go into denial as they discover that more power consumption adds considerable cost. Everything you’ve read about marine electrical systems so far tells you that air conditioning and refrigeration use a lot of power. But how much? The good news here is that these units have become more efficient in recent years and the power needs are not as great as they were when your boat was new. As an example, a modern 18,000 Btu reverse-cycle system from Dometic Corp. will need about 15 amps of AC power to get the job done. A 10,000 Btu unit is going to draw around 8 to 10 amps, depending on your location and whether you are heating or cooling.

generator installation

Analyze Your Needs

The first step is to do an honest load analysis to see how much electrical power you will need. This is typically measured in thousands of watts, or kilowatts. The operative phrase here is: Don’t cheat. If you want to luxuriate in air-conditioned comfort 24-7 while cruising, it’ll cost you. Unlike powerboats, most cruising sailboats come equipped with liquefied petroleum gas stoves and ovens, so one of the major power consumers (an electric galley) is not a concern here.

All said, you are probably going to be looking at generators in the 4 to 12 kW size range. The typical owner of a 40-something-foot sailboat who wants to power up a reverse-cycle air-conditioning system, small galley appliances, a refrigeration system using either AC or DC power, a water heater and a battery charger is going to want an 8 kW generator. Larger boats that might end up having a clothes washer and dryer, larger reverse-cycle heating and cooling unit and water heater can easily end up in that 12 kW output range. The American Boat and Yacht Council offers a free trial membership with access to the relevant electrical power ­standard (E-11), including a complete load analysis worksheet for those who are so inclined and want a detailed account of their electrical needs. Simply go to abycinc.org to gain access via the consumer section of the site.

Volvo engine

A quick way to determine your AC power needs is to look for the mandated label on each appliance. It is required to tell you either the operating voltage and amperage draw or the operating voltage and wattage.

Either way, a simple equation can be applied to get the info you need: Volts multiplied by amps equals watts; or watts divided by volts gives you an amperage value. Add the number of watts each device requires and you will get an idea of what size generator you’ll need. Remember that it takes 1,000 watts to make 1 kilowatt. Understand that this method will actually give you a result that does not take into account the fact that you might not be running all of your appliances simultaneously. The ABYC load analysis method found in the ABYC E-11 standard offers some diversity adjustments that are more conservative and reflective of the real world.

Passport 545 engine compartment

Although modern ­generators are not as sensitive to running with a light electrical load, most installers will tell you that running them at 70 to 80 percent of their maximum capacity is better for the engine. The risk here is carbon buildup in the engine’s combustion chambers if run with a light load for extended periods. So, this is a case where significant overkill is not such a good thing.

Lagoon 39 generator

Practical Concerns

In addition to the electrical load you need to meet with your new generator, you should also be considering its weight and physical dimensions. Will the generator fit into the space you have available? The units I compared (see “Generators by the Numbers,” page 82) ranged in weight from a low of about 270 pounds for the 5 kW Fischer Panda to a high of just under 700 pounds for an 11.5 kW Kohler. This amount of weight dictates that when installing a generator on a monohull, you’re going to want to keep it on the centerline of the boat. Typically, this works out well because most sailboats built from the early ’90s on will have adequate space aft of the propulsion engine to fit in new generator. Multihulls offer more options on that front.

What might be a concern with the monohull is service access, not only for the generator itself, but for things like the propeller shaft stuffing box and shaft coupling. I’ve inspected many boats where the only way to access a leaking shaft seal was to lift the generator out of the way!

Wherever you end up installing your new generator, you need to be able to gain access to all the service points on the unit.

The physical dimensions of the generator could end up being a game changer too, so you’ll need to measure your boat’s available space carefully and compare that to the specifications for the units you are considering. You will also need to determine whether the unit will fit with a sound shield installed or not. Understand that some of the generators offer a sound shield as an option only. The presence of a sound shield, or your ability to insulate the space where you are going to have this generator mounted, could make a difference not only in size requirements but also noise issues while running.

As an example, comparing a Fischer Panda unit that comes with a standard sound shield, we get dimensions of 23 inches by 17 inches by 22 inches. A similarly rated Cummins Onan unit, which also comes with a standard sound shield, is 26 inches by 23 inches by 21 inches. A Westerbeke with a similar rating but with optional sound shield measures 36 inches by 23 inches by 25 inches. That 13-inch spread in length between the Fischer Panda and the Westerbeke could mean the difference between a doable install in the space available on your boat or not.

Finally, wherever you end up installing your new generator, you need to be able to gain access to all the service points on the unit. Can you get that oil filter off as installed? Can you access and change the water-pump impeller without needing an emergency ­chiropractic visit? These are questions that will need answers.

Power Perks

Several features related to newer generators are worth considering. One is whether the unit is equipped with digital controls that may also allow for self-diagnostics and integration to onboard networking that you or a former owner may have installed on the boat.

From a maintenance standpoint, you’ll also want to know whether the water-cooling system for the engine driving your generator is raw- or freshwater cooled. Raw water might save money initially, but will cost in the long run.

Buyers Beware

I can’t emphasize this enough: This sort of upgrade does not qualify as a do-it-yourself project unless you have ­considerable mechanical skills and experience, and labor will be a major addition to the overall cost of the installation.

Also, when you compare different units, study the supplied components carefully. Does the unit come with a remote display and control panel? What additional parts will you need? These will likely include an exhaust system, starter battery and cables, and raw-water supply hoses and a seacock. And don’t forget about wiring the generator ­into your existing, or possibly a replacement, AC ­distribution panel board. These items can add considerable cost above and beyond the generator prices shown in “Generators by the Numbers.”

If you are planning on cruising far afield with your new generator, you should also think about parts and service availability, not to mention its warranty.

Lastly, if you are planning on cruising far afield with your new generator, you should also think about parts and service availability, not to mention its warranty. As part of my ­research for this article, I looked at units from Cummins/Onan, Fischer Panda, Kohler, Northern Lights and Westerbeke. All five brands have extensive global dealer networks, so ­locating a service center that can help is just an internet search away. As for warranties, I’ve noted them in the “Generators by the Numbers” table. Keep in mind when reviewing this ­information that it is based on likely choices from the ­individual company’s offerings for a boat in the 35- to 45-foot size range. Also understand that the prices quoted are list price. Several of the dealers I spoke with suggested that discounts of $1,500 to $2,000 are quite common. That said, if you spot something you think is a deal, be certain of what you are actually getting, ­especially if it’s at a ­remarkably ­discounted price.

Ed Sherman is a frequent CW contributor, Boat of the Year judge and vice president of education for the American Boat and Yacht Council.

A green alternative

Considering the cost of installing a generator — estimated at $15,000 to $20,000, or possibly more depending on your boat and the power output selected — you might consider some alternatives.

How about essentially silent AC power via a direct-­current-to-alternating-current inverter and adequate storage capacity that relies on the latest high-capacity battery technology?

Marine electrical systems have evolved considerably over the past decade or so, and I’m at the point now where I question the need for an onboard AC generator for most cruisers, though some might still benefit from installing a DC generator to supplement solar-, wind- or water-driven charging solutions.

The current density of high-end absorbed glass mat and lithium-ion batteries has improved by 20 to 30 percent due to their inherent capacity compared to older flooded-cell batteries. They can also be discharged to deeper levels without damage and recharged much more quickly due to high absorption rates. I’m of the opinion that it might be time to look at alternative power if you are willing to spend the kind of money we are talking about with an AC generator upgrade for an older boat.

As quiet as they might claim to be, that incessant drone of an AC diesel generator, not to mention the however faint odor of diesel exhaust fumes, is going to be a reality. It’ll have to run all night if you want that AC keeping you cool.

Instead, you could run the DC generator in the morning to replenish your batteries from an overnight discharge. Or, let your solar panels and wind generator do the job. I like the concept of not having to run an engine continuously to get my AC power.

Generators By The Numbers

Brand Kilowatt Rating Sound Shield Equipped Dimensions (LWH) Freshwater Cooled Warranty Online Price
5 Yes 26”x20”x21” Yes 2 years unlimited; 3 years limited $9,430
7.5 Yes 26”x23”x21” Yes 2 years unlimited; 3 years limited $11,520
11.5 Yes 41”x22”x23” Yes 2 years unlimited; 3 years limited $15,052
5 Yes 21.25”x17.5”x21.9” Yes 5 years electrical components; 3 years engine $11,850
8 Yes 23”x17”x22” Yes 5 years electrical components; 3 years engine $15,200
6 Optional 31”x21”x23”* Yes 5 years or 2,000 hours $8,284**
9 Optional 34”x21”x22”* Yes 5 years or 2,000 hours $9,563**
11 Optional 21”x22”x38”* Yes 5 years or 2,000 hours $10,743**
5 Optional 32.5”x21.2”x21.8”* Yes 1 year parts and labor; 2nd year parts; 3rd, 4th, 5th year select major parts $12,795***
9 Optional 39.3”x25.7”x25.3”* Yes 1 year parts and labor; 2nd year parts; 3rd, 4th, 5th year select major parts $16,595***
12 Optional 43.6”x27.3”x27.4”* Yes 1 year parts and labor; 2nd year parts; 3rd, 4th, 5th year select major parts $18,695***
5.5 Optional 33.3”x21.1”x22.3”* Yes 5 years limited $11,800
8 Optional 36.1”x23.2”x25.3”* Yes 5 years limited $14,194
10 Optional 36.1”x23.2”x25.3”* Yes 5 years limited $16,772

*All dimensions are with sound shield; **price includes sound shield; ***price does not include optional sound shield

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Tel: (804) 642-9296 FAX: 804-642-0340 --> Email: [email protected]

marine diesel generators for sailboats

Westerbeke Marine Diesel Generators

Westerbeke eg series diesel gensets.

With over 80 years dedicated to developing diesel generators for the marine environment, it's clear that Westerbeke has always been one step ahead of the competition. Designed exclusively for marine applications, our diesel generators represent a breakthrough in compactness, quietness, and reliability that has become the preferred choice of the most prestigious boat and yacht builders.

Westerbeke Marine Engines

Engines shown below are suitable for export from USA only.

Westerbeke 5.5 egcd.

Westerbeke 5.5 EGCD Diesel Generator

Hz: 60 kW: 5.0 RPM: 1800 Cylinders: 3

Length: 28.00 in. Width: 18.30 in. Height: 20.90 in. Weight: 356 lbs.

Westerbeke 7.6 EGTD

Westerbeke 7.6 EGTD Diesel Generator

Hz: 60 kW: 7.6 RPM: 1800 Cylinders: 3

Length: 28.40 in. Width: 19.00 in. Height: 20.50 in. Weight: 395 lbs.

Westerbeke 8.0 EGTD

Westerbeke 8.0 EGTD Diesel Generator

Hz: 60 kW: 8.0 RPM: 1800 Cylinders: 3

Length: 29.10 in. Width: 20.00 in. Height: 24.00 in. Weight: 476 lbs.

Westerbeke 10.0 EGTD

Westerbeke 10.0 EGTD Diesel Generator

Hz: 60 kW: 10.0 RPM: 1800 Cylinders: 3

Length: 32.20 in. Width: 20.50 in. Height: 24.00 in. Weight: 522 lbs.

Westerbeke 11.0 EGTD

Westerbeke 11.0 EGTD Diesel Generator

Hz: 60 kW: 11.0 RPM: 1800 Cylinders: 3

Westerbeke 12.5 EGTD

Westerbeke 12.5 EGTD Diesel Generator

Hz: 60 kW: 12.5 RPM: 1800 Cylinders: 4

Length: 35.30 in. Width: 20.50 in. Height: 24.00 in. Weight: 570 lbs.

Westerbeke 15.0 EGTD

Westerbeke 15.0 EGTD Diesel Generator

Hz: 60 kW: 15 RPM: 1800 Cylinders: 4

Length: 35.30 in. Width: 20.50 in. Height: 24.00 in. Weight: 574 lbs.

Westerbeke 29.0 EGED

Westerbeke 29.0 EGTD Diesel Generator

Hz: 60 kW: 29 RPM: 1800 Cylinders: 4

Length: 46.20 in. Width: 22.80 in. Height: 28.60 in. Weight: 1,135 lbs.

Sound Guard SST

Westerbeke 5.5 EGCD Diesel Generator

The Sound Guard SST enclosure provides optimum silencing for the generator. Ruggedly constructed with stainless steel base, frame and powder coated aluminum panels.

Trans Atlantic Diesels

Mailing Address : Trans Atlantic Diesels, Inc. P.O. Box 70 White Marsh, VA 23183

Shipping Address : Trans Atlantic Diesels, Inc. 5906 Fairfield Lane Hayes, VA 23072

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Acew Power Products

Ultimate Guide On The Best Marine Generators For Sailboats

by ACE Power Products | May 2, 2022 | phaser marine generator parts

Best Marine Generators For Sailboats | Ace Power Products

Using a small sailboat can make you eager to find out the best marine generators for sailboats. No AC, coffee maker, or a way to power batteries while in water can be frustrating!

Having a sailboat generator can make all this possible for you! You can go out into the waters without being afraid and knowing that you can still have your simple pleasures while at sea.

While portability is key, you also want to consider the size, power, sound, and practicality when choosing a generator. Here is a list to help you choose the best sailboat generator:

The Best Marine Generators For Sailboats

1. westinghouse igen2200.

The Westinghouse iGen2200 is one of the best marine generators for sailboats because it is easy to carry around. It is not only light in weight but also compact and relatively small. It is easy to carry it on and off the boat.

It works on a 79cc Westinghouse OHV 4-stroke engine that runs quietly, making it easy to talk with people on your boat and sleep peacefully without the loud roaring engine noise.

On a full tank of fuel of about 1.2 gallons, you can have it on for up to 12 hours! With such running time, you can do anything without worrying about when the power will be out. Your phone stays charged, and you can make calls in an emergency.

  • Long-running time
  • It is quiet
  • Easily portable
  • Hard to operate

2. KOHLER 5 EKD

The KOHLER 5 EKD is a gas-powered hydro generator for a sailboat, which is compact and easy to place in position. It has a sound shield, making it super convenient since it does not produce a loud noise.

It is environmentally safe since it has minimal emissions. With such a workhorse, you can be sure that you are using a sailboat generator that will not affect the environment or your health.

  • Easy portability
  • Environment friendly
  • High fuel consumption

3. Honda EU2200i

The Honda EU2200i is an inverter sailboat diesel generator that will give you such an easy time at sea. It has the 121cc Honda GXR120 that is very powerful and can take you up to 8 hours at sea.

You don’t have to worry about operating this generator since it comes with one controlling knob that makes it easy for you to remember what to use it for.

Its engine is not violent and loud; rather, it is quiet and helps you have a good time at sea without the loud sailboat generator engine noises.

  • Easy to use
  • It is compact
  • It is relatively quiet
  • Can operate for long hours

4. WEN 56200i

If you are looking for a pocket-friendly, the best hydro generator for a sailboat is the WEN 56200i. It is compact and lightweight, making it easy to carry onto the boat when using it and off the boat when not in use.

It will give you 6 hours with only one gallon of fuel. It gives you options to use it on eco-mode to give you more time on the fuel.

  • Has Eco-mode option
  • Budget-friendly
  • Hard to store due to its high height

Contact Us!

Call us at Ace Power Products, LLC , where we have the best marine generators for sailboats. Get yours today!

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Northern Lights Marine Generators And Technicold Air Conditioning and Refrigeration

Reliable. Durable. Simple. Every Northern Lights generator is designed for long life durability in the harshest marine environments. Our innovative engineering team has done away with excess and over-complicated parts. If a part doesn’t exist, it can’t fail. This reduction of components results in a more reliable, easier to maintain, longer lasting unit. Northern Lights Marine Diesel Generators are perfect for pleasure craft and commercial applications. We know that no two boats are exactly alike, which is why we offer custom solutions specifically tailored to your vessel’s needs.

Northern Lights generator sets comply with ABYC A-27 standards.

Read more about the Northern Lights advantage  HERE

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The Best Marine Generators for Small Boats: Top 5 Picks

Last Updated on September 26, 2023 by kiezelamquiz

a small boat parked in a dock, at the center of the image is the compact marine generator that powers the boat

Navigating the vast open waters on a small boat can be an exhilarating experience. However, to keep everything running smoothly and ensure an enjoyable journey, a reliable marine generator is essential.

Marine generators for small boats provide reliable power for onboard systems. Consider top products like the reliable and portable Honda EU2200i and the top-rated and ultra quiet Yamaha EF2000iSv2.

Read on to find out more about the top marine generators for small boats, the key factors to consider when choosing one, and some safety and maintenance tips to keep your power source running smoothly.

Top 5 Marine Generators for Small Boats (Starting With The Top 3)

47.4 pounds 46.3 pounds 55.2 pounds
Excellent Honda engine Affordable Very quiet
Efficient and easy to use Safe for sensitive electronics Excellent construction quality
Produces clean power Lightweight and portable Good power output

Having a basic understanding of marine generators helps narrow down your choices. Let’s look at five top-rated marine generators, each offering unique benefits to meet various needs on small boats.

1. Honda EU2200i

The Honda EU2200i is a portable generator renowned for its quiet operation and durability. This generator won’t disrupt your peaceful time on the water. Plus, its robust design ensures that it can withstand harsh marine environments.

Beyond its low noise level and durability, the Honda EU2200i boasts impressive fuel efficiency. This trait, along with its easy maintenance and clean power output, makes it a top choice among small boat generators.

  • Extremely quiet at only 48-57 dBA
  • Fuel efficient
  • Lightweight and portable
  • Parallel capability to double power
  • No electric start
  • Only provides 120V power
  • Low power output for larger boats

2. Westinghouse iGen2500

With its lightweight and compact size, the Westinghouse iGen2500 is built for portability and convenience. The sturdy frame and reliable power production make this generator well-suited for small boats.

While not as quiet as some models, the iGen2500 operates smoothly to provide steady, safe power for your sensitive electronics. The affordable price point makes this generator accessible for boating enthusiasts looking for an entry-level onboard power source.

  • Safe for sensitive electronics
  • Lightweight and portable design
  • Louder than some models at 52 dBA
  • Low power output

3. Yamaha EF2000iSv2

Weighing in at a mere 44.1 pounds, the Yamaha EF2000iSv2 Generator offers an excellent blend of portability and power. This lightweight generator doesn’t compromise on performance, providing stable power for a variety of onboard devices.

It features an “Eco Mode” that adjusts the engine speed to match the power load, enhancing fuel efficiency. This handy feature, coupled with its overall portability, makes it a popular choice among small boat owners. 

  • Only 51.5 dBA
  • Excellent reliability and construction quality
  • Good power output
  • Limited power for larger boats

4. Champion 3500-Watt

With a heavy-duty open frame build, the Champion 3500-Watt generator provides ample power for onboard appliances and electronics. The electric start feature allows quick, easy startup without excessive pulling and resistance.

Champion is trusted for durable, high-performance generators suited for recreation and home backup uses. And with a 3,500-watt output, this model can handle most electrical needs for small to mid-sized vessels. Just keep in mind the noise tradeoff of an open frame design.

  • Strong power output
  • Electric start is convenient
  • Champion is a leading brand
  • Very loud at 68 dBA
  • Heavy and bulky frame
  • No inverter

5. Generac GP3000i

Generac’s GP3000i packs advanced inverter technology into a compact, portable package weighing just 80 pounds. The TruePower design provides stable, clean electricity for sensitive devices.

With electric start capability and a robust set of outlets, the GP3000i can readily power appliances, lights, and electronics on your small boat. It’s not the quietest model, but considerably smoother than open frame generators. Overall, a solid mid-sized choice.

  • Electric start
  • Versatile power options
  • Compact size
  • Quieter than open frame
  • Heavier than some models
  • Still loud at 58 dBA

Understanding the Role of Marine Generators in Small Boats

a close up image of a marine generator tucked at the back of a small boat

Sailing away from the shore doesn’t mean you have to give up the conveniences of modern life. The key to this convenience lies in the ability of marine generators to power your boat’s systems. 

Why Invest in Marine Generators for Small Boats?

Marine generators for small boats are the unsung heroes of boating, providing the power needed to run everything from navigation systems and communication devices to kitchen appliances. 

Having a reliable generator on board can greatly enhance your boating experience, giving you the freedom to spend more time on the water without worrying about power limitations.

With the advent of more electrical devices in modern boats, the role of marine generators has become more critical than ever. Not only do they provide convenience, but they also offer safety, powering vital equipment that can be the difference between an enjoyable trip and a distressing situation. 

You might be interested to learn how to run a boat generator while underway .

Different Types of Marine Generators and Their Applications

Marine generators come in various types, primarily distinguished by their fuel source. 

Common types include diesel generators, propane generators, and gas generators to power your boat. Your choice among these will depend on factors such as your boat’s design, the availability of fuel, and your power requirements. 

Diesel generators, like the Cummins Onan Marine QD 3200, are known for their efficiency and longevity, making them an excellent choice for long trips. Gasoline generators, such as the Honda EU2200i, are typically more compact, suitable for smaller boats with limited space. 

Propane generators are a cleaner alternative, emitting fewer greenhouse gasses than their counterparts, but they require proper storage and handling for safety. 

Key Factors to Consider When Choosing a Marine Generator for Your Small Boat

Choosing the best marine generator requires understanding your boat’s needs and the generator’s specifications. Let’s explore the key factors to consider to ensure you choose a generator that will reliably meet your needs on the water.

Assessing Your Power Needs

The first step in selecting a marine generator is understanding your power needs. This involves listing all the devices and systems on your boat that require electrical power, from navigation systems and radios to kitchen appliances and lighting. 

After making the list, calculate the total power requirements. This information is typically found on the device’s label or in its user manual. 

Knowing your total power needs will guide you in selecting a marine generator that can meet these demands without straining its capacity.

Space Considerations on Your Boat

One unique aspect of choosing a marine generator for a small boat is the space limitation. It’s crucial to consider not just the generator’s size but also the space required for proper ventilation and access for maintenance. 

When selecting a generator, consider where it will be installed and whether there’s sufficient room for it. Compact and portable generators for boats like the West Marine Portable Generator or the Yamaha EF2000iSv2 Generator can be more suitable for smaller ones. 

Fuel Type and Availability

The type of fuel your generator uses is another crucial consideration. Different fuel types have varying availability, cost, storage requirements, and environmental impact. 

Diesel generators are typically more efficient and longer-lasting, but diesel fuel can be more challenging to store. Gasoline generators are more compact and have readily available fuel, but they tend to be less efficient. Propane is a cleaner fuel alternative, but it requires proper storage to ensure safety. 

Noise Levels and Comfort

Noise level is often overlooked when choosing a generator, but it can significantly impact your comfort on the boat. A noisy generator can disrupt your peaceful time on the water, making your journey less enjoyable.

When considering generators, look at their noise level ratings. Generators like the Honda EU2200i and the Cummins Onan Marine QD 3200 feature quiet operation, ensuring that your sea voyage remains a peaceful retreat.

Safety and Maintenance Tips for Your Marine Generator

Just like any other mechanical device, marine generators require regular maintenance to ensure their longevity and safety. Understanding the basic maintenance practices and safety measures can help you get the most out of your generator.

Regular Maintenance

Regular maintenance of your marine generator can prevent unexpected breakdowns and prolong its life. Maintenance tasks include regular oil changes, replacing air filters, checking the cooling system, and inspecting the generator for any signs of wear and tear.

Routine maintenance is also an opportunity to identify potential issues before they become major problems. It ensures your generator is in optimal condition to reliably power your boat, giving you peace of mind on your sea voyages. 

Proper Installation and Handling

Using a generator on a boat requires a keen awareness of safety considerations. Marine generators should always be installed in well-ventilated areas to prevent carbon monoxide build-up. 

Also, ensure that the generator’s exhaust system is appropriately installed and regularly inspected to avoid any leaks. Moreover, always handle fuel with care, and make sure you have appropriate fire extinguishing equipment onboard. 

Safety should be your top priority, ensuring your boating experience remains enjoyable and worry-free.

You might also be interested to learn about grounding a generator on a boat .

Ensuring a Reliable Power Source for Your Small Boat

Choosing the right marine generator for your small boat ensures a seamless blend of modern comfort with the serenity of the open waters. By understanding the role of generators, assessing your power needs, considering the space on your boat, and paying attention to fuel type and noise levels, you can select the perfect generator for your needs. 

Remember, the key to a reliable marine generator lies not just in the initial choice but also in regular maintenance and adhering to safety practices. 

Whether you opt for the compact West Marine generator, the quiet Honda EU2200i, or the efficient Cummins Onan Marine QD 3200, your sea voyages will be more enjoyable with a reliable power source. Navigate the waters with confidence, knowing that your marine generator has you covered.

Scott, generatorgrid.com founder

Scott Krager purchased generatorgrid.com in the summer of 2020 and quickly began to buy every generator under the sun! He currently has over a dozen generators and the number is growing quickly. He lives in Portland, OR near his family and friends.

GeneratorGrid.com is an independent review business. I am not affiliated with any manufacturers and do not accept paid reviews. When you buy through my links, I may earn a commission which helps me purchase more generators for testing. - Scott Krager

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  • beta marine Sale: Beta Marine Diesel Generator with Kubota Engine

beta marine Sale: Beta Marine Diesel Generator with Kubota Engine - $$3900 (Hatteras)

POSTED: 08/28/2024 at 10:16 AM

marine diesel generators for sailboats

For Sale: Beta Marine Diesel Generator with Kubota Engine

Specifications:

Power Output: 9kW

Voltage: 240V and 120V

Dimensions: 33″ L x 24″ T x 20″ D

Hours: Low (240 hours)

Description: Looking for a reliable power source for your boat? This Beta Marine Diesel Generator with a Kubota engine is the perfect solution! With a power output of 9kW, it provides ample energy for all your needs. The generator offers both 240V and 120V outputs, making it versatile for various applications. Operating at a smooth 1800 RPM, it

Price: $3,900

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  • NextGen Marine Generator

NEXTGEN UCM3-9.5 Ultra Compact Marine Generator 9.5kw

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Description

Warranty information, nextgen ucm3-9.5 9.5kw ultra compact marine generator.

The Next Generation 9.5KW Generator is one of the lightest, most compact and efficient gen-sets in its class.

  • Comes with or without an enclosure
  • Comes with the option for Ignition Protection
  • Mid speed operation provides low sound and vibration levels
  • Super efficient three vortex combustions system provides greater power output and cleaner burring exhaust while reducing fuel consumption
  • Compact size & light weight makes for an easy installation
  • One side service provides east maintenance
  • Ultra compact size and light-weight construction

To receive Special Pricing on this unit, please click on the Request Special Pricing form below.

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Product Features:

  • Cupro - Nickel Heat Exchanger
  • Water cooled exhaust manifold
  • Self priming sea water pump
  • Stainless steel water cooled exhaust system
  • Air Cleaner/intake silencer
  • Oil pressure & water temperature safety shutdown
  • Self tensioning drive system
  • 12 volt electric fuel pump
  • Extra resilient four point isolation mounts
  • “Easy Drain” oil change kit
  • Front side service
  • Marine grade tinned wire
  • Remote start panel with hour meter and harness
  • 3 Year Limited Warranty

Product Specifications:

  • Without Enclosure 24" Long x 21" Wide x 22" High
  • With Enclosure 27.5" Long x 23.5" Wide x 23" High
  • Without Enclosure 290lbs
  • With Enclosure 330lbs
  • Operating Speed:  2,800 RPM (Less wear and tear compared to a 3,600RPM Genset)
  • Output Volts:  120/240
  • Output Amps:  80/40
  • Output Watts:  9,500
  • Vertical, Water Cooled 4 Cycle diesel engine
3
2.83 x 2.90
54.8
21 @ 2800 RPM
Three Vortex
23:1
Bosch MD Mini Pump
Bosch “throttle” type
Fresh Water Heat Exchanger
Forced w/filter
#2 Diesel Fuel
API Service CD or CE
Vertical, Water Cooled 4 Cycle diesel engine
4.0 U.S. Quarts
12V Battery
40 AMP (Optional)
5/16"
1/4"
5/8"
2"

Optional upgrades:

  • Ignition Protection Certification
  • Fiberglass 3 piece sound enclosure
  • Full instrumentation panel
  • 20' or 30' Wire Harness

Downloads & Resources:

  • NextGen 9.5 Generator Brochure [ PDF ] 
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ABYC Announces New Marine Engines and Fuel Systems Certification

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First Course Open for Registration: Begins October 8

ANNAPOLIS, Md. (Sept. 27, 2024) – The American Boat & Yacht Council (ABYC) announced the launch of its new Marine Engines and Fuel Systems Certification course, a comprehensive program that combines the previously separate Gasoline Engines and Diesel Engines certifications into a single, streamlined certification. The first interactive online course will be held Oct. 8-24, running three days a week for three weeks from 3 to 4:30 p.m. ET.

Recognizing the evolving needs of marine technicians who often work on both gasoline and diesel engines, ABYC has developed this course to provide a more efficient pathway to certification.

“As the industry evolves, we recognize that many engine manufacturers train techs to their own brand-specific certifications,” said Tim Murphy, ABYC educator director. “By combining our previous Gasoline Engines and Diesel Engines certifications, ABYC addresses the whole boat from the fuel fill up to the point where fuel enters the engine. In the new course, gasoline and diesel engines each have a chapter dedicated to their specific needs.”

As most in-depth engine diagnostics and repairs are manufacturer-specific, this course focuses more on the ABYC Standards that apply to both gasoline (petrol) and diesel-fuel engines, and the systems they are connected to, such as fuel, electric, drives, and exhaust. The chapter on electrical systems is one of the best primers for non-electricians you’ll find. Basic troubleshooting, repair and maintenance of these various systems is addressed as well.

This course is ideal for marine technicians, repair shops, and others in the marine industry who are seeking to enhance their qualifications and ensure compliance with ABYC Standards.

For more information about the Marine Engines and Fuel Systems Certification course and to register, visit www.abycinc.org/events .

Since 1954, the nonprofit American Boat & Yacht Council (ABYC) has developed safety standards for boat design, construction, equipage, repair and maintenance. The essential global source of marine industry technical information, ABYC’s product safety standards, credentialing, education, training, and other tools help members make boating safer.

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Posted 2024-08-30 06:51

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Motoryacht DIESEL POWER - $32,000

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