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Kubota Generator Review

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Kubota generators are widely recognised as among the best in the industry. However, their price tag is higher than those of competing generator brands. Do they deserve the price tag if that's the case? Learn all about this Kubota generator and more by reading our review.

Who are Kubota Generators?

Kubota is the industry leader in manufacturing small, multi-cylinder, liquid-cooled diesel engines and generators. The Kubota Engine America Corporation (KEA) was established in 1998 in El Grove Village, Illinois, and it is responsible for the distribution of Kubota engines, generators, and service parts.

Beginning in 1890 in Osaka, Japan, Kubota Corporation has made countless innovations and contributions to society. In 1922, Kubota introduced the world to the first horizontal, liquid-cooled kerosene engine designed specifically for use in agriculture. This company saw the introduction of the first small diesel engine in 1976. 

When it comes to small, multi-cylinder, liquid-cooled diesel engines with less than 100 HP that meet pollution laws, Kubota is presently the leading manufacturer. 

Multiquip DA7000SSA2GH Kubota Diesel Generator, Single Side Service, 7kW, 120/240V

Kubota’s 2 most popular generators

Kubota generators are high-quality machines that provide a tonne of practical benefits.

These are the two most popular generators among their range. These two generators can be utilized for huge vehicles, construction sites, satellite offices, roadwork, local gatherings, and backup power for outlying locations.

1.   Kubota GL6000 Lowboy

This is a Kubota 6kva Lowboy Single Phase Diesel Generator with a 2-wire controller, and it comes with a 2-year warranty. With its compact design, quiet operation, and huge fuel tank, the Kubota GL6000, 6 kVA Diesel Generator, Series 3 is suitable for a broad variety of uses.

The GL6000 has a 6kVA capacity at 3000 RPM and operates silently thanks to its water-cooling and direct-coupled design.

This Kubota lowboy generator has a pre-installed DeepSea DSE4520 Two Wire Auto Start Controller. As a result, the generator is frequently employed as a secondary source of power in "off grid solar" installations.

2.   Kubota GL9000 Lowboy

The Kubota GL9000, 8.8kVA Diesel Generator, Series 3: has a modest design and low noise level that make it suited for a wide range of applications. The enormous gasoline tank and outstanding fuel economy further increase the length of time between refuelings.

The Kubota GL9000 is an 8kVA at 3000 RPM, two pole, silent type, water cooled, direct connected, single phase diesel engine.

A DeepSea DSE4520 Two-Wire Auto Start Controller is currently fitted. Due to this, the generator is widely used as a backup for "off grid solar" applications.

The Kubota Lowboy range's best features

Compact Form

Unlike most generators in its price range, this one packs a lot of power into a small footprint thanks to its radiator, engine, and fuel tank's unconventional layout.

The clue is in the name "Lowboy." Thanks to their compact profile, these Kubota generators can sometimes be installed in locations that would otherwise be inaccessible to larger units.

In spite of the engine's output and the generator's 28-liter fuel tank's long range, the generator nevertheless has good fuel efficiency. This is especially helpful in crowded settings like festivals or on construction sites.

The Kubota Lowboy allows you to store the generator inconspicuously at your house or place of business for backup power, or to just leave it in the back of your truck.

Strong and dependable

Greater dependability and lifespan are the benefits of Kubota's attention to detail.

Silent Operation

The larger muffler of the GL makes it one of the quietest generators available on the market. 

There are many advantages to using a modern silent generator. Kubota combines an extra-large muffler with a well-designed enclosure, a noise-absorbing duct, a longer, cleaner hose, and a quieter fan to reduce the noise level of the Lowboy generators.

Both the GL6000 and the GL9000 operate at remarkably low noise levels for their respective sizes (66.5 and 68 dBA at 7 meters).

Fuel efficiency

Constant operation is certainly possible for extended periods of time thanks to the engine's remarkable fuel efficiency and the larger fuel tank.

It may be good to spend more money on a more expensive generator if it has great fuel economy. That's the way it is with these great generators. In addition to its highly efficient diesel engines, our testing of the Kubota generator also revealed that it has extremely lengthy operating times between fuelings.

The initial fuel consumption of the Lowboys is around 2.4 liters per hour when operating at full power. Diesel generators of similar size and output from different manufacturers consume roughly 3 liters of diesel per hour.

Eco friendly

In the case of a power outage, this is one of the most recommended diesel generator models for use in solar backup systems, emergency power for remote homes and businesses, construction sites, branch offices, road maintenance, special events, and large vehicles.

Both units come complete with a Deep Sea Two Wire Auto Start Controller installed, allowing them to function as a solar power backup system even while disconnected from the grid. The study of Kubota generators shows how great they are as a backup power source for homes and small businesses.

You may connect the generator safely to your home's or business's electrical systems by adding an optional Auto Mains Failure (AMF) panel. In the case of a power failure, the AMF will automatically switch to using the backup generator.

When the utility company's electricity comes back on, the switch is made back to the grid again.

Kubota diesel generators are widely acknowledged as the most dependable and durable in the industry.

Water Cooling

The water-cooled diesel engine's other benefits include its low noise level and stable operating temperature.

Besides these, there are more options, with capacities ranging from 6 kVA to 9 kVA, for air-cooled diesel generators. These alternate options may be cheaper, but water-cooled systems are better suited to 24/7 operation.

Guaranteed for two years

If you still aren't convinced by Kubota's meticulous design and reputation for reliability, consider this: each Lowboy generator is backed by a two-year warranty.

Kubota also has an extensive network of service agents across the country to assist with anything from finding a specific part to providing warranty and service support.

It's also worth looking into these other Kubota generators:

Micro Diesel Generator (3.5 kW) by Kubota

The ultra micro 3.5 kW Kubota powered generator is one of the lightest, most dependable, most fuel-efficient generators in its class. constructed for heavy-duty use in commercial settings, recreational vehicles, trailers, and trucks.

Next Generation Powers has made a name for itself in the industry by developing ultra-compact power packages that can fit in places where this was previously impossible.

Next-Gen has the expertise to tailor its products to your needs thanks to its 20+ years in the industry and extensive catalog of patents. After beginning with simple, standard units, you can then add features and extras to provide a perfect match for your needs.

It's important to note that the 2800 RPM these machines rotate at is lower than the 3600 RPM of a diesel generator. The most reliable, quietest, and most portable Kubota Diesel generators on the market today. Perfect for industrial applications, trucks, RVs, and trailers, where size, weight, and dependability are important factors.

The Next-Gen Ultra-Compact UCMI 3.5 is one of the smallest diesel generator sets on the market, being just 16′′ tall. This unit is typically paired with a remote radiator and electric fan assembly.

Kubota 3.5 kilowatt marine generator

The ultra-compact 3.5 kW maritime generator powered by a Kubota engine is one of the lightest, most dependable, and fuel-efficient generators in its class.

Because of its mid-range speed, noise and vibration are minimal. These reduced operation speeds to minimize noise levels and lengthen life.

The Kubota diesel engine is robust and reliable since it has been freshwater marinized. On average, fuel consumption is only 2/10 GPH and both size and weight are relatively low.

It has a Heat Exchanger Made of Nickel and Copper. There is a Self-priming impeller pump installed to the unit, coupled with a water and stainless steel exhaust mixer.

Intake silencer/purifier is high quality, and there is of course a Water temperature and oil pressure safety shutoff. The gas pump uses 12 volts of electricity.

This mounting method has four solid anchor points making it safe and secure.

There is also an “Easy Drain” oil change system with a washable oil filter.

Kubota G-20 diesel generator

These sets have multiple engine and generator options to suit a wide range of business needs, and were designed with the end user in mind.

Anderson Industrial Engines designed, tested, and manufactured both open and enclosed units that can significantly improve your business. These setups are versatile because of their user-friendly design and the many engine and generator options available.

Prominent features of the Kubota G-20
Possible to use alternative fuels.
Vibration-free, silky smooth operation.
There are no squeaky parts, the noise level is low, and the engines are in good working condition.
Several different functions on the control panel. Includes a primary circuit breaker and has real-time measurement of voltage, frequency, and current.
Optional Sheet Metal Enclosure, and uses fuel-saving electronic fuel systems.
Safety shut down based on temperature, pressure, and emergency stop.
The ignition can be remotely started.

Kubota's GL11000 Generator

Space and the environment are both protected by this powerful generator, having a compact form factor, low operational noise, and a single point of serviceability.

Relying on anything but Kubota's reliability and performance would be a risky proposition, as they are one of the leading generator manufacturers.

The generators in Kubota's GL Series are engineered to provide stable power and come with a number of convenient features that increase their efficiency and make their operation less of a hassle.

Compact design

Kubota's GL Series of generators have vertical diesel engines that allow for ultra-compact design while maintaining maximum power. The direct engine coupling and unique cooling system allow the generator to have a smaller footprint, allowing it to be used in more locations.

The Decrease of Emissions

Kubota diesel engines powering your GL Series generators meet all of the EPA's Tier 4 final emission standards.

Simple Maintenance

All maintenance can be performed via the generator's single, sizeable access panel. Extra-long drain hoses for the engine oil and coolant are included for your convenience during regular maintenance.

Terminals and Receptacles

When it comes to the United States, Lowboy II generators are only offered with Canadian-standard plugs and connections. When you buy a LowboyPro, you get a single unit that serves as both a terminal block and a plug.

With the addition of an automated start module, this can serve as either a primary power source for a building or a residence that is off the grid, or as a backup power source in the event of a power outage. Don't forget that the devices are not watertight.

The engine is a high-end Kubota D722 type, which has three cylinders, 18.9 horsepower, is diesel-powered, is liquid-cooled, and has electronic ignition.

At 3600 RPM with a primary voltage of 120/240 VAC single-phase 60 Hertz, with voltage accuracy, this model generates 9.9 kW of prime power and 11 kW (11 kVA) of standby power.

The decibel reading at 23 feet is 68.

Final Thoughts

The research and testing of the Kubota generators led us to the conclusion that there aren't many other high-quality water-cooled solutions available in this size that provide the same combination of portability and durability that is so often needed in a standby generator.

There is a high price tag, but you can rest assured that you are getting a high-quality device that can withstand rigorous use.

There are cheaper options available, especially for less demanding tasks. However, we believe that a Kubota is the finest alternative if you plan to use the generator frequently or for substantial business objectives.

About Tom Bell

Hey, I’m Tom, the owner of Generator Reviews! I built this website to help you get the very most out of your generator and select the correct one for your personal circumstances. This site contains reviews of virtually every generator, detailed buying guides, as well as maintenance advice to help you keep yours in tip-top shape!

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