When reliability, fuel efficiency, low noise levels, and long-lasting performance matter most, Kubota Diesel Generators continue to be among the most respected power solutions in the commercial and industrial markets. Known for their rugged engineering and dependable diesel engines, Kubota Diesel Generators are trusted by contractors, construction companies, facility managers, emergency response teams, and business owners around the world.

One of the most popular models in the Kubota lineup is the Kubota Lowboy II GL11000, a compact yet powerful diesel generator capable of delivering 11 kW standby power and 10 kW prime power. Combining a liquid-cooled Kubota diesel engine, quiet enclosed design, multiple receptacle options, and convenient maintenance access, the GL11000 offers an excellent balance of power, durability, and user-friendly operation.

Whether you need dependable power for a construction site, backup power for a business, or a quiet diesel generator for commercial applications, the GL11000 demonstrates why Kubota Diesel Generators remain an industry favorite in 2025 and 2026.

Why Choose Kubota Diesel Generators?

For decades, Kubota Diesel Generators have built a reputation for delivering reliable power in demanding environments. Kubota’s commitment to engineering excellence has helped make the brand one of the most trusted names in diesel-powered equipment worldwide.

Businesses choose Kubota Diesel Generators because they offer:

Exceptional fuel efficiency
Long engine life
Quiet operation
Commercial-grade durability
Easy maintenance
Reliable starting
Proven performance in harsh environments

The Kubota Lowboy II GL11000 is a perfect example of these strengths.

Overview of the Kubota Lowboy II GL11000

The Kubota Lowboy II GL11000 is a professional-grade enclosed diesel generator designed to provide dependable power while maintaining low noise levels and compact dimensions.

Key Specifications

11 kW Standby Power
10 kW Prime Power
Single-Phase Output
120/240 Volt Operation
Kubota D722 Diesel Engine
Liquid-Cooled Design
Enclosed Steel Housing
Electric Start System
Multiple Receptacle Configurations
Commercial-Grade Construction

As one of the most versatile Kubota Diesel Generators, the GL11000 is suitable for both temporary and permanent power applications.

Reliable Kubota D722 Diesel Engine

At the heart of the GL11000 is the highly respected Kubota D722 engine.

Engine Features

3-Cylinder Design
Vertical Configuration
Liquid-Cooled System
Four-Cycle Operation
Compact Construction
Diesel Fueled

The D722 engine is widely recognized for delivering the durability and reliability that customers expect from Kubota Diesel Generators.

Benefits of the D722 Engine

Long Service Life

The liquid-cooled engine is designed for extended operation and years of dependable performance.

Excellent Fuel Economy

Kubota diesel engines are known for maximizing runtime while minimizing fuel consumption.

Reliable Power Delivery

The engine provides smooth operation and dependable power output across a wide range of applications.

These characteristics help explain why Kubota Diesel Generators continue to be trusted worldwide.

Powerful Single-Phase Output

The Kubota Lowboy II GL11000 provides:

Standby Power

11,000 Watts

Prime Power

10,000 Watts

Output Configuration

Single-Phase
Three-Wire
60 Hz
120/240 VAC

This output capacity allows the generator to power:

Construction equipment
Air compressors
Lighting systems
RV hookups
Small commercial buildings
Emergency backup systems
Power tools

For contractors and business owners, Kubota Diesel Generators provide dependable power when and where it is needed most.

Exceptionally Quiet Operation

One of the most impressive features of the GL11000 is its remarkably low noise output.

The enclosed design achieves approximately:

68 dB(A) at 23 Feet (7 Meters)

This makes it one of the quietest generators in its class.

Noise Reduction Features

Large Capacity Radiator

The oversized cooling system allows the fan to operate at lower speeds, reducing noise.

Large Integrated Muffler

The built-in muffler significantly lowers exhaust sound levels.

Extended Air Cleaner Hose

This feature minimizes intake noise.

Strategic Vent Placement

The enclosure’s vent system is specifically engineered to reduce sound transmission.

The quiet operation of Kubota Diesel Generators makes them ideal for residential neighborhoods, commercial properties, events, and job sites where noise restrictions may apply.

Durable Steel Enclosure

The GL11000 features a rugged painted steel enclosure designed to protect internal components from the elements.

Benefits include:

Weather Protection

The enclosure helps protect against:

Rain
Dust
Debris
Harsh environmental conditions

Sound Attenuation

The enclosure plays a major role in reducing operating noise.

Increased Durability

The heavy-duty construction contributes to the generator’s long service life.

These design elements reinforce the reputation of Kubota Diesel Generators for durability and reliability.

Multiple Receptacle Options

The Kubota Lowboy II GL11000 offers excellent versatility with several built-in receptacles.

Included outlets:

Two GFCI Duplex Receptacles

NEMA 5-20R
20 Amp

One Twist-Lock Receptacle

NEMA L5-30R

One NEMA L6-30R Receptacle

One California Standard RV Receptacle

CS-6369

These connections make Kubota Diesel Generators suitable for a wide variety of equipment and applications without requiring extensive adapters.

Convenient Single-Side Service Access

Maintenance efficiency is a major advantage of the GL11000.

The generator’s single-side service design provides easy access to:

Oil gauge
Oil filter
Oil refill port
Fuel filter
Air cleaner
Coolant drain
Battery compartment
Water reserve tank

This user-friendly layout helps reduce service time and maintenance costs.

The practical design is another reason professionals continue choosing Kubota Diesel Generators.

Starter Safety Relay Protection

The GL11000 includes a built-in starter safety relay.

Benefits

Prevents accidental starter engagement
Protects the starter motor
Improves reliability
Reduces wear and tear

This feature helps ensure dependable operation throughout the generator’s lifespan.

Rotating Field Brushed Alternator

The GL11000 utilizes a rotating field brushed alternator.

Advantages include:

Consistent power output
Durable construction
Reliable performance
Proven design

This alternator system complements the dependable reputation of Kubota Diesel Generators.

Standard Lifting Eye

Every GL11000 includes an integrated lifting eye.

This feature simplifies:

Transportation
Installation
Job site relocation
Equipment handling

Contractors particularly appreciate this practical design element.

Optional Remote Control Capability

The optional remote control key switch kit allows users to start and stop the generator remotely.

Advantages

Increased convenience
Improved accessibility
Better operational flexibility
Ideal for stationary installations

The generator can be operated from either:

Generator-mounted key switch
Wired remote control station

This flexibility enhances the value of Kubota Diesel Generators for commercial users.

Applications for Kubota Diesel Generators

Construction Sites

The GL11000 powers:

Electric tools
Temporary lighting
Compressors
Job site trailers
Concrete equipment

Emergency Backup Power

Businesses rely on Kubota Diesel Generators to provide backup power for:

Offices
Retail stores
Warehouses
Service facilities

RV and Recreational Applications

The included RV-style receptacle makes the GL11000 an excellent choice for recreational use.

Agricultural Operations

Farmers use Kubota Diesel Generators to power:

Pumps
Barn equipment
Lighting systems
Maintenance tools

Commercial Facilities

The generator can support:

Small businesses
Maintenance operations
Temporary power requirements
Facility upgrades

Advantages of Kubota Diesel Generators

Outstanding Reliability

Kubota engines are known for exceptional durability.

Quiet Performance

The GL11000 is among the quietest generators in its class.

Fuel Efficient Operation

Diesel technology reduces fuel consumption.

Easy Maintenance

Single-side service access simplifies routine maintenance.

Commercial-Grade Construction

Designed to withstand demanding work environments.

Compact Design

Offers substantial power in a relatively small footprint.

Maintenance Tips

To maximize the lifespan of your Kubota Diesel Generators, follow these recommendations:

Inspect Oil Levels Regularly

Proper lubrication protects engine components.

Replace Filters on Schedule

Clean filters improve performance and fuel economy.

Monitor Coolant Levels

The liquid-cooled system should be inspected regularly.

Keep the Enclosure Clean

Removing dirt and debris helps maintain cooling efficiency.

Test the Generator Periodically

Routine operation helps ensure reliability during emergencies.

Technical Specifications

Kubota Lowboy II GL11000

Standby Power: 11 kW
Prime Power: 10 kW
Engine: Kubota D722
Engine Type: 3-Cylinder Diesel
Cooling System: Liquid-Cooled
Frequency: 60 Hz
Voltage: 120/240 VAC
Phase: Single-Phase
Alternator: Rotating Field Brushed
Noise Level: 68 dB(A) @ 23 ft
Start System: Electric Start
Enclosure: Painted Steel
Service Access: Single-Side Design
Remote Start Option: Available

Final Verdict

The Kubota Lowboy II GL11000 is one of the most impressive compact diesel generators available today. Offering 11 kW standby power, a reliable Kubota D722 liquid-cooled diesel engine, quiet operation, multiple receptacle options, and easy maintenance access, it delivers everything contractors, businesses, and facility managers need in a professional-grade generator.

Whether you’re seeking backup power, construction site power, agricultural support, or a dependable commercial generator, the GL11000 showcases exactly why Kubota Diesel Generators continue to be trusted by professionals around the world. For users who demand durability, fuel efficiency, low noise levels, and long-term value, the Kubota Lowboy II GL11000 remains an outstanding choice for 2025 and 2026.