Features and Benefits of Kubota Lowboy Pro II 7kW Diesel Generator

Kubota Lowboy Pro II Series GL7000 7,000-Watt Diesel Generator

Product Overview

The Kubota GL7000 Lowboy II Series Diesel Generator is a compact, liquid-cooled diesel generator designed to provide dependable electrical power for commercial, industrial, construction, and backup-power applications. Its 7,000-watt standby output and 6,500-watt prime output make it suitable for applications that require reliable single-phase power without the larger footprint of a conventional generator.

Kubota's Lowboy II design uses a vertical diesel engine and direct-coupled generator, allowing the unit to maintain a low overall profile while minimizing power loss between the engine and generator. The GL7000 also features one-side service access, a large fuel tank, automatic safety shutdowns, and provisions for stationary or automatic-transfer-switch applications.

Key Features

• 7,000 watts (7.0 kW) standby output
• 6,500 watts (6.5 kW) prime output
• Kubota diesel engine
• Liquid-cooled engine design
• 60 Hz operating frequency
• Single-phase, 120/240V output
• Direct-coupled engine and generator
• Low-profile vertical-engine configuration
• 7.4-gallon diesel fuel tank
• One-side maintenance access
• Double-element air cleaner
• Automatic shutdown for high coolant temperature or low oil pressure
• Double circuit-breaker protection
• One-point lifting eye
• Forklift pockets
• ATS connection capability
• Quiet operating design
• Suitable for commercial and stationary applications

Product Specifications

The output, voltage, phase, power factor, direct-coupling, and current specifications are documented by Kubota for the GL7000.

7 kW Standby Power

The GL7000 provides 7.0 kW of standby power and 6.5 kW of prime power.

Standby output is intended for applications where the generator operates as an emergency or backup source, while prime output represents the generator's continuous-duty rating. This distinction is important when sizing the unit for a particular electrical load.

The generator produces 120/240V single-phase power and has a power factor of 1.0. At its rated output, the published current is approximately 54.2 amps at 120V or 27.1 amps at 240V.

Kubota Liquid-Cooled Diesel Engine

The GL7000 uses a Kubota diesel engine with liquid cooling. The liquid-cooled design is well suited to extended generator operation because engine temperature is regulated through a dedicated cooling system rather than relying solely on ambient airflow.

The vertical-engine arrangement is a defining feature of the Lowboy II platform. Kubota designed the configuration to achieve a low overall profile while maintaining the power required for commercial generator applications.

Direct-Coupled Generator

The engine and generator are direct coupled, eliminating the need for an intermediate belt-driven generator arrangement.

According to Kubota, direct coupling is intended to improve reliability and minimize power loss between the engine and generator.

Compact Lowboy II Design

The Lowboy II series is designed around a low-profile footprint. The vertical diesel engine and direct coupling allow Kubota to keep the generator's overall height relatively low while maintaining a substantial power output.

This design can be particularly useful where generator height or available installation space is limited.

7.4-Gallon Fuel Tank

The GL7000 is equipped with a 28-liter (7.4 U.S.-gallon) diesel fuel tank.

The larger-capacity tank helps reduce the frequency of refueling during extended operation. Actual runtime depends on the electrical load, ambient conditions, engine condition, and operating environment.

One-Side Maintenance Access

Routine service is simplified through one-side maintenance access.

Kubota designed the GL Series so that key maintenance points can be reached from a single large access panel. Oil and coolant drain extensions are also incorporated to make scheduled fluid servicing more convenient.

This arrangement can be especially useful on job sites where access around all four sides of the generator may be restricted.

Extended Oil-Service Interval

The GL7000 uses a larger-capacity oil pan designed to extend the oil-change interval to up to 200 operating hours, depending on operating conditions and the applicable maintenance schedule.

Operators should always follow the maintenance intervals specified in the appropriate Kubota service documentation for their particular unit.

Safety and Protection Systems

The GL7000 incorporates multiple protective features designed to help prevent damage during abnormal operating conditions.

Automatic Engine Shutdown

The generator can automatically shut down when:

• Engine coolant temperature becomes excessively high
• Engine oil pressure drops below a safe level

These safeguards help protect the diesel engine from potentially serious damage.

Circuit Protection

Double circuit-breaker protection is provided for the generator and receptacle circuits. This helps protect the electrical system against excessive current.

Dual-Element Air Cleaner

A double-element air cleaner is standard equipment.

This configuration provides additional protection in dusty operating environments, making the generator well suited to construction sites and other locations where airborne dirt and debris are common.

Quiet Operation

Kubota lists the GL7000 at approximately 66 dB(A) at 23 feet (7 meters) during rated output.

The low noise level is supported by features including a slower-speed cooling fan, built-in muffler, and measures intended to reduce intake noise.

Transportation and Handling

Moving a commercial diesel generator requires appropriate lifting and handling equipment. The GL7000 incorporates features intended to simplify transportation, including:

• One-point lifting eye
• Forklift pockets

These features make the unit easier to position at construction sites, commercial facilities, and other locations where the generator must be moved with material-handling equipment.

Automatic Transfer Switch Compatibility

For stationary applications, the GL7000 includes an ATS terminal/access point for connection to an automatic transfer switch.

This allows the generator to be incorporated into an appropriately designed backup-power system. Installation and electrical connections should be performed by qualified personnel in accordance with applicable electrical codes and the generator manufacturer's instructions.

Typical Applications

The Kubota GL7000 is suitable for a variety of applications, including:

• Construction sites
• Commercial facilities
• Industrial operations
• Food trucks and mobile businesses
• Backup power systems
• Stationary emergency power
• Remote work locations
• Equipment and jobsite power
• General-purpose commercial power generation

Kubota specifically positions its GL Series for applications such as construction and food-service operations where dependable power is important.

Benefits at a Glance

Reliable Diesel Power

The liquid-cooled Kubota diesel engine is designed for dependable operation in demanding commercial environments.

7 kW Standby Capacity

The 7,000-watt standby rating provides useful capacity for backup and emergency applications.

Low-Profile Configuration

The vertical-engine Lowboy II design provides substantial power while maintaining a compact overall profile.

Easy Service Access

One-side maintenance access simplifies routine inspection and servicing.

Built-In Protection

Automatic shutdown systems and circuit protection help safeguard the engine and electrical components.

Flexible Installation

120/240V single-phase output and ATS capability make the GL7000 suitable for a range of commercial and stationary power configurations.

Maintenance Recommendations

To maintain reliable performance, operators should:

• Check engine oil regularly.
• Follow the prescribed oil-change interval.
• Inspect coolant level and condition.
• Maintain the cooling system.
• Inspect and replace air-filter elements as required.
• Check fuel-system components for leaks.
• Inspect battery connections.
• Check electrical connections and circuit breakers.
• Keep the radiator and cooling-air passages clean.
• Inspect belts, hoses, and other wear components.
• Keep the generator enclosure and surrounding area free of debris.
• Follow the Kubota service manual for scheduled maintenance.

Maintenance intervals can vary according to operating conditions, load, ambient temperature, and application.

Product Specifications at a Glance

• Brand: Kubota
• Model: GL7000
• Series: Lowboy II
• Fuel: Diesel
• Cooling: Liquid cooled
• Standby Output: 7.0 kW / 7.0 kVA
• Prime Output: 6.5 kW / 6.5 kVA
• Frequency: 60 Hz
• Voltage: 120/240V
• Phase: Single phase
• Power Factor: 1.0
• Rated 120V Current: 54.2 A
• Rated 240V Current: 27.1 A
• Fuel Tank: 7.4 gal. / 28 L
• Generator: Rotating-field AC
• Coupling: Direct
• Air Cleaner: Double element
• Maintenance Access: One side
• Lifting: One-point lifting eye
• Handling: Forklift pockets
• Noise: Approximately 66 dB(A) at 23 ft. at rated output
• ATS Connection: Supported
• Primary Applications: Commercial, industrial, construction, and backup power

Important Product Note

The product title describes this unit as a “Lowboy Pro II” generator, but Kubota's current documentation identifies the GL7000 specifically as a LOWBOY II model. Kubota's official specifications list 7.0 kW standby and 6.5 kW prime output, rather than 7.0 kW continuous/prime output.

For an ecommerce listing, the safest approach is to retain the seller's GL7000 SKU/model designation while presenting the electrical ratings using Kubota's published specifications. The 50-state designation should likewise be confirmed against the exact emissions label or configuration being sold rather than inferred solely from the model name.