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Commercial Cummins Generators Built for Serious Work

A commercial generator is more than a backup power source. It is equipment your operation may depend on every day. Cummins Onan generators are built for reliable performance in demanding environments, helping keep mobile businesses, service vehicles, emergency equipment, and commercial operations powered when it matters most. WB Engine Repair can help you compare generator options and choose a solution that fits your power requirements, application, and operating demands.

Commercial Mobile QG 7000i DF

7HGLCB-8315

A quiet dual-fuel commercial mobile generator for work trucks, food trucks, emergency vehicles, mobile service units, and specialty trailers. Its variable-speed inverter platform delivers clean power for electronics, tools, HVAC, and other mobile equipment while reducing noise and fuel use.

Features:

• Dual-fuel capability supports gasoline or LP-vapor installations

• Variable-speed engine and PMA alternator match output to the load

• Electronic fuel injection improves efficiency and reduces maintenance

• Clean sine-wave output supports computers and sensitive equipment

• J1939 interface allows integration with compatible vehicle controls

• White enclosure is suited to many commercial vehicle installations

Specifications:

• Rated output: 7.0 kW on gasoline / 6.5 kW on LP

• Fuel: Gasoline or LP vapor

• Electrical: 120/240V, 60Hz, single-phase

• Rated current at 240V: 29.2A gasoline / 27.1A LP

• Generator control: Variable-speed inverter with PMA alternator

• Certification: 50-state / CARB product family

Commercial QD 5000

5HDKBC-2860 / 5HDKBC-2861

A fully enclosed 5.0 kW commercial mobile diesel generator available in either 120V-only or 120/240V split-phase configurations. It is suited to service vehicles, mobile workshops, grooming vans, food trucks, and specialty vehicles that need quiet, dependable power for tools, lighting, HVAC, appliances, and electronics.

Features:

• Fully enclosed cooling system, muffler, and intake reduce operating noise

• Available in 120V-only and 120/240V split-phase configurations

• High motor-starting capability supports compressors, HVAC, and other inductive loads

• Four-point mounting helps isolate vibration from the vehicle body

• Single-side service access simplifies routine maintenance

• Multiple air-inlet options support varied compartment layouts

Specifications:

• Rated output: 5.0 kW

• Fuel: Diesel

• Frequency / phase: 60Hz, single-phase

• Model 5HDKBC-2860: 120V, 41.7A

• Model 5HDKBC-2861: 120/240V, 41.7A at 120V / 20.8A at 240V

• Operating speed: 1,800 RPM

• Application: Enclosed commercial mobile generator

Commercial QD 6000

6.0HDKAV-41934

A 6.0 kW variable-speed quiet diesel generator for commercial vehicles that require efficient 120V power for HVAC, tools, refrigeration, lighting, and electronics. The enclosed platform is designed to reduce noise without sacrificing motor-starting capability.

Features:

• Variable-speed operation matches engine speed to load demand

• Enclosed cooling system, muffler, and intake reduce operating noise

• High motor-starting capability supports demanding mobile equipment

• Four-point mounting system helps control vibration

• Digitally controlled fuel-pump flow supports consistent performance

• Single-side service access simplifies routine maintenance

Specifications:

• Rated output: 6.0 kW

• Fuel: Diesel

• Electrical: 120V, 60Hz, single-phase, 50A

• Generator control: Variable-speed operation

• Voltage configuration: 120V only

• Application: Enclosed commercial mobile generator

Commercial QD 7500

7.5HDKAT-41934

A 7.5 kW variable-speed quiet diesel generator for mobile businesses and specialty vehicles with larger 120V electrical loads. It provides additional capacity for simultaneous HVAC, refrigeration, tools, lighting, and onboard electronics.

Features:

• Variable-speed operation reduces noise and fuel use at partial load

• Fully enclosed design contains the cooling system, muffler, and intake

• High motor-starting capability supports compressors and HVAC equipment

• Four-point mounting system helps isolate vibration

• Single-side service access improves maintainability

• Multiple air-inlet configurations provide installation flexibility

Specifications:

• Rated output: 7.5 kW

• Fuel: Diesel

• Electrical: 120V, 60Hz, single-phase, approximately 62.5A

• Generator control: Variable-speed operation

• Voltage configuration: 120V only

• Application: Enclosed commercial mobile generator

Commercial QD 8000

8.0HDKAU-41934

An 8.0 kW variable-speed quiet diesel generator for higher-demand commercial vehicles and mobile workspaces. It offers enough capacity for multiple onboard systems while maintaining the enclosed, low-noise design needed for customer-facing or neighborhood operations.

Features:

• Variable-speed control adjusts output to changing electrical demand

• Enclosed cooling system and muffler reduce operating sound

• High motor-starting capacity supports HVAC and compressor loads

• Four-point vibration-isolating mount supports vehicle integration

• Digitally controlled pump flow supports efficient operation

• Single-side access simplifies service and inspection

Specifications:

• Rated output: 8.0 kW

• Fuel: Diesel

• Electrical: 120V, 60Hz, single-phase, 66.6A

• Generator control: Variable-speed operation

• Voltage configuration: 120V only

• Application: Enclosed high-demand commercial mobile power

Commercial QD 10000

10.0HDKCC-42345

A 10.0 kW enclosed diesel generator for commercial mobile applications that need 120/240V power for larger HVAC systems, tools, appliances, communications equipment, or medical and emergency systems. Its split-phase output provides flexibility across mixed-voltage loads.

Features:

• Fully enclosed cooling, intake, and exhaust systems reduce operating noise

• 120/240V split-phase output supports mixed-voltage equipment

• High motor-starting capability handles demanding startup loads

• Four-point mounting system helps isolate vibration

• Single-side service access improves maintenance efficiency

• Integrated battery-charging capability supports mobile installations

Specifications:

• Rated output: 10.0 kW

• Fuel: Diesel

• Electrical: 120/240V, 60Hz, single-phase

• Rated current: 83A at 120V / 42A at 240V

• Operating speed: 1,800 RPM

• Battery charger: 15A integrated charger configuration

Commercial QD 12000

12.0HDKCD-2209

The 12.0 kW Quiet Diesel model is designed for large commercial vehicles, command centers, emergency units, and specialty mobile platforms with substantial 120/240V power requirements. It provides the highest capacity in the enclosed commercial diesel group listed here.

Features:

• Heavy-load motor-starting capability supports demanding commercial equipment

• Enclosed cooling system, muffler, and intake reduce operating noise

• Four-point mounting system helps control vibration

• Self-diagnostic controls support troubleshooting

• Single-side service access improves maintenance access

• Designed for full-load operation in high ambient temperatures

Specifications:

• Rated output: 12.0 kW

• Fuel: Diesel

• Electrical: 120/240V, 60Hz, single-phase

• Rated current: 100A at 120V / 50A at 240V

• Operating speed: 1,800 RPM

• Battery charger: 15A integrated charger configuration

Commercial Standard Diesel 7500

7.5HDKAL-1 / -2 / -3 / -5

An open 7.5 kW commercial mobile diesel generator offered in multiple airflow, voltage, and phase configurations for engineered vehicle compartments. The series supports work trucks, command vehicles, food-service units, mobile workshops, and specialty equipment requiring dependable low-speed diesel power.

Features:

• Open commercial design supports custom vehicle-compartment installations

• Pusher- or suction-fan cooling is available for different airflow layouts

• Single-phase and three-phase configurations support common and specialized equipment

• Twelve-lead reconnectable alternator is available on the three-phase model

• Low-speed diesel operation and high motor-starting capability support demanding loads

• Low harmonic distortion and single-side service access improve power quality and maintainability

Specifications:

• Rated output: 7.5 kW

• Fuel / speed: Diesel, 1,800 RPM, 60Hz

• 7.5HDKAL-1: 120/240V single-phase, pusher fan, 62.5A at 120V / 31.3A at 240V

• 7.5HDKAL-2: 120/240V single-phase, suction fan, 62.5A at 120V / 31.3A at 240V

• 7.5HDKAL-3: 120/240V three-phase, approximately 22.6A, 12-lead reconnectable alternator

• 7.5HDKAL-5: 100/200V single-phase, pusher fan, 75A at 100V / 37.5A at 200V

Commercial Standard Diesel 10000

10.0HDKAG-61731 / 10.0HDKAG-61733

An open 10.0 kW commercial mobile diesel generator available in either 120/240V split-phase or 120/208V three-phase configurations. It is designed for larger work trucks, food-service vehicles, command units, mobile workshops, and specialty platforms with substantial electrical loads.

Features:

• Open commercial design supports custom compartment installation

• Available in split-phase and three-phase electrical configurations

• Pusher-fan cooling supports engineered mobile airflow management

• Low-speed diesel operation supports durability and long service life

• High motor-starting capability handles tools, HVAC, pumps, and compressors

• Low harmonic distortion, four-point mounting, and single-side service support stable operation and easier maintenance

Specifications:

• Rated output: 10.0 kW

• Fuel / speed: Diesel, 1,800 RPM, 60Hz

• Model 10.0HDKAG-61731: 120/240V single-phase, 83.3A at 120V / 41.7A at 240V

• Model 10.0HDKAG-61733: 120/208V three-phase, approximately 34.7A

• Cooling configuration: Pusher fan

• Application: Open commercial mobile generator

Commercial SD 20000

20.0HDKDB-01 / 20.0HDKDB-02

A compact 20.0 kW diesel generator for large mobile command centers, emergency vehicles, medical units, and commercial platforms. The SD20 series is available in single-phase or three-phase configurations for engineered vehicle compartments with high-demand electrical systems.

Features:

• High-output compact package is designed for large commercial mobile platforms

• Single-phase and three-phase configurations support mixed-voltage systems and specialized equipment

• EPA Tier 4 diesel engine supports current commercial mobile emissions requirements

• Low-vibration construction helps protect onboard electronics and equipment

• High-efficiency radiator supports operation in extreme ambient temperatures

• Multiple mechanical and electrical interface points simplify vehicle integration

Specifications:

• Rated output: 20.0 kW

• Fuel / speed: Diesel, 1,800 RPM, 60Hz

• Model 20.0HDKDB-01: 120/240V single-phase, approximately 167A at 120V / 83A at 240V

• Model 20.0HDKDB-02: 120/208V three-phase, approximately 69A

• Engine / certification: 36 hp Kubota diesel, EPA Tier 4

• Application: Open commercial mobile generator for engineered vehicle compartments

Need Help Choosing the Right Cummins Generator?

Tell WB Engine Repair what you need to power, how the generator will be used, and any space or installation requirements. Our team can help narrow down the best Cummins Onan options for your application and provide current pricing and availability. Contact us today to get started.

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