Cummins Onan QD 3200 - A066G703 (3.2HDZAA-6508) Commercial Mobile & RV Diesel Generator - 3.2kW
Cummins Onan QD 3200 Diesel Generator | Model 3.2HDZAA-6508 | Item A066G703 | 3.2kW | 120V | Commercial Mobile & RV
The Cummins Onan QD 3200 Diesel Generator (Model 3.2HDZAA-6508, Item A066G703) delivers dependable 3,200 watts of commercial-grade power for both commercial mobile equipment and compatible diesel-powered RVs. Designed to provide quiet operation, excellent fuel economy, and long service life, the QD 3200 is an ideal onboard power solution for service trucks, utility vehicles, emergency response units, food trucks, horse trailers, specialty trailers, and motorhomes that require reliable diesel-powered electricity wherever work or travel takes you.
Powered by a durable diesel engine and housed inside Cummins Onan's proven sound-attenuated enclosure, the QD 3200 provides stable 120-volt, 60 Hz electrical output while minimizing operating noise and vibration. The compact design allows installation in vehicles and equipment where space is limited without sacrificing reliability or performance.
Whether powering air conditioners, battery chargers, lighting, refrigeration, communications equipment, power tools, appliances, or other onboard electrical systems, the Cummins Onan QD 3200 is engineered to deliver dependable performance in demanding commercial and recreational environments. Backed by decades of Cummins Onan engineering, it remains one of the industry's most trusted installed diesel generators.
Key Features
- 3,200 watts (3.2kW) continuous power output
- 120V single-phase electrical output
- 60 Hz operation
- Fuel-efficient diesel engine
- Quiet Diesel sound-attenuated enclosure
- Compact design for easier installation
- Stable electrical output for sensitive electronics
- Low vibration for quieter operation
- Commercial-duty construction
- Designed for long service life
- Excellent fuel economy for extended runtime
- Ideal for Commercial Mobile and RV applications
- Built by Cummins Onan, a leader in mobile power generation
Technical Specifications
- Manufacturer: Cummins Onan
- Series: QD 3200 Quiet Diesel
- Item Number: A066G703
- Model Number: 3.2HDZAA-6508
- Running Wattage: 3,200 Watts (3.2kW)
- Voltage: 120V
- Frequency: 60 Hz
- Phase: Single Phase
- Rated Current: 26.7 Amps
- Fuel Type: Diesel
- Cooling System: Air Cooled
- Starting System: Electric Start
- Circuit Breaker: 30 Amp
- Power Factor: 1.0
- Enclosure: Sound-Attenuated
What Can the QD 3200 Power?
With 3,200 watts of continuous output, the Cummins Onan QD 3200 can power a wide variety of onboard equipment, including:
- One RV air conditioner (depending on starting requirements)
- Residential or RV refrigerator
- Microwave oven
- Coffee maker
- Televisions and entertainment systems
- Battery chargers and inverter systems
- LED lighting
- Communications equipment
- Computers and sensitive electronics
- Power tools
- Small air compressors
- Mobile office equipment
- Medical equipment
Ideal Applications
- Commercial service trucks
- Utility vehicles
- Fleet maintenance vehicles
- Emergency response vehicles
- Food trucks
- Mobile workshops
- Construction support vehicles
- Telecommunications vehicles
- Horse trailers
- Toy haulers
- Specialty trailers
- Diesel-powered Class A motorhomes
- Compatible Class C motorhomes
- Off-grid mobile applications
Why Choose the Cummins Onan QD 3200?
The Cummins Onan QD 3200 is designed for owners who require dependable installed diesel power without sacrificing valuable storage space. Its compact footprint, quiet operation, and proven diesel reliability make it one of the most popular generators for smaller commercial vehicles and diesel-powered RVs.
The sound-attenuated enclosure helps reduce operating noise while protecting internal components from demanding operating conditions. Combined with excellent fuel economy and commercial-duty construction, the QD 3200 provides dependable performance for years of service.
Whether installed in a mobile business, emergency vehicle, service truck, horse trailer, or recreational vehicle, the Cummins Onan QD 3200 delivers reliable onboard power backed by one of the most respected names in mobile power generation.
Why Choose a Quiet Diesel Generator?
Quiet Diesel generators are designed to provide excellent fuel efficiency, dependable performance, long engine life, and quieter operation than many conventional generators. Their sound-attenuated construction helps reduce noise while maintaining proper cooling and protecting internal components from harsh operating environments, making them ideal for commercial fleets and RV owners alike.
Replacement Generator Information
The Cummins Onan QD 3200 (Model 3.2HDZAA-6508, Item A066G703) is commonly selected as a replacement generator for compatible diesel-powered RVs, commercial vehicles, horse trailers, and specialty mobile equipment originally equipped with a Cummins Onan QD 3200 generator. Always verify mounting dimensions, electrical connections, fuel system compatibility, and application requirements before replacing an existing generator.
What's Included
- Cummins Onan QD 3200 Diesel Generator
- Model 3.2HDZAA-6508
- Item Number A066G703
- Factory-installed sound-attenuated enclosure
- Installation documentation
- Operator's manual
- Cummins manufacturer's warranty
Frequently Asked Questions
What can a 3.2kW diesel generator power?
The Cummins Onan QD 3200 can operate an RV air conditioner (application dependent), refrigerator, microwave, battery charger, lighting, televisions, communications equipment, power tools, and many other onboard electrical loads.
Is the QD 3200 designed for commercial applications?
Yes. The QD 3200 is engineered for both commercial mobile equipment and compatible diesel-powered recreational vehicles requiring dependable onboard power.
Is this generator quiet?
Yes. The integrated Quiet Diesel sound-attenuated enclosure helps reduce operating noise and vibration while maintaining proper engine cooling.
What fuel does the QD 3200 use?
This generator operates exclusively on diesel fuel, providing excellent fuel economy, dependable performance, and long engine life.
Can it power sensitive electronics?
Yes. The QD 3200 provides stable electrical output suitable for computers, communications equipment, battery chargers, and other sensitive electronics when installed properly.
Where is the QD 3200 commonly installed?
It is commonly installed in service trucks, utility vehicles, food trucks, horse trailers, emergency response vehicles, specialty commercial equipment, diesel-powered Class A motorhomes, and compatible Class C RVs.
Why choose a diesel generator?
Diesel generators are known for excellent fuel efficiency, dependable long-term reliability, extended engine life, and lower operating costs for many commercial and RV applications.
Is professional installation recommended?
Yes. Professional installation helps ensure proper fuel connections, ventilation, electrical integration, cooling airflow, and safe operation.
Can the QD 3200 replace an older Onan generator?
In many applications, yes. Always verify mounting dimensions, fuel system compatibility, electrical requirements, and manufacturer recommendations before replacing an existing generator.
Who is this generator best suited for?
The Cummins Onan QD 3200 is ideal for commercial fleet operators, contractors, emergency response organizations, food truck owners, horse trailer owners, RV owners, and anyone needing dependable installed diesel power in a compact package.