

Model: Onan QD8000 - A064K829 I 8HDKAK-1046 | 120 Volts | Watts - 8000W DIESEL | RPM - 3600 | Circuit Breaker: (2) 30A 2-POLE
✅ IN STOCK - 3-5 DAY LEAD TIME
Power Your Adventures with the Cummins Onan QD8000 Diesel Generator
Never Compromise on Comfort Again
Picture this: You're parked at your favorite campsite, the sun is setting over the mountains, and your family is gathered around the RV. The air conditioning keeps everyone cool, the TV entertains the kids, and you're running the microwave for dinner—all at the same time. No worries. No limitations. Just pure comfort.
That's the freedom the Cummins Onan QD8000 delivers.
Built for Serious RV Owners Who Demand More
With a robust 8,000 watts of diesel power, the QD8000 isn't just another generator—it's your ticket to off-grid independence. Whether you're boondocking in the desert, tailgating at the big game, or spending extended time at your favorite RV park, this powerhouse ensures you never have to choose between running your appliances and enjoying your trip.
Power Everything You Need, Whenever You Need It
The QD8000 delivers enough continuous power to run:
- Both roof-mounted air conditioners simultaneously
- Residential refrigerator and freezer
- Microwave, coffee maker, and other kitchen appliances
- Entertainment systems and satellite equipment
- Multiple device chargers and computers
- Hair dryers, space heaters, and more
No more calculating wattage or strategically timing when you use appliances. With the QD8000, you can live in your RV the same way you live at home.
Engineered by Cummins – The Name You Trust
For over 60 years, Cummins Onan has been the gold standard in RV power generation. The QD8000 continues that legacy with:
- Proven reliability tested in the harshest conditions
- Easy-access service panels for simplified maintenance
- Comprehensive warranty protection for total peace of mind
- Nationwide service network ensuring help is always nearby
- Advanced electronic governors for stable, clean power that's safe for sensitive electronics
Features and Benefits:
- Computer-controlled variable speed operation matches engine speed to load demand, minimizing noise level.
- Special sound-controlling housing encloses cooling system and muffler.
- Three-point, fully focalized mounting system reduces vibration.
- Self-diagnostic capabilities simplify troubleshooting.
- Easy, accessible maintenance points.
- Runs two 15000 Btu air conditioners with power to spare.
- High quality, pure sine wave electrical output helps prevent damage to appliances.
QD8000 Specifications
Physical Dimensions
- Weight: 420 lbs
- Size (L×W×H): 36.3" × 23.6" × 22.3"
- Sound: 66 dB(A) at 10-feet, half-load
Meets National Park Service sound level requirements (60 dB(A) @ 50 ft) for use in national parks. Typical installation will further reduce sound level.
Air Conditioning Starting
Two 15000 BTU air conditioners with 1000W base load at 100° F (38° C) at 500 foot elevation.
Alternator
- Design: Cummins Onan, permanent magnet
- Insulation system: Class H
- Cooling: Main engine fan cooled
- Exciter System: None
- DC brushes: None
- Bearings: None
Engine
- Configuration: 4-cycle, liquid-cooled diesel engine
- Cylinders: 3, inline vertical
- Displacement: 43.88 cubic inches
- Maximum Power: 16.6 HP (12.4kW)
- Starting System: Remote, 12V
- Oil Capacity: 2.8 quarts
Fuel Consumption
- No Load: 0.13 GPH
- Half Load: 0.49 GPH
- Full Load: 1.02 GPH
Air Conditioner Operation
- Will operate with two 15000 BTU air conditioners and an additional load of up to:
8000 kW - 3100W at 100°F and 500 ft altitude
Create Memories, Not Limitations
Your RV represents freedom—the freedom to explore, to disconnect, to spend quality time with the people you love. Don't let inadequate power hold you back from making the most of every trip.
The best family memories aren't created by worrying about whether you have enough power to run the air conditioning on a hot summer night, or whether you can microwave popcorn for movie night without shutting everything else off. They're created when you can simply relax and focus on what matters most.
The Cummins Onan QD8000 works quietly in the background, providing the reliable diesel power you need so you can focus on creating unforgettable moments with your family.
Ready to Upgrade Your RV Experience?
Join thousands of RV owners who trust the Cummins Onan QD8000 to power their adventures. Whether you're a weekend warrior or a full-time RVer, this generator delivers the performance, reliability, and peace of mind you deserve.
Don't just take trips. Take adventures powered by confidence.
Availability
In Stock - 3-5 Day Lead Time - Call us today for a shipping quote and get your RV powered up for your next adventure!
Experience the reliability and performance that has made Cummins Onan the preferred choice of RV owners for over eight decades.