

Model: Onan QD12000 - A055E840 I 12HDKCD-2209 | 120/240 Volts | Watts - 12000W DIESEL | RPM - 1800 | Circuit Breaker: 45A 2-POLE
✅ IN STOCK - 3-5 DAY LEAD TIME
The Cummins Onan QD12000 Quiet Diesel delivers dependable power for commercial mobile applications.
Cummins Onan's diesel generators provide exceptionally quiet performance and proven reliability across multiple power outputs. With more than 100 years of expertise in power generation, Cummins creates solutions designed to meet the demands of your business.
Features and Benefits:
- Computer-controlled constant speed operation.
- Unique sound-controlled housing encloses cooling system and muffler - simplifies installation.
- Four-point, fully focalized internal mounting system reduces vibration with integrated secondary isolation system.
- Self-diagnostic capabilities simplify troubleshooting.
- Service and maintenance points accessible through easy-latch side service door.
- Convenient, top-mounted switches and coolant level check/fills.
- Automatic glow plug eliminates preheat time uncertainty.
Control System
- Microprocessor control
- Integrated generator set and engine control
- User and service personnel accessible diagnostics
- Over voltage, over speed and overload safety
- Low oil pressure safety
- AC alternator over temp safety
- Automatic timed glow plugs
- One touch stop
QD10000 Specifications
Physical Dimensions
- Weight: 815 lbs
- Size (L×W×H): 41.5" × 24.5" × 27"
- Sound: 68 dB(A) at 10-feet, half-load. Typical installation will further reduce sound level.
Alternator
- Design: Cummins Onan brush type, drip-proof construction, 4-pole.
- Insulation system: Class H
- Cooling: Direct drive centrifugal blower.
- Exciter System: Electronic voltage regulator
- Bearings: Double sealed, pre-lubricated ball bearing
Engine
- Configuration: Kubota 4-cycle, liquid-cooled diesel engine
- Cylinders: 4, inline vertical
- Displacement: 91.44 cubic inches
- Maximum Power: 24.8 hp (18.5 kW) EPA Tier 4 non-road
- Starting System: Remote, 12V
- Oil Capacity: 5.9 quarts
Fuel Consumption
- No Load: 0.38 GPH
- Half Load: 0.71 GPH
- Full Load: 1.28 GPH
Warranty
2-years or 2,000 hours, whichever occurs first. Parts and labor will be covered for
warrantable failures except routine maintenance during two years warranty coverage period.
Unmatched Global Support
Cummins generator sets are backed by the industry's most extensive network of authorized distributors and dealers—each trained to the highest standards. These expert partners guide you through every step, from selecting the ideal generator set and accessories to professional installation, ensuring your solution perfectly matches your application's unique demands.
Availability
In Stock - 3-5 Day Lead Time - Call Buckeye Power Systems 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 commercial mobile operators.