Quiet Diesel Series
Cummins Onan Commercial QD 12kW Diesel 120/240V | 12.5HDKCB-11506
Cummins Onan Commercial QD 12kW Diesel 120/240V | 12.5HDKCB-11506
Professional-grade 12kW commercial diesel generator engineered for demanding applications. Delivers clean, pure sine wave power while meeting National Park Service sound requirements with exceptional reliability.
Cummins Onan Commercial QD 12kW Diesel 120/240V | 12.5HDKCB-11506
The Cummins Onan Commercial QD 12kW Diesel 120/240V is engineered for commercial applications requiring quiet, dependable power. Part of the Quiet Diesel Series, this 12.5kW unit operates at just 68 dBA at 10 feet, meeting all National Park Service sound level requirements (60 dBA at 50 feet). The fully enclosed, sound-insulated cabinet with USDA-approved spark-arresting muffler ensures quiet operation in sensitive environments. Digital voltage and frequency regulation deliver pure sine wave power that protects sensitive equipment. The 3-cylinder liquid-cooled diesel engine provides reliable, efficient operation with microprocessor-based controls and onboard diagnostics. Backed by a comprehensive 3-year limited warranty with 90-day adjustment policy.
Key Features
- Meets National Park Service sound requirements—60 dBA at 50 feet
- Pure sine wave output with ±2% voltage and ±0.1% frequency regulation
- Sound-insulated enclosure with focalized vibration reduction
- USDA Forest Service-approved spark-arresting muffler
- Microprocessor-based controller with onboard diagnostics
- Digital voltage regulation exceeds ANSO/RVIA requirements
- Timed glow plugs for fast, reliable cold starts
- Electric fuel pump ensures consistent fuel delivery
- Protected by 50-Amp 2-Pole circuit breaker
- Waterproof connector for remote operation capability
- Hour meter for service tracking
- Low oil and overspeed protection
Ideal Applications
- • Commercial mobile operations
- • Food truck and catering operations
- • Construction site backup power
- • Event rental applications
- • Temporary commercial power
- • Mobile service businesses
- • Low-noise critical applications
- • Multi-AC unit commercial use
Fuel Consumption
| Load | Consumption |
|---|---|
| 50% Load | 0.48 Gallons per Hour |