Cummins Onan QD 12500 12.5kW RV Generator 12.5HDKCB11506 RV Diesel Single Phase 120 Volt Liquid Cooled New
The Cummins Onan 12.5HDKCB exceeds National Park Service sound level requirements (60 dB(A) @ 50 ft) for use in national parks. The 12.5HDKCB is capable of running three air conditioners with power to spare. With its high quality, pure sine wave electrical output. This generator helps prevent damage to appliances. Cummins backs this generator with a standard 3 year limited warranty.
Features
- 12.5 kW Diesel Powered RV Generator (Model 11506)
- Designed for Type A RVs w/ 3 AC units (50A 2-Pole Breaker)
- Runs 3 15,000 BTU AC units w/ 5000 additional watts available
- Cummins Onan 1499cc Liquid-Cooled Diesel Engine
- Automatic timed glow plugs for quick & easy starting
- Elec. fuel pump w/ full oil & fuel filter (.48 Gal/h @ 1/2 Load)
- Microprocessor Controlled
- Self-diagnostic capability to simplify troubleshooting
- High Quality, Pure Sine Wave Electrical Output
- Digital voltage regulator prevents damaging spikes
- Computer-Controlled Variable Speed Operation
- Matches engine speed to load demand, minimizes noise levels
- Sound-Attenuating Design w/ USDA Approved Spark-Arrestor Muffler
- Lowers noise levels while providing cross-flow cooling
- Three-Point, Fully Focalized Mounting System
- Reduces vibration for quieter operation
- Stationary exhaust pipe connection point for easy installation
- Integrated Generator Set & Engine Control
- Provides user friendly controls and safety features
- 3 Year / 2000 Hour Warranty
Specifications
| Idle Control |
Yes |
| Hour Meter |
Yes |
| Fuel Consumption |
.38-1.28 gallons/hr |
| Circuit Breaker Size |
50 Amps |
| Min. Air Inlet - Front |
19" x 12" |
| Min. Air Outlet - Bottom |
15" x 16" |
| Grade Type |
Recreational |
| Engine Brand |
Cummins Onan |
| Starting System |
12-Volt Button Start |
| HP |
27 HP |
| CC |
1499 CC |
| Consumer Engine Warranty |
3 Years |
| Low Oil Alert/Shutdown |
Yes |
| Product Category |
Generator - RV |
| Weight |
787 Pounds |
| Consumer Warranty |
3 Years |
| Product Style |
RV Generator |
| Product Length |
41.4 Inches |
Manual
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User's Manual
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Specification Sheet
Brochure
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WarrantyÂ
What Our Experts Think
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Powerful Output: Delivers 12.5kW of consistent, single-phase power, ideal for large RVs and demanding appliances.
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Fuel Efficiency: Diesel-powered engine ensures extended run times and lower fuel consumption.
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Liquid-Cooled Durability: Engineered with liquid cooling for superior performance and longevity.
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Quiet & Reliable: Operates with minimal noise, perfect for RV parks or quiet camping locations.
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Premium Design: Built to meet the rigorous demands of RV enthusiasts, ensuring reliability in any environment.
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Ease of Use: Simple controls and easy integration with your RV's electrical system.
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Trusted Cummins Quality: Backed by a brand renowned for its expertise in power solutions.
Q&A
Q: What is the power output?
A: 12.5kW continuous power, single-phase, 120V.
Q: What fuel does it use?
A: It runs on diesel, ideal for RV applications.
Q: Is it reliable for sensitive electronics?
A: Yes, it delivers clean, stable power for electronics.
Q: What cooling system does it have?
A: Liquid-cooled for efficient and quiet operation.
Q: What are the key safety features?
A: Includes safety shutdowns for low oil, high temperature, and overloading.
Q: Is it suitable for large RVs?
A: Yes, it's designed for Class A motorhomes and heavy-duty RV applications.
Q: How quiet is it?
A: Operates at a low noise level with advanced sound-dampening.
Q: Does it meet emission standards?
A: Yes, it complies with EPA and CARB emission regulations.
Q: What is included with the generator?
A: Comes ready for installation with necessary components.
Maintenance Tips
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Oil and Filter: Change oil and replace the filter every 150 hours or annually, whichever comes first.
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Air Filter: Inspect and clean or replace the air filter every 500 hours or sooner in dusty conditions.
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Coolant System: Check coolant level regularly; replace coolant every two years.
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Fuel System: Use clean, high-quality diesel; drain and clean the fuel filter every 500 hours.
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Exhaust: Inspect exhaust system for leaks or damage during routine checks.
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Battery: Keep battery connections tight and clean; ensure proper charge for reliable starts.
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Exercise Generator: Run the generator under load for 2 hours monthly to prevent buildup.
Damage 
Loss 
Theft 
