Cummins Onan QD 12500 RV Generator 12.5kW Diesel 120V Single Phase Liquid Cooled 12.5HDKCB-11506
The Cummins Onan QD 12500 is a heavy-duty diesel RV generator designed for high-capacity power and extended runtime. Built for permanent installation, this unit delivers stable 120V output suitable for large motorhomes and advanced onboard electrical systems.
Equipped with a liquid-cooled diesel engine, the QD 12500 provides reliable performance, improved fuel efficiency, and consistent operation under continuous load. Its robust construction and proven Onan platform make it a dependable solution for full-time RV use and demanding off-grid applications.
Key Features
- High-output 12.5kW diesel generator for large RV systems
- Liquid-cooled engine for extended runtime and durability
- Stable 120V single phase power output
- Designed for permanent RV installation
- Built for continuous-duty operation
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 |
| Product Width | 24.5 Inches |
| Product Height | 27 Inches |
| UPC | 765053289726 |
| Additional Model Numbers | RV QD 12500, A055E844 |
| Voltage | 120/240 Single-Phase |
| Frequency | 60 Hertz |
| Alternator | Brush |
| Auto Voltage Regulation | Yes |
| Rated Watts | 12500 Watts |
| Fuel Type | Diesel |
| Rated Amps | 52 Amps |
| Diesel Fuel Consumption @ 50% Load | .71 gallons/hr |
| Decibel Rating @ 3m | 70 |
What’s Included
- Cummins Onan QD 12500 Generator
- Pre-installed control components
- Manufacturer documentation
Warranty
Backed by a 3-year Cummins manufacturer warranty.
Mr. Volt Inc. supports all products we sell with service and warranty assistance.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Cummins Onan QD 12500 RV Generator 12.5kW Diesel 120V Single Phase Liquid Cooled 12.5HDKCB-11506
The Cummins Onan QD 12500 is a heavy-duty diesel RV generator designed for high-capacity power and extended runtime. Built for permanent installation, this unit delivers stable 120V output suitable for large motorhomes and advanced onboard electrical systems.
Equipped with a liquid-cooled diesel engine, the QD 12500 provides reliable performance, improved fuel efficiency, and consistent operation under continuous load. Its robust construction and proven Onan platform make it a dependable solution for full-time RV use and demanding off-grid applications.
Key Features
- High-output 12.5kW diesel generator for large RV systems
- Liquid-cooled engine for extended runtime and durability
- Stable 120V single phase power output
- Designed for permanent RV installation
- Built for continuous-duty operation
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 |
| Product Width | 24.5 Inches |
| Product Height | 27 Inches |
| UPC | 765053289726 |
| Additional Model Numbers | RV QD 12500, A055E844 |
| Voltage | 120/240 Single-Phase |
| Frequency | 60 Hertz |
| Alternator | Brush |
| Auto Voltage Regulation | Yes |
| Rated Watts | 12500 Watts |
| Fuel Type | Diesel |
| Rated Amps | 52 Amps |
| Diesel Fuel Consumption @ 50% Load | .71 gallons/hr |
| Decibel Rating @ 3m | 70 |
What’s Included
- Cummins Onan QD 12500 Generator
- Pre-installed control components
- Manufacturer documentation
Warranty
Backed by a 3-year Cummins manufacturer warranty.
Mr. Volt Inc. supports all products we sell with service and warranty assistance.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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