

Cummins Onan Marine QD 27MDKDU-8252A Generator
$28,000.00
Article number: A051Z350
Product name: Cummins Onan A051Z350
Model: Marine QD 27MDKDU-8252A
Power: 27 kW
Frequency: 50 Hz
Voltage: 12 volts
Speed: 1500 RPM
- Description
Description
New Cummins Onan Marine QD 27MDKDU-8252A Generator for Sale
The Cummins Onan Marine QD 27MDKDU-8252A Generator is a premium 27kW marine diesel generator engineered to provide reliable auxiliary onboard power for luxury yachts, superyachts, expedition vessels, commercial fishing boats, passenger ferries, offshore support vessels, and other demanding marine applications. Built for continuous-duty operation, this marine genset delivers exceptional fuel efficiency, ultra-quiet performance, and dependable electrical output, ensuring your vessel has uninterrupted power wherever your voyage takes you.
As part of the globally trusted Cummins Onan Quiet Diesel (QD) Series, this onboard generator is designed to power today’s sophisticated marine electrical systems, including air-conditioning units, stabilisers, navigation electronics, battery chargers, refrigeration, watermakers, galley appliances, entertainment systems, and other essential hotel loads. Whether you’re replacing an ageing boat generator, modernising your vessel’s marine power system, or installing a new marine auxiliary generator, the QD 27MDKDU-8252A delivers the durability, reliability, and engineering excellence that have made Cummins Onan one of the world’s leading manufacturers of marine power generators.
If you’re comparing the Cummins Onan Marine QD 27MDKDU-8252A price or looking for the Cummins Onan Marine QD 27MDKDU-8252A for sale, this model offers an outstanding combination of quiet operation, dependable performance, and long-term value for anyone planning to buy a Cummins Onan marine generator.
Built on the Proven Cummins Onan Quiet Diesel (QD) Series
The Cummins Onan Marine QD 27MDKDU-8252A belongs to Cummins’ renowned Quiet Diesel (QD) Series, a premium range of marine diesel generators developed specifically for recreational and commercial vessels requiring reliable onboard electrical generation.
Powered by a heavy-duty Kubota marine diesel engine, this vessel generator incorporates freshwater cooling through a heat exchanger, a brushless four-pole alternator, advanced electronic governing, precision voltage regulation, and premium acoustic insulation. Together, these technologies deliver smooth electrical output, low harmonic distortion, excellent fuel economy, minimal vibration, and exceptionally quiet operation. Intelligent onboard diagnostics continuously monitor generator performance to maximise reliability while reducing maintenance requirements.
Backed by Cummins’ extensive global dealer and service network, the Quiet Diesel Series continues to set the benchmark for quiet marine generators, offering dependable electrical power in some of the world’s most demanding marine environments.
Why Choose the Cummins Onan Marine QD 27MDKDU-8252A?
The QD 27MDKDU-8252A offers numerous advantages for both recreational and commercial operators, including:
- 27kW continuous-duty power output
- Proven Quiet Diesel technology
- Fuel-efficient Kubota marine diesel engine
- Ultra-low operating noise and vibration
- Brushless alternator with stable voltage regulation
- Freshwater cooling with heat exchanger
- Reliable power for modern marine electronics
- Advanced electronic monitoring and fault protection
- Compact footprint for easier installation
- Genuine Cummins worldwide parts and service support
Its combination of durability, efficiency, and quiet operation makes it one of the best marine generators available for vessels requiring dependable onboard electrical generation.
Applications
The Cummins Onan Marine QD 27MDKDU-8252A Generator is suitable for:
- Superyachts
- Luxury motor yachts
- Expedition yachts
- Bluewater cruising yachts
- Large sailing yachts
- Catamarans
- Passenger ferries
- Commercial fishing vessels
- Offshore support vessels
- Research vessels
- Government patrol boats
- Professional marine workboats
From powering air-conditioning systems and stabilisers to navigation equipment, communication systems, refrigeration, battery chargers, watermakers, and complete hotel services, this marine auxiliary generator provides dependable electrical power throughout every voyage.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Cummins Onan Marine QD 27MDKDU-8252A |
| Series | Quiet Diesel (QD) Series |
| Rated Output | 27 kW |
| Frequency | 50 Hz |
| Fuel Type | Diesel |
| Engine | Kubota 4-Cylinder Marine Diesel |
| Cooling System | Freshwater cooled with heat exchanger |
| Engine Speed | 1500 RPM |
| Alternator | Brushless, 4-Pole |
| Starting System | Electric Start |
| Generator Type | Marine Diesel Generator |
| Applications | Recreational & Commercial Marine |
Genuine Warranty Coverage
Every new Cummins Onan Marine QD 27MDKDU-8252A Generator is supplied with genuine Cummins manufacturer warranty protection against defects in materials and workmanship when installed and maintained according to Cummins’ published service recommendations.
Using genuine Cummins Onan replacement parts, approved lubricants, and following the recommended maintenance schedule helps maintain warranty coverage while maximising operational reliability, fuel efficiency, and overall service life. Cummins’ extensive worldwide dealer network ensures professional technical assistance and genuine replacement components are always within reach.
Built for Long-Term Dependability
A marine diesel generator is one of the most important investments aboard any vessel. The Cummins Onan Marine QD 27MDKDU-8252A is engineered to provide years of dependable onboard electrical power with minimal maintenance, making it an excellent choice for both private yacht owners and commercial operators.
If you’re evaluating Cummins Onan marine generators for sale, this model stands out for its quiet performance, stable electrical output, fuel-efficient operation, global service support, and exceptional long-term ownership value. Those researching the Cummins Onan Marine QD 27MDKDU-8252A price will appreciate the balance of premium engineering, operational efficiency, and proven marine reliability.
Frequently Asked Questions
Is the Cummins Onan Marine QD 27MDKDU-8252A suitable for offshore cruising?
Yes. Its continuous-duty design and dependable Kubota marine diesel engine make it ideal for offshore cruising, long-range passages, expedition yachts, and commercial marine operations.
Can it replace an older Cummins Onan generator?
In many cases, yes. Replacement suitability depends on your vessel’s available installation space, electrical configuration, and onboard power requirements.
Is it suitable for commercial marine applications?
Absolutely. It is widely used aboard passenger ferries, commercial fishing vessels, offshore support vessels, government patrol boats, and professional marine workboats.
How often should it be serviced?
Routine maintenance should follow Cummins’ recommended service intervals, including oil and filter changes, cooling system inspections, impeller replacement, belt inspections, and scheduled load testing.
Are genuine replacement parts readily available?
Yes. Genuine Cummins Onan replacement parts and factory-authorised technical support are available through Cummins’ worldwide dealer network.
Request a Quote
Whether you’re replacing an existing boat generator, upgrading your vessel’s marine electrical system, or specifying a premium marine diesel generator for a new build, the Cummins Onan Marine QD 27MDKDU-8252A Generator delivers the dependable onboard power, quiet operation, and long-term reliability expected from one of the world’s most respected marine generator manufacturers.
Contact our marine generator specialists today to request a personalised quotation, confirm current availability, discuss worldwide shipping, or receive expert guidance in selecting the right Cummins Onan marine generator for your vessel.




