Used Denyo 8.4kW Silent Canopy Diesel Generator with Kubota Engine – Japanese Made, In Stock Dongguan, Serviced & Tested
This listing is for a used Denyo 8.4kW diesel generator set, delivering 8.4kW (10.5kVA) of reliable prime power . Powered by a genuine Kubota industrial diesel engine – renowned worldwide for durability and fuel efficiency – and housed in a fully enclosed sound-attenuated canopy, this unit represents the perfect balance of Japanese engineering excellence, compact design, and dependable performance for light to medium-duty industrial and commercial applications. This generator is currently in stock and available for immediate inspection and dispatch from our Dongguan facility in Guangdong, China.
Denyo – Japanese Engineering Excellence
Denyo is renowned worldwide as a leader in the diesel generator market, with approximately 70% market share in Japan and a strong reputation built over 75 years of development . Denyo generators are known for their high-quality power output, capable of safely powering sensitive loads such as thyristors, inverters, and computer systems . Denyo focuses on manufacturing the generator alternator and assembly, while equipping their units with premium Japanese engines from manufacturers like Kubota, ensuring optimal performance and reliability .
Kubota Engine – Legendary Reliability
This generator is powered by a Kubota industrial diesel engine, one of the most trusted names in the industry . Kubota engines are famous for:
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Exceptional durability – Designed for long service life with proper maintenance
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Fuel efficiency – Advanced combustion technology reduces operating costs
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Quiet operation – Engineered for reduced noise levels
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Easy starting – Reliable in all conditions
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Global support – Extensive network of Kubota parts and service worldwide
Quiet Operation – Sound-Attenuated Canopy
This generator features a fully enclosed, sound-attenuated weatherproof canopy that significantly reduces operational noise. Denyo low-noise generators are renowned in the industry for their excellent quiet performance. The DCA Series generators are designed to be extremely quiet when operating at full load, even though all soundproof models are compactly designed . This makes the unit ideal for use in noise-sensitive environments such as:
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Residential areas and neighborhoods
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Commercial buildings and small offices
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Construction sites in urban areas
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Hospitals and healthcare facilities
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Outdoor events and temporary installations
The sturdy weatherproof steel bonnet on a heavy-duty steel skid base protects internal components from dust, rain, and harsh conditions, while allowing easy handling by forklift .
Generator Set Specifications
| Specification | Details |
|---|---|
| Brand | Denyo |
| Model Reference | DCA Series (8.4kW / 10.5kVA Class) |
| Prime Power | 8.4 kW (10.5 kVA) continuous |
| Engine | Kubota industrial diesel – Japanese made (typically D1403 series or equivalent) |
| Engine Configuration | 3 or 4-cylinder, 4-cycle, water-cooled diesel |
| Frequency | 50 Hz / 60 Hz selectable |
| Voltage | 220V / 380V (3-phase, 4-wire) – selectable |
| Alternator | Denyo brushless, with Automatic Voltage Regulator (AVR) |
| Voltage Regulation | Within ±0.5% |
| Excitation System | Brushless, rotating exciter with AVR |
| Insulation | Class F |
| Control Panel | User-friendly instrumentation including voltmeter, ammeter, frequency meter, and warning lamps |
| Enclosure | Sound-attenuated, weatherproof steel canopy |
| Protection Features | Circuit breaker for overload protection, emergency stop device, warning lamps for engine malfunctions |
| Fuel Tank | Integrated base tank for extended runtime |
| Cooling System | Heavy-duty radiator |
| Mounting | Heavy-duty steel skid base with forklift pockets |
| Location | Dongguan, Guangdong, China |
Key Features
Denyo Generator Advantages :
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Japanese engineering – Built to rigorous quality standards with over 75 years of development
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Proven durability – Denyo generators are known to operate reliably for 30+ years with proper maintenance
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Uniform design – Denyo manufactures their own alternators, ensuring complete system compatibility
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Excellent fuel efficiency – Optimized performance reduces fuel consumption
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Durable canopy – 100% high-quality technical steel with anti-vibration frame
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Superior coating – Cationic electrodeposition coating for resistance in harsh environments
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Proven performance – Trusted by military, port operations, and critical applications worldwide
Kubota Engine Advantages:
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Japanese engineering – Built to the highest quality standards
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Proven durability – Designed for long service life with proper maintenance
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Excellent fuel efficiency – Optimized combustion for economical operation
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Reliable starting – Easy starts in all conditions
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Global support – Extensive network of Kubota parts suppliers worldwide
Silent Canopy Advantages :
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Ultra-quiet operation – Ideal for noise-sensitive environments
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Weather protection – Fully enclosed design protects against elements
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Easy transport – Forklift pockets and lifting hook for crane handling
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Security – Lockable doors prevent unauthorized access
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Stackable design – Modular design allows generators to be stacked for efficient storage
Condition & Testing
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Condition: Used, with cosmetic signs of prior service consistent with working industrial equipment
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Stock Status: In stock – available for immediate inspection and dispatch from Dongguan, Guangdong
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Engine Hours: Please contact for current hour meter reading
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Service History: Oil and filter changed, coolant and fuel levels checked, air filter inspected/replaced
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Load Test: Unit has been load bank tested and operates smoothly at rated output
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Canopy Condition: Good condition with functional sound attenuation; weather seals intact
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Inspection: Available for viewing by appointment in Dongguan – serious buyers welcome
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Warranty: Basic warranty included (inquire for details)
Why Choose a Pre-Owned Denyo Generator?
Denyo is one of the world’s most trusted names in generators, with a reputation built over decades of engineering excellence :
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Superior build quality – Japanese manufacturing standards are among the highest in the world
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Proven longevity – Denyo equipment achieves 30+ years of service life with proper maintenance; examples exist of Denyo generators operating reliably for nearly 40,000 hours
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Record-breaking reliability – Denyo has demonstrated 3,740 hours of continuous operation without failure
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Excellent parts availability – Denyo uses common industrial engines like Kubota, ensuring parts availability even for older models
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Strong resale value – Japanese equipment maintains value exceptionally well
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Versatile applications – Suitable for prime power or standby use in demanding environments
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Cost-effective – Significant savings compared to new equipment while delivering the same robust performance
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Immediate availability – In stock and ready for inspection in Dongguan
Typical Applications
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Commercial buildings: Small offices, shops, restaurants backup power
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Construction sites: Power for tools, lighting, site offices
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Industrial facilities: Small workshops, manufacturing, processing facilities
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Healthcare: Small clinics and medical facilities backup
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Telecommunications: Tower and exchange backup power
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Agriculture: Farms, irrigation pumps, outbuildings
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Events: Outdoor events, temporary power needs
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Residential: Large homes, small apartment complexes backup
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Emergency power: Critical equipment backup for banks, hospitals, traffic signals
What’s Included
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Denyo 8.4kW diesel generator unit with Kubota engine
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Sound-attenuated weatherproof canopy
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Industrial control panel with instrumentation
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Base frame with anti-vibration mounts and integrated fuel tank
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Exhaust silencer within canopy
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Operator’s manual and maintenance records (where available)
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Battery set and cables
Options Available (please inquire)
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Trailer mounting – Road-legal trailer for mobility
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Automatic Transfer Switch (ATS) – For automatic backup power
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Remote monitoring – Web-based monitoring and control system
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Extended warranty – Optional coverage beyond standard
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Installation & commissioning – Professional setup services
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Additional fuel tank – For extended runtime requirements
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Delivery – We can arrange transport from Dongguan worldwide
Why Buy from Us?
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Immediate Availability: In stock in Dongguan, Guangdong – ready for inspection and dispatch
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Inspection Welcome: View the unit in person by appointment
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Professionally Serviced: Fully checked and serviced by experienced diesel technicians
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Load Tested: Verified performance at rated output with documentation available
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Competitive Pricing: Significant savings compared to new equipment
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Technical Support: Our team can assist with installation and operation questions
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Shipping: We can arrange delivery worldwide from Dongguan










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