Used Denyo DCA-400SPK2 400kVA (320kW) Silent Diesel Generator – Warehouse Stock, Pre-Owned, Serviced, Ready for Immediate Dispatch
This listing is for a used Denyo DCA-400SPK2 silent diesel generator, a high-capacity unit from Japan’s premier generator manufacturer. The DCA-400SPK2 is part of Denyo’s heavy-duty DCA series, engineered for demanding industrial applications requiring substantial power output combined with quiet operation. This generator is currently available from our warehouse stock, has been thoroughly inspected, professionally serviced, and load tested to ensure reliable performance – ready for immediate delivery .
Why Choose a Pre-Owned Denyo Generator?
Denyo generators are built to last, with robust construction and premium components designed for extended service life. This used unit delivers the same Japanese engineering excellence at a significantly reduced price—ideal for contractors, mining companies, industrial facilities, and event producers looking to acquire high-capacity reliable power with immediate availability from stock .
Warehouse Stock – Ready to Go
This unit is physically available in our warehouse and can be inspected upon request. No waiting for manufacturing or shipping from overseas – simply inspect, purchase, and deploy to your site .
Heavy-Duty Sound-Attenuated Canopy
Like all Denyo DCA-Series generators, this model features a fully enclosed, soundproof canopy with advanced sound insulation materials. With noise levels of approximately 67–68 dB(A) at 7 meters, it is suitable for noise-sensitive environments including urban construction sites, residential areas, hospitals, and overnight events. The weather-resistant enclosure protects internal components from dust, rain, and harsh site conditions .
Power Output & Engine
The DCA-400SPK2 delivers 400 kVA (320 kW) of robust power at 60Hz (350 kVA / 280 kW at 50Hz), with 3-phase, 4-wire output. It is powered by a heavy-duty Komatsu SA6D140-A diesel engine – a 6-cylinder, 15.24L displacement, turbocharged and aftercooled industrial engine known for exceptional reliability and fuel efficiency in demanding applications .
Large Fuel Capacity for Extended Runtime
Equipped with a massive 490-liter self-contained fuel tank, this generator is designed for continuous operation without frequent refueling – ideal for remote sites and extended projects .
Dual Voltage & Standard Features
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Dual Voltage System: Selectable 190–240V or 380–480V output for versatile international applications
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Frequency Switchable: Can run at either 50Hz or 60Hz (350/400 kVA respectively)
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Fuel Consumption: 52.1 L/h at 50Hz / 60.8 L/h at 60Hz
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Protection Features: Circuit breaker for overload and short circuit protection, emergency stop device
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Excitation System: Brushless with rotating exciter and AVR, voltage regulation within ±1.0%
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Insulation: Class F insulation for enhanced durability
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Control Panel: Comprehensive instrumentation including voltmeter, ammeter, frequency meter, and warning lamps
Condition & Testing
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Condition: Used, with visible signs of prior use (scratches, paint wear) consistent with working industrial equipment
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Warehouse Location: Available for inspection – contact us to arrange a viewing
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Service History: Oil and filter changed, air filter cleaned/replaced, coolant and fuel levels checked
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Tested: Unit has been load tested and operates smoothly, producing stable voltage and frequency
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Hour Meter: Please contact for current hours and specific unit details
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Warranty: Basic warranty included (inquire for details)
Key Specifications:
| Specification | Details |
|---|---|
| Model | Denyo DCA-400SPK2-S |
| Rated Output (60Hz) | 400 kVA (320 kW) continuous / 440 kVA standby |
| Rated Output (50Hz) | 350 kVA (280 kW) continuous / 385 kVA standby |
| Engine | Komatsu SA6D140-A, 6-cylinder, 15.24L, turbocharged/aftercooled |
| Engine Power | 485 PS @ 1800 rpm (60Hz) / 421 PS @ 1500 rpm (50Hz) |
| Voltage | 190–240V / 380–480V (selectable) – 3-phase, 4-wire |
| Frequency | 50/60 Hz switchable via engine speed adjustment |
| Phase | 3-phase / 1-phase available |
| Power Factor | 0.8 (lagging) |
| Fuel Tank Capacity | 490 liters |
| Fuel Consumption | 52.1 L/h at 50Hz / 60.8 L/h at 60Hz |
| Oil Capacity | 74 liters |
| Coolant Capacity | 64 liters |
| Battery | 190H52 × 2 |
| Noise Level | 67 dB(A) @ 7m (50Hz) / 68 dB(A) @ 7m (60Hz) |
| Dimensions (L×W×H) | 4,200 × 1,400 × 2,100 mm |
| Dry Weight | 5,420 kg |
| Excitation System | Brushless with rotating exciter and AVR (±1.0% regulation) |
| Insulation | Class F |
| Mounting | Heavy-duty skid base with lifting points |
Typical Applications:
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Large-scale construction sites and infrastructure projects
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Mining and quarry operations
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Industrial facilities and manufacturing plants
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Data centers and mission-critical facilities
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Hospitals and healthcare facilities (emergency backup)
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Large outdoor events, concerts, and festivals
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Remote job sites and temporary power needs
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Shipyard and port operations
Why Buy from Us?
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Immediate Availability: Warehouse stock – no waiting for manufacturing or international shipping
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Inspection Welcome: View the unit in person before purchase
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Professionally Serviced: Fully checked and serviced by experienced technicians
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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 commissioning






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