Denyo DCA-25LS – 25 kVA Super Silent Diesel Generator

The Denyo DCA-25LS is a low-emission, super-silent 25 kVA diesel generator designed for continuous duty in demanding environments such as construction sites, rental fleets, small commercial buildings and backup power applications. Powered by a reliable Kubota V2403 four-cylinder diesel engine, the 25LS delivers stable output with very low noise levels for its class, thanks to Denyo’s fully enclosed soundproof canopy and advanced vibration-isolated design. It is part of Denyo’s LS (Low-noise / Silent) series, engineered for long service life, easy maintenance and dependable starting even under heavy load.

Key Features

• Rated Output (AC): 20 kVA (50 Hz) / 25 kVA (60 Hz) continuous output

• Rated Output (DC): 11.5 / 14.4 kVA auxiliary DC output

• Engine: Kubota V2403 diesel, 4-cylinder, slow-speed, designed for durability and fuel efficiency

• Frequency: 50 / 60 Hz selectable, suitable for a wide range of equipment and grid standards

• Noise Level: Approx. 59 dB (A) @ 7 m (50 Hz) / 64 dB (A) @ 7 m (60 Hz) – super-silent class, ideal where low noise is required

• Fuel Tank Capacity: 70 L internal diesel tank, integrated in the baseframe

• Continuous Run Time: Around 14.3 hours at 75% load (60 Hz), supporting long operating shifts without refuelling

• Dimensions (L × W × H): Approx. 1,540 × 700 × 950 mm – compact footprint for transport and tight sites

• Operating Weight: Approx. 615 kg – robust, stable and easy to handle with forklift/pallet tines or lifting points

• Canopy & Frame: Heavy-gauge, weatherproof steel enclosure with high-performance sound insulation and anti-corrosion coating, designed for outdoor operation in harsh conditions

• Control & Protection:

  • Electronic governor with isochronous speed control for stable frequency under varying loads (DCA-LS series)

  • Automatic shutdown for low oil pressure, high water temperature, over-current and other abnormal conditions

Typical Applications

• Prime or standby power for warehouses, workshops, small factories and rental fleets

• Backup supply for restaurants, retail shops, commercial buildings and small data/IT rooms

• Quiet, reliable power source for events, construction sites, mobile operations and rural properties