Product Overview
The 300kVA 4-Stroke Engine Generator is powered by a reliable Yuchai diesel engine and designed to provide dependable power for industrial, commercial, and standby applications. Featuring advanced fuel injection technology, a robust cooling system, and durable construction, this generator set delivers excellent performance, low operating costs, and long service life.
Whether used as a prime power source or emergency backup system, the 300kVA generator offers stable operation and efficient power generation in demanding environments.

Product Features
High-Efficiency 4-Stroke Diesel Engine
The generator is equipped with a Yuchai four-stroke diesel engine engineered for continuous operation.
- Reliable power output
- Optimized fuel efficiency
- Low exhaust emissions
- Strong load acceptance
- Reduced maintenance requirements
Durable Alternator System
The brushless alternator provides stable electrical performance and dependable operation.
- Automatic voltage regulation
- Low harmonic distortion
- High insulation protection
- Excellent motor starting capability
Intelligent Generator Control
A digital controller continuously monitors operating conditions.
- Real-time parameter display
- Automatic fault protection
- Emergency shutdown functions
- Optional remote monitoring
Flexible Configuration Options
Available in various configurations to meet project requirements.
- Open type generator
- Silent canopy generator
- Trailer-mounted generator
- ATS automatic transfer system
- Parallel operation system
Technical Specifications
| Complete System Specs | Details & Metrics | 4-Stroke Engine & Alternator | Details & Metrics |
| Genset Model | DBD-300YC | Engine Manufacturer | Guangxi Yuchai Machinery |
| Prime Rating | 300 kVA / 240 kW | Engine Cycles / Stroke | 4-Stroke Design |
| Standby Rating | 330 kVA / 264 kW | Aspiration Type | Turbocharged & Intercooled |
| Aspiration / Cylinder | 6-Cylinder in-line | Displacement | Heavy displacement for high block-load |
| Speed & Frequency | 1500 RPM (50Hz) / 1800 RPM (60Hz) | Compression Ratio | Optimized high-compression thermal efficiency |
| Voltage Regulation | AVR (Automatic) $\le \pm1\%$ | Lubricating Oil Capacity | Standard industrial oil sump size |
| Enclosure Types | Soundproof Canopy / Open Frame / Mobile Trailer | Control Architecture | Digital Control (Deep Sea / SmartGen) |
Engineering Advantages of the 300kVA Yuchai 4-Stroke System
The Yuchai 4-stroke engine architecture keeps the lubrication and combustion systems completely separate. This results in significantly lower oil consumption and a much cleaner exhaust profile compared to older technologies. The dedicated power stroke delivers smoother torque delivery, making it exceptionally capable of handling sudden, heavy inductive loads (such as large industrial motors or pumps).
Engineered with high-strength alloy castings and wet-type replaceable cylinder liners, this engine features outstanding heat dissipation. This heavy-duty design allows the 300kVA genset to operate continuously under full load in high-ambient temperature regions (up to 50°C) without power de-rating.
To eliminate structural fatigue and minimize noise transmission, the engine and alternator are cross-bolted to a heavy-gauge steel base frame using high-elasticity rubber shock absorbers. This structural design extends the operational lifespan of internal electronics and control relays.
- Open Type: Compact footprint, ideal for indoor plant rooms with existing ventilation setups.
- Silent Canopy Type: Built from 2mm soundproof steel sheets, finished with outdoor-grade anti-UV powder coating, featuring a $\le$72 dB(A) silent environment at 7 meters-perfect for urban installations.



Applications
Thanks to its robust block-load handling, this 300kVA Yuchai generator is the preferred choice for:
- Commercial Real Estate & Hotels: Paired with an ATS (Automatic Transfer Switch) to instantly protect infrastructure during main grid failures.
- Agricultural Irrigation & Farming: Offers cost-effective, long-running prime power in grid-isolated rural areas.
- Infrastructure Engineering: Supplies reliable, transportable power for continuous road-building, quarry operations, and concrete mixing stations.
OEM & Custom Generator Solutions
We support OEM and ODM projects for distributors, contractors, and engineering companies.
Customization options include:
- Customer branding
- Voltage and frequency customization
- Silent enclosure solutions
- Extended fuel tank options
- ATS integration
- Remote monitoring systems
- Containerized power stations



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