Weichai Series 300kW / 375kVA Diesel Generator Set
This series is available in 50Hz and 60Hz configurations. The 50Hz SW400 configuration provides 300kW / 375kVA prime power and 320kW / 400kVA standby power. The 60Hz SW413X configuration provides 300kW / 375kVA prime power and 330kW / 413kVA standby power. Open type and silent type configurations are available to support different installation environments.
- 300kW / 375kVA prime power for industrial and commercial applications.
- 50Hz and 60Hz configurations available for different regional grid requirements.
- Open type and silent type options for flexible installation.
- Integrated SWT control system with monitoring, protection, local/remote start and event logging.
- ATS panel and synchronizing system available for automatic power transfer and multi-unit operation.
- Factory load testing before delivery to verify performance, protection and control functions.
- Suitable for factories, construction sites, mining projects, oilfield facilities, commercial buildings and emergency backup power.
Technical Specifications
| Item | SW400 50Hz Configuration | SW413X 60Hz Configuration |
| Genset Model | SW400 | SW413X |
| Prime Power | 300kW / 375kVA | 300kW / 375kVA |
| Standby Power | 320kW / 400kVA | 330kW / 413kVA |
| Frequency | 50Hz | 60Hz |
| Rated Speed | 1500r/min | 1800r/min |
| Rated Voltage | 380/400/415V | 440/460/480V |
| Power Factor | 0.8 | 0.8 |
| Engine Brand | Weichai | Weichai |
| Engine Model | WP13D385E200 or WP13D385E310 | WP13D385E201 |
| Alternator Rated Power | 320kW / 400kVA | 336kW / 420kVA |
| Phase | 3-phase | 3-phase |
| Insulation Class | Class H | Class H |
| Protection Grade | IP23 | IP23 |
| Standard Ambient Temperature | 40°C | 40°C |
| Altitude Condition | ≤1000m | ≤1000m |
| Humidity Condition | ≤60% | ≤60% |
Note: Power correction may be required when the ambient temperature is higher than 40°C or the altitude is higher than 1000 meters. Excessive humidity may require corresponding protective measures.
Dimensions and Weight
| Configuration | Size (L × W × H) | Weight |
| Open Type | 3400 × 1160 × 1830 mm | 3300 kg |
| Silent Type | 4800 × 1500 × 2240 mm | 4170 kg |
Power Rating Description
| Rating | Description |
| Prime Power (PRP) | Suitable for continuous operation under variable load conditions. 10% overload is allowed for 1 hour in every 12 hours. |
| Standby Power (ESP) | Designed for emergency standby use at an average load rate of 80%, for no more than 500 hours per year. No overload is allowed. |
Factory Testing
Each generator set is tested before delivery. The test process includes 0%, 25%, 50%, 75%, 100% and 110% load tests, as well as static and transient response checks. Protection devices and control systems are also inspected before the generator set leaves the factory.
Control System
The standard SWT single-unit control system provides operation, monitoring and protection functions for the generator set. It is designed to make daily operation easier and improve system reliability.
- LCD screen with key operation
- Multilingual display
- Control and protection functions
- Engine and alternator parameter detection
- Local and remote start
- Multiple communication interfaces available
- Event logs
- IP65 overall protection available
ATS System Optional
An ATS panel can be provided for mains/generator or mains/mains automatic transfer applications. The ATS controller integrates measurement, display and control functions, enabling automatic switching between power sources when required.
- LCD display for ATS status and operation mode
- Voltage and frequency measurement
- Operating parameter settings through the controller
- Fast on-load switching of two power sources, with switching time up to ≤80ms depending on configuration
- Electrical and mechanical interlock design to help prevent short circuit between two power sources
SWT Paralleling System Optional
For larger power projects or systems requiring flexible capacity expansion, SWT can provide a paralleling system for genset-to-genset or genset-to-grid applications. The system can support automatic synchronizing of up to 32 units and can be configured with ATS according to project requirements.
- Automatic start and parallel operation
- Load-based unit start/stop strategy
- One machine one screen design for independent or parallel operation
- Built-in fault detection
- Support for future capacity expansion
- PLC system and touch screen available according to customer requirements
Applications
The SWT Weichai Series 300kW / 375kVA diesel generator set can be used as standby or prime power in a wide range of industrial and commercial power applications.
- Industrial plants and manufacturing facilities
- Factory backup power
- Construction site power supply
- Mining power supply
- Oilfield and energy projects
- Commercial buildings and office complexes
- Hospitals and public facilities
- Telecom infrastructure
- Data center backup power
- Emergency standby power supply
- Temporary power and rental applications
Why Choose SWT
Complete genset integration: SWT focuses on generator set integration, including engine and alternator matching, structural design, control system configuration and complete factory testing.
Project-based configuration: Open type, silent type, ATS, communication modules and synchronizing systems can be configured according to site and application requirements.
Reliable control and protection: The standard control system supports key monitoring and protection functions, helping improve operational safety and ease of use.
Flexible power system design: Single-unit standby systems, automatic transfer systems and multi-unit paralleling systems are available for different power supply requirements.
Factory-tested before delivery: Generator sets are inspected and load-tested before shipment to ensure stable performance and reliable operation.
Standard Accessories
- Engine
- Alternator
- Chassis
- Control box
- Controller for single unit
- Circuit breaker (up to 1200kW)
- Industrial muffler
- Flange of muffler
- Bellow joint
- Shock absorber
- Test report
- Certificate of quality
- Schematic diagram
- Installation manual
- Operation manual
Optional Accessories
- Daily fuel tank / bulk fuel tank
- Residential silencer
- Power cable
- Anti-condensation heater for alternator
- Battery charger
- Water jacket heater
- Oil heater
- Fuel level sensor
- Auto oil make-up device
- Auto fuel filling device
- Soundproof enclosure
- Containerized enclosure
- Trailer
- Exhaust pipe
- Hot air discharge duct
- RS485 extension module
- Ethernet communication
- Cloud monitor
- ATS panel
- Motorized circuit breaker
- Synchronizing system
- Spare parts
FAQ
What is the prime power of this generator set?
The 50Hz and 60Hz configurations both provide 300kW / 375kVA prime power.
What is the standby power?
The 50Hz SW400 configuration provides 320kW / 400kVA standby power. The 60Hz SW413X configuration provides 330kW / 413kVA standby power.
Is this generator set available for both 50Hz and 60Hz markets?
Yes. The SW400 configuration is designed for 50Hz applications, while the SW413X configuration is designed for 60Hz applications.
What voltage options are available?
The 50Hz configuration supports 380/400/415V. The 60Hz configuration supports 440/460/480V.
Is a silent type available?
Yes. Open type and silent type configurations are available.
Can this generator set work with ATS?
Yes. ATS can be supplied as an optional accessory for automatic transfer between mains and generator power.
Can multiple units work in parallel?
Yes. SWT can provide a paralleling system for genset-to-genset or genset-to-grid applications, supporting up to 32 units depending on project requirements.
What tests are performed before delivery?
Each generator set passes load testing at 0%, 25%, 50%, 75%, 100% and 110%, as well as control and protection system inspection before delivery.
