In August 2025, Dingbo successfully completed the full process production and testing of six sets of 50kW silent type diesel generator sets, which have been successfully shipped to Poland. This batch of units adopts internationally renowned brand core configurations with excellent performance, providing high reliability power solutions for European customers. This batch of diesel generator sets was signed by our old Polish customer. Last year, we also cooperated with this Polish customer and sold 2 sets of 50kW diesel generator sets. The configuration of the first order is the same as this order. After receiving our generator sets for use, the customer was very satisfied with the quality of our products, so they ordered 6 sets of 50kW diesel generator sets from us at once this year. Thanks for the customer's trust and support in Dingbo. Dingbo will never let down the trust of any customer!
The core power of the 50kW Cummins generator sets shipped this time is the Cummins 4BTA3.9-G2 engine, which is renowned worldwide for its high reliability, low fuel consumption, and long lifespan, ensuring the power source's strength and durability. Matched with it is the Shanghai Stamford GR225E generator, which is known for its excellent electrical performance and stable voltage output, ensuring pure and reliable power quality. The entire system is intelligently controlled by the SmartGen HGM7220N controller, achieving automation functions such as one click start stop, real-time monitoring of multiple parameters, fault alarm and protection. It is easy to operate and safe without worry.

| Prime power: 50KW/63KVA | Stable voltage adjustment rate ≤ ± 0.5% | Frequency adjustment rate ≤ ± 1% |
| Rated voltage: 400/230V | Transient voltage regulation rate ≤ 20~-15% | Transient adjustment rate ≤ ± 10-7% |
| Rated current: 90A | Voltage recovery time ≤ 15S | Frequency stability time ≤ 5S |
| Rated frequency: 50HZ | Volatility ≤ ± 0.5% | Volatility ≤ 0.5% |
| Model:4BTA3.9-G2 | Speed: 1500r/min | Oil Capacity with OP 9006 Oil Pan : High - Low:9.5L-8.5L |
| Type: Four stroke | Speed regulation method: electric control | Coolant Capacity - Engine Only:8.3L |
| Number of cylinders: 4 | Starting method: 24VDC electric starting | Type Injection System:direct injection |
| Prime/Standby power: 58KW/64KW | Bore x Stroke: 102× 120mm | Displacement: 3.9L |
| Aspiration : Turbocharged , Aftercooled | Cooling system: water cooling | Compression ratio: 17.3:1 |
The generators are equipped with a professionally designed soundproof box, which is made of 2mm thick galvanized sheet, with a sturdy and corrosion-resistant structure. After precise acoustic processing, the noise level measured at a distance of 7 meters from the generator is only 75 decibels. This excellent noise reduction feature enables the unit to be widely used in places with strict noise requirements, such as hospitals, schools, hotels, residential areas, data centers, and outdoor activities, minimizing interference with the surrounding environment.
Each diesel generators comes standard with an 8-hour bottom fuel tank. This design not only saves external space and simplifies the installation process, but also achieves long-term uninterrupted operation, meeting customers' core needs for continuous power supply. It is particularly suitable for use as a backup power source or in situations where fuel cannot be replenished in a timely manner.
The generator sets are equipped with a 125A ATS (Automatic Transfer Switch), which can automatically and quickly switch between the main power grid in case of a power failure, ensuring the continuity of power supply for critical loads. This is crucial for ensuring the uninterrupted operation of key sectors such as banking, telecommunications, healthcare, and industrial production.
The six sets of 50kW silent diesel generator sets sent to Poland this time integrate the powerful power of Cummins engines, stable output of Stamford alternators, intelligent management of SmartGen controllers, and combine professional silent technology with convenient long-term fuel tank design, fully demonstrating their comprehensive advantages in reliability, environmental protection, convenience, and intelligence.
If you want to learn more information or purchase a diesel generator set, please feel free to contact us at any time! Email: [email protected].
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