dingbo@dieselgeneratortech.com
+86 134 8102 4441
Genset model: DB-300GF
Prime power: 300KW/375KVA
Rated current: 540A
Rated frequency: 50Hz/60Hz
Power factor: 0.8lag
Rated voltage: 400/230V (customizable)
Noise level: 75dBA/7m
Transport package: plastic film/ plywood case
For more types, please contact us.
Dingbo 300kW Silent Diesel Generator Set is a high-performance power solution designed for applications where noise control is critical. Built with premium-quality components and housed in a heavy-duty soundproof enclosure, this generator delivers reliable backup and prime power for construction sites, data centers, hospitals, commercial buildings, and industrial facilities.
Key Highlights:
Rated Power: 300kW / 375kVA
Engine Brands: Cummins, Perkins, Deutz, Weichai, Shanghai, Yuchai, etc. (customer-selectable)
Alternator Brands: Stamford, Leroy-Somer, Dingbo, etc. (customer-selectable)
Soundproof Enclosure: 2mm galvanized steel with 5cm acoustic foam
Noise Level: ≤75dB(A) @ 7 meters
Fuel Tank: 8-hour integrated base tank
Why Choose Us
Dingbo is original manufacturer of diesel generator set. Factory direct sale, guaranteed quality and affordable price.
Our diesel generator sets are widely used in telecommunications, energy, transportation, real estate, hospital, residential building, data center and other fields, having long-term strategic cooperation with a lot of well-known enterprises. From research and development to production, from raw material procurement, assembly and processing to finished product debugging and testing, each process is strictly implemented, in all aspects meet the national, industry standards and contract provisions of the quality, specifications and performance requirements.
We have a professional and technical team, with an average working experience of more than 10 years in the generator industry. In the spirit of "keep improving", they actively collect and attract advanced technology and products at home and abroad, and constantly update the products, so that our diesel generators have been recognized by the majority of users.
If a customer can not find his supplier to support them when equipment has problem, after sales service is not guaranteed, which is a very helpless thing. While we have perfect after-sales service to support you to solve problem, it's not that you can't find us after you have a problem on your equipment. We will be with you and solve your problems with heart.
Export Case
So far, our diesel genset sold to Ethiopia, Venezuela, Singapore, Nigeria, Thailand, U.S.A etc. all over the world, both having good feedback from customers.

Specific Project Cases:
FAQ
1. Do you have your own factory?
Yes, we have. Welcome to visit our factory.
2. What is the delivery time and do you have product in stock?
Delivery time depends on order quantity. Generally, within 10 days for open genset, 20 days for silent genset. We have some power capacities in stock, if need details, please contact us.
3. What is your warranty period?
Our warranty is 1 year or 1000running hours whichever comes first. But based on some special project, we can extended our warranty period.
4. Does your generator have global warranty?
Yes, We supply the warranty. Also most of our products like Cummins, Volvo, Perkins, Deutz, Doosan, Yuchai, Weichai etc. power generator enjoy the global warranty service. And the alternator we use like Stamford and marathon also enjoy the global warranty service, so you do not need to worry about the after-sales service.
5. What is your payment terms?
We can accept T/T 30% in advance, and the balance 70% shall be paid before shipment or L/C at sight. But based on some special project and special order, we can do something on payment item.
6. Do you provide OEM service?
Yes, we can put your company logo on our diesel genset, just tell us your requirements, then we will do it for you.
Our Service
Before service
Our professional engineer will give you some consultation of technology and related planning before sale, such as selection of equipment, supporting facilities, the design of equipment room. We can also answer and solve the using problem you faced.
After sale service
1. Free guide to install and debugging
2. Free training and consult
3. Guiding how to protect your equipment
4. We will set up clients' document, tracking service, regular inspection, maintenance for life
5. We offers pure perennial spare parts and maintenance engineers will be ready to provide.
Dingbo Cloud on line service will help you to manage your equipment, save cost and improve efficiency.
1. Superior Noise Reduction
Achieves ≤75 dB(A) at 7 meters with 50mm acoustic foam and optimized airflow design.
2. Rust & Corrosion Resistant Enclosure
Made of 2mm galvanized steel — stronger and more durable than standard painted steel. Resists rust, fading, and weather damage.
3. 8-Hour Integrated Fuel Tank
Base-mounted tank supports full-load operation for 8 hours, reducing downtime and refueling frequency.
4. Flexible Brand Configuration
Choose from high-quality engines such as Cummins, Perkins, Deutz, Weichai, Shanghai, or Yuchai, paired with Stamford, Leroy-Somer or other alternators — all genuine and factory-warranted.
5. Customizable to Application & Budget
We don’t offer just one standard version. Each 300kW set is configured based on your site conditions (altitude, ambient temperature, load profile) and budget.
6. Easy Service Access
Large hinged doors and removable panels allow quick access to engine, alternator, air filter, and control panel.
| Genset model | DB-300GF |
| Prime Power | 300kW / 375kVA |
| Standby Power | 330kW / 413kVA |
| Frequency | 50Hz / 60Hz(Optional) |
| Rated Voltage | 380V / 400V / 415V / 480V(customizable) |
| Power Factor | 0.8(lagging) |
| Phase | 3-Phase 4-Wire |
| Engine Brands | Cummins / Perkins / Deutz / Weichai / SDEC / Yuchai (Optional) |
| Alternator Brands | Stamford / Leroy-Somer / Marathon/Dingbo (Optional) |
| Control Panel | Deep Sea / SmartGen (Optional) |
| Noise Level @ 7m | ≤ 75 dBA |
| Enclosure Material | 2mm Galvanized Steel Sheet |
| Soundproofing Material | 50mm Fireproof Acoustic Absorption Cotton |
| Fuel Tank | Integrated Sub-base Tank, 8-hour Runtime |
| Starting System | Electric Start / Auto Start(ATS Ready) |
| Cooling System | Water-cooled |
| Protection Rating | IP23(Weatherproof & Dustproof) |
Construction Sites – Reliable power for heavy machinery, lighting, and on-site tools in noise-sensitive residential construction zones
Data Centers – Clean, uninterrupted backup power for critical IT infrastructure with minimal noise impact on surrounding offices
Hospitals & Healthcare Facilities – Emergency power for life-saving medical equipment, complying with strict noise ordinances
Hotels & Resorts – Silent operation ensures guest comfort while providing full backup power for hotel operations
Commercial Buildings & Office Complexes – Dependable standby power for elevators, HVAC, lighting, and security systems
Manufacturing Plants & Industrial Facilities – Prime or standby power for production lines in noise-restricted industrial zones
Telecommunications Towers – Remote-site power with low noise footprint and extended runtime for base stations
As an authorized OEM partner for Cummins, Perkins, Deutz, Weichai, Shanghai, Yuchai, Stamford, and Leroy-Somer, etc, Dingbo Power supplies only genuine, factory-original engines and alternators. Each unit comes with complete documentation and full brand warranty coverage. Unlike traders or assemblers who mix counterfeit or refurbished components, we guarantee 100% authenticity.
As a manufacturer, not a trading company, Dingbo Power offers competitive factory-direct pricing. You pay for the product, not the markup. Whether you need a single unit or a fleet of generators, we provide transparent, cost-effective quotes tailored to your budget.
We don’t believe in cookie-cutter solutions. Our engineers work closely with you to understand your specific application, operating environment, noise constraints, and budget, then recommend the optimal configuration to maximize performance and ROI for your project.
Our manufacturing facility is ISO9001 certified. Every generator set undergoes 100% factory load-bank testing before shipment to ensure it meets or exceeds all performance specifications. We adhere to ISO8528-2005 and GB/T2820-2009 standards for reciprocating internal combustion engine-driven alternating current generating sets.
With years of experience in international trade, Dingbo Power has successfully exported diesel generator sets to customers across Southeast Asia, Africa, the Middle East, Europe, and South America. We handle all export documentation, shipping logistics, and customs clearance to ensure a smooth delivery process.
Our 300kW silent diesel generator set comes with a 1-year or 1,000 operating hours warranty (whichever comes first), covering the entire generator set including engine, alternator, and control system. We also provide remote technical support, troubleshooting guidance to keep your generator running at peak performance.
Quicklink
Mob.: +86 134 8102 4441
Tel.: +86 771 5805 269
Fax: +86 771 5805 259
E-mail: dingbo@dieselgeneratortech.com
WhatsApp: +86 134 8102 4441
Add.: No. 10 Kechuang Road, High tech Zone, Nanning, Guangxi, China