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250kw 313kVA Silent Diesel Generator

Genset model: DB-250GF

Prime power: 250KW/313KVA

Rated current: 450A

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.

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Introduction Advantages Technical Parameters Applications Choose Us

Dingbo Power 250kW silent diesel generator set is engineered for applications where power reliability, noise control, and durability are critical. As a licensed OEM partner for world-renowned engine and alternator brands, such as Cummins, Perkins, Deutz, Weichai, Shanghai, Yuchai, Stamford, and Leroy-Somer, Dingbo Power builds each unit to meet specific customer requirements.

This model comes in a soundproof enclosure made from 2mm galvanized steel sheet, offering excellent corrosion resistance, rust prevention, and color retention. Inside, 50mm (5cm) high-density sound-absorbing cotton significantly reduces mechanical noise. At 7 meters, noise levels are controlled to ≤75 dB(A) — ideal for residential areas, hospitals, hotels, and construction sites.

The 250kW soundproof genset is equipped with a built-in 8-hour base fuel tank, ensuring continuous operation without frequent refueling. All components are arranged for easy maintenance and remote monitoring readiness.

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.

Diesel generators

Specific Project Cases:

https://www.dbdieselgenerator.com/project-case/

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. Dingbo Power is an authorized OEM system integrator for world-leading engine brands (e.g. Cummins, Perkins, Deutz, Weichai, SDEC, Yuchai) and alternator brands (e.g. Stamford, Leroy-Somer, Marathon).

2. Our 250kW silent diesel generator set achieves noise levels as low as 75 dBA when measured at a distance of 7 meters. This ultra-quiet performance allows the generator to be installed in noise-sensitive environments without disturbing nearby residents, patients, employees, or customers.

3. The soundproof canopy is constructed from 2mm thick galvanized steel sheet. Easy-access doors and removable panels for routine maintenance and inspection.

4. The generator set comes with a built-in bottom fuel tank providing 8 hours of continuous runtime at full load. Eliminates the need for frequent refueling interruptions, especially valuable for remote construction sites, emergency backup scenarios during power outages, and overnight operations.

5. We offer fully customized generator set configurations — from engine brand and alternator brand to control panel type, fuel tank capacity, and optional accessories.

6. The enclosure design includes integrated forklift pockets and heavy-duty lifting lugs. Simplifies loading, unloading, and on-site positioning. Reduces installation time and labor costs, and allows for quick relocation if power demands shift.

Genset model	DB-250GF
Prime Power	250kW / 313kVA
Standby Power	275kW / 344kVA
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（UK） / 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)

Common applications of 250kW soundproof genset

Hospitals & Healthcare Facilities — Continuous backup power for life-saving equipment

Data Centers & IT Hubs — Clean，stable power with low noise for 24/7 operation

Commercial Buildings & Hotels — Silent operation suitable for residential and hospitality areas

Construction Sites — Robust outdoor performance with weatherproof enclosure

Manufacturing & Industrial Plants — Reliable prime power for heavy machinery

Telecommunications Towers — Standby power to maintain network connectivity

Retail Centers & Shopping Malls — Emergency power for lighting, HVAC, and security systems

Events & Outdoor Festivals — Low-noise power for sound-sensitive venues

1. Authorized OEM Partner of World-Leading Brands

As an authorized OEM manufacturer, Dingbo Power is officially recognized by the engine manufacturers such as Cummins, Perkins, Deutz, Weichai, Shangchai, and Yuchai. We also hold OEM authorization for Stamford, Leroy-Somer and other high-quality alternators. This means every generator set we produce is assembled using genuine components directly sourced from these manufacturers, ensuring authentic quality, full warranty coverage, and complete traceability.

2. Tailored Solutions for Every Customer

We understand that no two power generation requirements are the same. Unlike many suppliers offering only off-the-shelf configurations, we provide personalized recommendations based on your specific use case, environmental conditions, noise sensitivity, runtime needs, and budget. Whether you need a prime power unit for continuous operation, a standby generator for emergency backup, or a mobile unit for temporary power, we will help you select the optimal configuration.

3. Manufacturer Direct Pricing

As a factory-direct manufacturer, we eliminate unnecessary middlemen, offering you competitive factory-direct pricing without compromising on quality. You get premium components at a fair price.

4. Comprehensive Quality Assurance

All generator sets are manufactured in compliance with ISO8528 and ISO9001 standards.

Each unit undergoes 100% factory load bank testing before shipment, including full power testing, voltage/frequency regulation verification, and control system functionality testing. Test reports are provided with each shipment for your documentation.

5. Global Shipping & Logistics Support

We have extensive experience in exporting generator sets worldwide and can arrange sea freight, air freight, or courier shipping based on your requirements. We support FOB, CIF, and other trade terms, and our team will handle all export documentation to ensure smooth customs clearance at your end.

6. Responsive Customer Support

From initial inquiry to post-sale support, Dingbo Power is committed to providing prompt, professional service.