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30KW Dongfeng cummins generator set

Product Advantages

Durability:
The 30KW Dongfeng Cummins generator set is equipped with a highly reliable Type B engine. The generator set features a compact and well-organized structure, small size, and light weight, yet maintains high structural strength. It delivers stable performance even under long-term operating conditions. When maintenance guidelines are strictly followed, the average time between failures can reach 1,500 hours, and the average major overhaul interval can reach 6,000 hours or more. The generator set demonstrates excellent durability, long service life, and strong stability, maintaining reliable operation even under extreme duty-cycle testing conditions.


Excellent Performance:

With an efficient combustion system and optimized power structure, the generator set achieves high power output per unit and high power density. Even small-capacity models deliver strong performance. During operation, it provides stable output, rapid power response, and strong load adaptability, ensuring excellent continuous operation and transient load handling. Additionally, it offers cleaner, quieter, and more fuel-efficient performance, with high combustion efficiency, low fuel consumption, and low operational noise, meeting the needs of multiple power applications.


High Reliability:

The Type B engine is designed to world-class reliability standards. The generator set features excellent system matching, highly stable core components, and scientifically optimized structural design, resulting in a low system failure rate. Even under frequent start-stop cycles, continuous operation, and complex working conditions, it maintains stable operation, fully demonstrating its world-class reliability and ensuring a long-term stable power supply.


Easy Maintenance:

The compact design provides a well-organized layout with ample space for inspection and maintenance. Key components are highly reliable, reducing maintenance frequency. High parts interchangeability, low maintenance costs, and efficient service operations significantly lower maintenance expenses and downtime during long-term use.

Technical Parameters

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Unit power

30 KW

Engine

Dongfeng Cummins 4BT3.9-G2

Generator

Yangzhou Kangcheng KC30-4

 

 

Engine: 4BT3.9-G2

Generator: single bearing, protection rating IP22, insulation class H

Radiator rated for 40°C ambient temperature, cooling fan with safety guard, air filter, fuel filter, and oil filter

Common steel base frame, vibration isolators, standard control panel

24V charging alternator, industrial-grade silencer (muffler) and standard connecting fittings

Maintenance-free lead-acid battery and battery connecting cables

Voltage level

Voltage V

Frequency Hz

Number of phases

Rated current A

Power KW

Power factor

400/230

50

3

54

30

0.8

Engine parameters

Manufacturer/Model

Dongfeng Cummins/4BT3.9-G2

Intake system

Boost

Fuel system

North Oil A Pump/Electronic Speed ​​Regulator

Number of cylinders/arrangement

4-cylinder/inline

Displacement

3.9 L

Compression ratio

18:1

Cylinder bore * stroke

102*120 mm

Rated speed

1500rpm

Engine power (main/spare)

36KW/40KW

Speed control system

Electronic speed control

Fuel system

100% backup power

212  g/kw.h

Basic output power 25%

312 g/kw.h

Basic output power 50%

244 g/kw.h

Basic output power 75%

223 g/kw.h

Basic output power 100%

214 g/kw.h

Lubrication system

Lubricating oil capacity

10.9 L

Cooling system

Coolant capacity

7.2 L

Generator parameters

Number of phases

3

Wiring method

Three-phase four-wire, Y-type interconnection

Number of bearings

1

Power factor

0.8

Protection level

IP22

Altitude requirements

≤1000m

Excitation system

Brushless self-excited magnet

Insulation class/temperature rise class

H/H

Telephone Influence Factor (TIF)

<50

Telephone harmonic coefficient THF

<2%

Unit performance parameters

Voltage setting range

≥±5%

Steady-state voltage regulation

≤±1%

Transient voltage deviation (100% sudden power reduction)

≤+25%

Transient voltage deviation (sudden power increase)

≤-20%

Voltage recovery time (100% sudden power reduction)

≤6S

Voltage recovery time (sudden power increase)

≤6S

Frequency setting range

0-5%

Steady-state frequency band

≤1.5%

Transient frequency deviation (100% sudden power reduction)

≤+12%

Transient frequency deviation (sudden power increase)

≤-10%

Frequency recovery time (100% power drop)

≤5S

Frequency recovery time (sudden power increase)

≤5S

Unit weight

 

Unit size

About Us
Yangzhou Kangcheng Power Equipment Co., Ltd.
Yangzhou Kangcheng Power Equipment Co., Ltd.
Founded in 2003, our enterprise is located in Jiangdu District, Yangzhou, a famous historical and cultural city. It borders the Beijing-Shanghai Expressway to the east, the Nanjing-Nantong Expressway to the south, and the North Jiangdu Exit of the Yangzhou-Liyang Expressway to the north, enjoying convenient transportation access.
Our company specializes in the production of generators and diesel generator sets. Since its establishment, we have remained a qualified manufacturer inspected and certified by the National Internal Combustion Engine Generator Set Quality Supervision and Inspection Center. Our Kangcheng diesel generator sets, ranging from 7KW to 2500KW, adopt world-renowned brand engines including MAN, MTU, Perkins (Rolls-Royce), CUMMINS, IVECO, VOLVO, as well as domestic mainstream engines such as Shanghai Diesel Engine, Weichai Power and Yuchai. They are matched with alternators from Stamford, Marathon, Siemens and other well-known domestic brands.
Our products have passed the inspection of the National Internal Combustion Engine Generator Set Quality Supervision and Inspection Center, and obtained certifications of ISO9001 International Quality Management System and ISO14000 Environmental Management System. We also hold the rights to self-operated import and export, network access qualification from the Ministry of Industry and Information Technology, and network access qualification from the National Radio, Film and Television Administration.
Through the joint efforts of all staff and sustainable development, our company has grown into an integrated enterprise integrating engineering design, marketing, equipment installation, environmental noise reduction and technical services. Adhering to the principle of mutual benefit and win-win results for many years, we have maintained trade and cooperative relations with customers at home and abroad. Convenient transportation networks, advanced production equipment and sound management systems guarantee product quality and drive the rapid and sound development of the company.
We design and manufacture land-use diesel generator sets of various specifications and models. Our products are widely applied in highways, railways, mining operations, industrial enterprises, airports and other fields, providing primary power supply and emergency standby power supply for users in various industries. Our nationwide sales network and after-sales service team cover the whole country. We are committed to serving customers worldwide with high-quality products, rigorous management and thoughtful services.
Certificate Of Honor
  • A transport frame for plate welding
  • A stator baking rack
  • A generator core wire trimmer
  • A generator carbon brush
  • A generator core wire winding device
  • A mechanical clamp
  • A type of core wire conduit
  • A rotor fixing chuck
  • A rotor copper conductor bar
  • ISO9001
  • ISO14001
  • ISO45001
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