1.Genuine Weichai generator sets (with global warranty)
2.Refurbished Weichai generator sets (100% teardown and inspection)
3.Genuine used Weichai generator sets (unteardown and unrepaired)
WeiChai Diesel Generators

Introduction three Weichai products:




Genuine Weichai generator sets
Weichai engines are in a leading position in China, known for their high stability and durability.
As a first-tier Weichai distributor, we offer Weichai generator sets at lower prices and with better after-sales service.
Our generator sets feature 100% copper motors, intelligent control systems, 50℃ radiators, and more.
We sell extensively to Southeast Asian countries and regions and have received widespread acclaim.

Refurbished Weichai generator sets
We offer refurbished Weichai generator sets, with 100% disassembly and repair of the Weichai engine, replacement of worn parts, and installation of a brand-new base tank, muffler, control module, filters, radiator, alternator, starter, PT pump, engine plate, and all hoses.
Our refurbished Weichai generators can achieve 90% of the performance of a new machine, and you only pay half the price of a new one.




Genuine used Weichai generator sets
We offer used original Weichai generator sets that typically have only a few hundred hours of use.
They have already passed their break-in period, are in good working condition, and are available at a lower price.
With the same budget, you can purchase a generator set with higher power or better specifications.
There’s no waiting for production; we can ship the same day.
Before shipping, we will rigorously test the unit and send you a video of the testing process.
WEICHAI generator models & power

Weichai WP2.3 generators
Power: 20kva-50kva, Features: Equipped with Weichai small turbocharged engines and all-copper motors, widely used in farms, breeding farms, air compressors, water pumps, etc.

Weichai WP3.2 generators
Power: 15kva-60kva, Features: 4-cylinder / 3.2L , more powerful, suitable for applications with impact loads or large starting loads, and can operate under high load for extended periods.

Weichai WP4.1 generators
Power: 60kva-110kva, Features: Reinforced cylinder block, stable operation, low vibration and noise, suitable for large water pump units, industrial air compressors, engineering machinery power.

Weichai WP4.6 generators
Power: 110kva-150kva, Features: Constant speed generator, high reliability, simple maintenance, small speed fluctuation and fast voltage recovery when load increases, high cost-effectiveness.

Weichai WP6 generators
Power: 125kva-170kva, Features: Weichai 6-cylinder engine, smooth operation, 50HZ/60HZ, stable operation in high load areas, often used as primary and backup power sources.

Weichai WP7 generators
Power: 180kva-250kva, Features: Adaptable to working conditions with frequent load changes, small voltage and frequency fluctuations during load changes, long service life.

Weichai WP10 generators
Power: 187.5kva-312.5kva, Features: Medium to large power diesel generator sets, suitable for 24/7 continuous load operation, ideal for industrial primary power or large backup power sources.

Weichai WP12 generators
Power: 300kva-375kva, Features: Adaptable to harsh environments such as high temperature, humidity, and dust, equipped with intelligent control system, global after-sales service

Weichai WP13 generators
Power: 375kva-500kva, Features: Suitable for factories, mines, data centers, hospitals, construction sites, etc., especially performing excellently under high power and high load conditions.

Weichai 6M33 generators
Power: 550kva-750kva, Features: Weichai high-power generator sets, equipped with intelligent electronic control system, high fuel efficiency, low fuel consumption, and good noise levels.

Weichai 8M33 generators
Power: 800kva-1000kva, Features: Suitable for high loads, with high stability, ideal for large industrial bases, heavy machinery, medical equipment, and cloud computing centers.

Weichai 12M26 generators
Power: 800kva-1000kva, Features: High-power, high-performance Weichai generator sets, compliant with Euro IV and US EPA emission standards, stable operation in harsh environments.

Weichai 12M33 generators
Power: 1000kva-1500kva, Features: Weichai ultra-high-power generator sets, excellent noise control and strict quality standards, suitable for hospitals, schools, large office buildings.

Weichai 16M33 generators
Power: 1625kva-2000kva, Features: Adopts advanced electronic fuel injection technology and intelligent electronic control system, stable operation under full load, and very low maintenance costs.

Weichai boat generators
Power: 37.5kva-1875kva, Features: High quality Weichai marine generators suitable for salt spray, high temperature, and high humidity, and the entire unit is coated with anti-corrosion paint.
Features of Weichai generators
ELECPRIME Weichai generator sets are renowned for their exquisite assembly craftsmanship and are widely sold in China and Southeast Asian countries and regions.
Our Weichai generators boast advantages such as genuine and accurately rated power output, high-quality assembly, durability, and reliability.
They come with complete certifications, ensuring smooth customs clearance, and feature high parts commonality.
We provide free generator parts within the warranty period, guaranteeing worry-free maintenance and repair.
Components of Weichai generator

Weichai Engine
Brand new Weichai engine, with over 2.2 million units produced and sold, boasting a market share of over 50% in China. Sales figures speak for themselves, demonstrating its stability, durability, and long lifespan.

ELECPRIME Alternator
ELECPRIME 100% copper motor, utilizing Stamford technology, resulting in low energy loss, 230/400V, three-phase, 50Hz/60Hz, high kVA conversion efficiency, and resistance to overheating.

Control System
Typically, our intelligent control system offers a choice between Zhengzhou Zhongzhi and Deep Sea controllers. We can also customize production if you require controllers from other brands.

Fuel System
High-quality fuel pump, fuel filter, and oil-gas separator are used to improve combustion efficiency and meet emission standards. Both base fuel tanks and independent fuel tanks are available.

Cooling System
Using high-quality coolant effectively extends the lifespan of the generator set. Our Weichai generators are equipped with high-quality coolant pumps, radiators, fans, and fan shrouds.

Exhaust System
Your generator set is equipped with high-quality exhaust pipes and mufflers, as well as an efficiently designed exhaust system to improve efficiency and reduce noise. Silent box can also be added.

Electrical System
Weichai generator sets are equipped with power-matched circuit breakers, ATS and cables, automatically starting the generator during power outages and shutting it down automatically when power is restored.

Starting System
We provide high-quality starter motors and battery cables to prevent frequent starting, along with a high-quality 12V battery and a complete battery certificate to ensure smooth shipment and customs clearance.
Applications of Weichai generators
When you need primary or backup power in industrial production, engineering construction, agricultural irrigation, corporate businesses, healthcare facilities, maritime transportation, data centers, or your home, Weichai generator sets can help you.









quality of Weichai generators
Through professional assembly, testing, and other standardized processes, ELECPRIME Weichai generator sets boast top-notch quality and are widely used in industrial, commercial, agricultural, mining, and marine sectors.
Matching components for Weichai generators
We provide you with high-quality ATS (Automatic Transfer Switches), base fuel tanks, independent fuel tanks ranging from 300L to 1000L, cables, air filters, diesel filters, oil filters, soundproof enclosures, distribution boxes, transformers, and all spare parts and maintenance tools for Weichai engines, meeting your power and maintenance needs.














certificates
Our factory has passed ISO 9001 Quality Management System certification. The products are CE certified and inspected by the Classification Society, with relevant marine inspection certificates available.
Customized solutions
We offer highly customized Weichai generator sets, supporting customization of power output, dimensions, weight, appearance, functions, personalized accessories, and intelligent systems. No matter the environment in which you use it, we can customize a generator set that meets your specific needs.
Advantages of ELECPRIME generators








Generators packaging types
Typically, we offer three packaging options for your order. The most common is plastic film packaging. If the machine is relatively small, you can choose to stack them vertically. If your machine needs to be shipped together with other products, wooden crates are usually required. Additionally, if you have the capability to assemble the product yourself, we can also offer you the option of shipping the product unassembled., which can significantly save on shipping costs.

Stretch film packaging
Standard packaging, no heavy objects can be placed on top. Depending on the power rating, one 40HQ container can hold 8-13 units.

Stacked packaging
Saves space, usually suitable for Weichai generator sets under 100kva. Depending on the power rating, one 40HQ container can hold more than 25 units.

Wooden packaging
Usually suitable for shipping small quantities of generator sets. It can share a container with other goods, and other products can be placed on top, effectively protecting the generator.
Shipping and trade terms
EXW:
We deliver the goods at our factory; we are not responsible for subsequent transportation and costs.
FOB:
We are responsible for transporting the goods to a Chinese port and loading them onto the ship; you are responsible for subsequent transportation and customs clearance.
CIF:
Air, sea, and rail transportation options are available. We are responsible for transporting the goods to your country’s airport or port; you are responsible for subsequent customs clearance.
DDP:
Air, sea, and rail transportation options are available. We will be responsible for all transportation and customs clearance costs, and deliver the goods to your door.
After-sales service


Genuine Weichai generator sets
Brand new ELECPRIME Weichai generator sets come with a 12-month or 1000-hour warranty. During the warranty period, genuine original parts are provided free of charge, guaranteeing that the parts quality is consistent with the original equipment. We also conduct regular follow-ups with customers to prevent and address problems promptly.


Refurbished Weichai generator sets
Refurbished ELECPRIME Weichai generator sets come with a 6-month or 500-hour warranty. The appearance is almost identical to a new unit; only the engine is used, but it has been 100% disassembled, repaired, and tested. Performance still reaches 90% of a new unit.


Genuine used Weichai generator sets
Our used original Weichai generator sets come with a 6-month or 500-hour warranty. The engine has not been disassembled or repaired, and it runs stably. They are may be equipped with Stamford, Marathon, Leroy-Somer, or other domestic motors, and typically have several hundred hours of operating time.
Generator set |
engine parameters |
|||||
Generator model |
Power(1500RPM/50HZ) |
Model |
Prime(kW) |
Standby(kW) |
Details |
|
| EPWCA12 | 12kw | 15kva | WP3.2D20E310 | 18 | 20 | check the details |
| EPWCA16 | 16kw | 20kva | WP2.3D25E200 | 23 | 25 | check the details |
| EPWCA16A | 16kw | 20kva | WP3.2D28E310 | 25 | 28 | check the details |
| EPWCA24 | 24kw | 30kva | WP2.3D33E200 | 30 | 33 | check the details |
| EPWCA24A | 24kw | 30kva | WP3.2D36E310 | 33 | 36 | check the details |
| EPWCA30 | 30kw | 37.5kva | WP2.3D40E200 | 36 | 40 | check the details |
| EPWCA30A | 30kw | 37.5kva | WP3.2D44E310 | 40 | 44 | check the details |
| EPWCA40 | 40kw | 50kva | WP2.3D48E200 | 43 | 48 | check the details |
| EPWCA50 | 50kw | 62.5kva | WP4.1D66E200 | 60 | 66 | check the details |
| EPWCA50A | 50kw | 62.5kva | WP4.1D66E310 | 60 | 66 | check the details |
| EPWCA64 | 64kw | 80kva | WP4.1D80E200 | 72 | 80 | check the details |
| EPWCA64A | 64kw | 80kva | WP4.1D84E310 | 76 | 84 | check the details |
| EPWCA80 | 80kw | 100kva | WP4.1D100E200 | 90 | 100 | check the details |
| EPWCA80A | 80kw | 100kva | WP4.1D105E310 | 95 | 105 | check the details |
| EPWCA90 | 90kw | 112.5kva | WP4.1D113E200 | 102 | 113 | check the details |
| EPWCA90A | 90kw | 112.5kva | WP4.6ND120E310 | 108 | 120 | check the details |
| EPWCA100 | 100kw | 125kva | WP6D132E200 | 118 | 132 | check the details |
| EPWCA100A | 100kw | 125kva | WP4.6ND138E310 | 124 | 138 | check the details |
| EPWCA136 | 136kw | 170kva | WP6D167E200 | 150 | 167 | check the details |
| EPWCA120 | 120kw | 150kva | WP6D152E200 | 137 | 152 | check the details |
| EPWCA120A | 120kw | 150kva | WP4.6ND148E310A | 133 | 148 | check the details |
| EPWCA150 | 150kw | 187.5kva | WP10D200E200 | 180 | 200 | check the details |
| EPWCA150A | 150kw | 187.5kva | WP7D185E310 | 167 | 185 | check the details |
| EPWCA180 | 180kw | 225kva | WP10D238E200 | 214 | 238 | check the details |
| EPWCA180A | 180kw | 225kva | WP7D240E310 | 216 | 240 | check the details |
| EPWCA200 | 200kw | 250kva | WP10D264E200 | 238 | 264 | check the details |
| EPWCA200A | 200kw | 250kva | WP7D264E310 | 238 | 264 | check the details |
| EPWCA200B | 200kw | 250kva | WP10D264E350 | 238 | 264 | check the details |
| EPWCA250 | 250kw | 312.5kva | WP10D320E200 | 288 | 320 | check the details |
| EPWCA250A | 250kw | 312.5kva | WP10D320E350 | 288 | 320 | check the details |
| EPWCA318 | 318kw | 397.5kva | WP13D405E200 | 365 | 405 | check the details |
| EPWCA300 | 300kw | 375kva | WP12D353E200 | 318 | 353 | check the details |
| EPWCA300A | 300kw | 375kva | WP13D385E310 | 347 | 385 | check the details |
| EPWCA320 | 320kw | 400kva | WP13D385E200 | 347 | 385 | check the details |
| EPWCA350 | 350kw | 437.5kva | WP13D440E310 | 396 | 440 | check the details |
| EPWCA400 | 400kw | 500kva | WP13D490E310 | 441 | 490 | check the details |
| EPWCA450 | 450kw | 562.5kva | 6M33D572E200 | 515 | 572 | check the details |
| EPWCA545 | 545kw | 681.25kva | 6M33D670E200 | 603 | 670 | check the details |
| EPWCA500 | 500kw | 625kva | 6M33D633E200 | 570 | 633 | check the details |
| EPWCA500A | 500kw | 625kva | 6M33D633E310 | 570 | 633 | check the details |
| EPWCA600 | 600kw | 750kva | 6M33D725E310 | 653 | 725 | check the details |
| EPWCA640 | 640kw | 800kva | 8M33D800E200 | 720 | 800 | check the details |
| EPWCA640A | 640kw | 800kva | 12M26D792E200 | 713 | 792 | check the details |
| EPWCA640B | 640kw | 800kva | 8M33D800E310 | 720 | 800 | check the details |
| EPWCA720 | 720kw | 900kva | 8M33D890E200 | 801 | 890 | check the details |
| EPWCA720A | 720kw | 900kva | 12M26D902E200 | 812 | 902 | check the details |
| EPWCA720B | 720kw | 900kva | 8M33D895E310 | 806 | 895 | check the details |
| EPWCA800 | 800kw | 1000kva | 8M33D975E310 | 878 | 975 | check the details |
| EPWCA800A | 800kw | 1000kva | 12M26D968E200 | 871 | 968 | check the details |
| EPWCA800B | 800kw | 1000kva | 12M33D968E310 | 871 | 968 | check the details |
| EPWCA900 | 900kw | 1125kva | 12M33D1108E200 | 997 | 1108 | check the details |
| EPWCA900A | 900kw | 1125kva | 12M33D1108E310 | 997 | 1108 | check the details |
| EPWCA1000 | 1000kw | 1250kva | 12M33D1210E200 | 1089 | 1210 | check the details |
| EPWCA1000A | 1000kw | 1250kva | 12M33D1240E310 | 1116 | 1240 | check the details |
| EPWCA1100 | 1100kw | 1375kva | 12M33D1320E200 | 1188 | 1320 | check the details |
| EPWCA1100A | 1100kw | 1375kva | 12M33D1320E310 | 1188 | 1320 | check the details |
| EPWCA1200 | 1200kw | 1500kva | 12M33D1500E310 | 1350 | 1500 | check the details |
| EPWCA1300 | 1300kw | 1625kva | 16M33D1580E310 | 1422 | 1580 | check the details |
| EPWCA1400 | 1400kw | 1750kva | 16M33D1680E310 | 1512 | 1680 | check the details |
| EPWCA1500 | 1500kw | 1875kva | 16M33D1800E310 | 1620 | 1800 | check the details |
| EPWCA1600 | 1600kw | 2000kva | 16M33D1980E310 | 1782 | 1980 | check the details |
factory
We have 30 years of experience in manufacturing diesel generator sets and are a first-tier distributor of Weichai Power. We have a close working relationship with Weichai Power, employing professional assembly engineers and Weichai generator technicians. We integrate generator production, sales, and rental services, and our products are sold to more than 30 countries and regions. We produce 3,000 generator sets annually.
Contact Us

ELECPRIME Weichai Generator Set FAQ Guide
We have compiled a guide to frequently asked questions about Weichai generator sets, hoping to assist you in choosing a Weichai generator set.
If you still cannot find the answer to your question, please contact us; we would be happy to help you.
Now, let’s begin reading.
Why choose ELECPRIME Weichai generator sets over other brands?
1. We will recommend the most suitable generator set configuration for you, preventing you from buying an oversized or undersized unit.
2. We adhere to stricter assembly standards to extend the service life of the generator set.
3. We use genuine Weichai original engines with serial numbers, authorization certificates, and a complete set of certificates and reports.
4. The generator’s power rating is accurate and not exaggerated.
5. We can add accessories and customize functions according to your operating environment.
6. 100% factory testing is performed, with continuous load testing for more than 30 minutes, and video recordings are archived for your reference.
7. We provide fast after-sales service, technical support, and free parts support.
8. Our prices are lower than other brands for the same configuration.
How is after-sales service provided if there is a problem with a purchased ELECPRIME Cummins generator?
1. We will provide remote technical support immediately, resolving troubleshooting issues via video calls through WhatsApp/WeChat, etc.
2. You can also record a video of the malfunction or send us pictures, and our technical engineers will provide a solution promptly.
3. If replacement parts are needed, our ELECPRIME Cummins generator parts are globally compatible.
You can purchase replacement parts locally, and we will provide compensation, or we can send the parts to you free of charge via air freight.
Every ELECPRIME generator we sell has a dedicated technical representative who will be responsible for you from start to finish.
What are some common application scenarios for Weichai generator sets?
Weichai generator sets feature a simple structure, are reliable and durable, and are widely used in various industries and scenarios, including industrial manufacturing, construction sites, mining and oil field operations, communication data centers, commercial complexes, hospitals and medical equipment, agricultural production and irrigation, and marine and emergency backup power. They demonstrate strong adaptability to diverse environments.
What is the difference between the rated power and standby power of Weichai generator sets?
Rated power: The maximum output power at which a Weichai generator set can operate continuously for extended periods.
Standby power: The maximum power that a Weichai generator is allowed to output for a short period, mainly used for emergency or backup power.
When purchasing a Weichai generator for long-term use, we recommend choosing based on the rated power.
If you only need to start it occasionally, you can choose based on the standby power.
What is the working principle of Weichai generator sets?
After the Weichai engine starts, it rotates to drive the generator’s rotor at a frequency of 50Hz (1500 rpm) or 60Hz (1800 rpm).
The generator’s stator cuts the magnetic field lines, generating alternating three-phase current through electromagnetic induction.
This current is then connected to a transformer and rectifier to produce direct current, which is then distributed through a power distribution cabinet, completing the process of converting mechanical energy into electrical energy.
What is the difference between the power units kW and kVA for Weichai generator sets?
kW represents the actual working efficiency of a Weichai generator during operation, while kVA represents the electrical power capacity that the Weichai generator can produce at its actual working efficiency.
Generally, you should select a generator set based on its kW rating. If you choose a generator set based on its kVA rating, you should allow for a 10%-20% margin to prevent the generator set from operating under overload conditions for extended periods, which would reduce its lifespan.
What is the typical lifespan of a Weichai generator set?
Through time and market validation, under appropriate power, good operating conditions, and regular maintenance, ELECPRIME Weichai generator sets typically have a service life of 15-20 years or 30,000-40,000 hours.
However, prolonged overloading or harsh operating environments will shorten the generator’s lifespan.
Are Weichai generator sets highly efficient?
Under rated power load, our Weichai generator sets have a fuel efficiency of approximately 203 g/kWh and an electrical energy conversion efficiency of approximately 92%.
For long-term continuous use, we recommend maintaining the load power at around 70%-80% to effectively improve the performance and lifespan of the generator set.
Can Weichai generator sets be used as the primary power source?
Yes, as a top Chinese brand, Weichai generator sets are of top-notch quality and durability.
With appropriate power ratings, they can be used as the primary power source for extended periods.
However, it’s recommended to maintain a 10%-20% power reserve, and avoid large load fluctuations.
If the load varies significantly, it’s advisable to use multiple generator sets in rotation.
Are Weichai generator sets suitable for 24-hour continuous operation?
If you are using the Weichai generator set in environments without a power grid, such as mines, construction sites, or drilling platforms, it must operate continuously for 24 hours.
As long as the generator set is not overloaded, the ventilation is good, and a regular maintenance plan is followed, continuous 24-hour operation will not be a problem.
We recommend adding a large-capacity independent fuel tank to avoid the safety risks associated with refueling at close range while the generator set is running.
How to choose a Weichai generator set with the appropriate power rating?
1. List all the equipment that requires power.
2. Accurately record the rated power (kW) of each device.
3. Accurately determine which devices will operate simultaneously and calculate the total required power (kW).
4. Weichai generator sets typically have a power factor of 0.8. Total power ÷ 0.8 = Required electrical capacity (kVA).
5. A 20% safety margin is recommended for the electrical capacity during use: Total power ÷ 0.8 x 1.2 = Required electrical capacity to purchase (kVA).
6. Purchase a Weichai generator set with the corresponding kVA capacity based on this calculated value.

