GENERATOR MODEL: EM-W1238
| Gensets | ENGINE | Alternator | Customization | Option | ||||
|---|---|---|---|---|---|---|---|---|
| Rated Power | 1125KVA/900KW | Engine Model | 12M33D1265E201 | Alternator Model | VG-404E | Voltage: | 110V-660V | ATS |
| Standby Power | 1238KVA/990KW | Brand | WEICHAI | Rated power: | 916KW | Phase: | Single Phase/ Three Phases | Remote Control |
| Frequency | 60Hz | Engine Power | 1150KW | Standby Power: | 1260KVA | Alternator: | Stamford/ Leroy Somer/Marathon | Charger |
| Speed | 1800 RPM | Cylinder | 12 | Insulation Class: | H | Control Panel: | Smartgen/Deep sea | Jacket Heater |
| Fuel | Diesel | Fuel Consumption | 203.6 g/kW.h | Protection Class: | IP23 | Fuel Tank Volume: | According To Requirements | Oil Heater |
| Digital Controller | Standard | Displacement | 39.2 L | Trailer | ||||
| Gensets | Download |
|---|---|
| Diesel Generator Set Data Sheet | |
| Engine Data Sheet | |
| Alternator Data Sheet |
The WEICHAI 1125KVA / 900KW Containerized Silent Diesel Generator Set is a high-capacity, turnkey power solution engineered for mission-critical applications where reliable power and low noise emissions are equally non-negotiable. Powered by the WEICHAI 12M33D1265E201 diesel engine—a 12-cylinder, V-type, four-stroke powerhouse with a 150×185 mm bore and stroke delivering 39.2 liters of displacement—this containerized genset delivers prime power at 900kW (1,125kVA) and standby power at 1,012kW (1,265kVA) at 1800 RPM (60Hz).
Housed in a rugged, sound-attenuated ISO-container enclosure, this large silent generator is purpose-built for data centers, healthcare facilities, urban construction sites, dense residential developments, telecommunications infrastructure, and any environment where noise restrictions are strictly enforced. The global silent generator market is projected to grow from $3.22 billion in 2025 to $3.43 billion in 2026 at a CAGR of 6.4%, driven by urbanization and the proliferation of noise-sensitive installations. Against this backdrop, the WEICHAI 1125KVA containerized silent genset offers a strategic alternative—combining proven Weichai reliability with factory-direct pricing and significantly shorter lead times, all while delivering the low-noise performance that modern projects demand.
Silent Containerized Design: Engineered for Noise-Sensitive Environments
The containerized configuration of this large silent generator is the cornerstone of its acoustic performance, delivering operational advantages that directly address the challenges of modern power deployment:
Superior Sound Attenuation – Traditional open-frame generators at full load produce noise levels typically ranging from 95 to 105 dB(A) at one meter. In contrast, this large silent generator is enclosed within a purpose-built, sound-attenuated ISO container that dramatically reduces operational noise. Quality soundproof canopies typically drop operational noise to 65–75 dB at a seven-meter distance—a reduction that transforms a deafening industrial environment into a conversation-friendly workspace. In standard silent canopies, Weichai units typically test at 62–68 dB, making them suitable even for the most stringent urban noise ordinances.
Weather Protection – The ISO-standard container enclosure shields the engine, alternator, and control systems from rain, snow, dust, and extreme temperatures—particularly valuable for outdoor installations in diverse climate zones where exposure would otherwise compromise open-frame equipment.
Rapid Deployment – Pre-wired, pre-plumbed, and fully factory-tested, the containerized large silent generator arrives on-site ready for immediate connection. This plug-and-play capability dramatically reduces installation time—a critical factor in today’s capacity-constrained market.
Space Optimization – Containerized designs offer significant space utilization savings over traditional build designs. For urban construction sites and data center campuses where real estate comes at a premium, a containerized large silent generator eliminates the need for dedicated generator rooms or acoustic barriers.
Logistical Efficiency – The standard container footprint simplifies transport by road, rail, or sea. The unit can be craned directly from truck to foundation without disassembly, reducing logistics costs and simplifying site preparation.
Security – Lockable container doors deter unauthorized access and vandalism, protecting capital investment when the genset is deployed in remote or unstaffed locations.
Integrated Thermal Management – The container enclosure incorporates ventilation systems that ensure adequate airflow for engine cooling and alternator heat dissipation—even at full rated output—while maintaining acoustic integrity.
Why Choose This Containerized Silent Genset?
Proven Reliability – Weichai is China’s leading diesel engine manufacturer, with over 70 years of production history. Weichai engines are known for their robust and straightforward design, which translates to easier repairs and maintenance for local technicians. The 12M33 series has been validated through extensive high-altitude, high-temperature, and cold-weather testing, ensuring performance across diverse operating conditions.
Competitive Pricing – Competitive pricing is Weichai’s most significant advantage. Weichai offers incredible value and reliable performance, making power generation accessible. This large silent generator delivers performance comparable to premium European and North American brands at a fraction of the cost.
Global Serviceability – Weichai maintains a worldwide distribution and service network, ensuring spare parts and technical support remain accessible regardless of deployment location.
Cost-Effective Ownership – Competitive acquisition cost, combined with the engine’s thermal efficiency (≤0.3% oil-fuel consumption ratio) and the container’s reduced civil works requirements, delivers a lower total cost of ownership compared to many alternatives with comparable specifications.
Shorter Lead Times – While major global brands face order backlogs extending to 2027–2028, Weichai offers significantly shorter delivery windows—a critical advantage for projects with tight commissioning schedules.
Compliance and Certification – Manufactured to ISO 8528-1, ISO 8528-5, ISO 3046, and DIN 6271 standards, the unit meets international quality benchmarks, facilitating import and commissioning in regulated markets.
Conclusion
The WEICHAI 1125KVA / 900KW Containerized Silent Diesel Generator Set is a complete, deployable power station that combines Weichai’s engineering excellence with the practical advantages of containerized, sound-attenuated packaging. From its turbocharged, intercooled 12-cylinder engine with 39.2-liter displacement to its robust cooling and lubrication systems, every component is selected for durability, efficiency, and acoustic performance.
For project managers, facility engineers, and procurement professionals seeking a large silent generator that balances performance, reliability, and value in today’s capacity-constrained market, this containerized genset represents a strategic choice. Whether deployed as a primary power source for a remote mining operation, standby protection for a hyperscale data center, or emergency backup for critical healthcare infrastructure, the WEICHAI 1125KVA unit stands ready to deliver quiet, reliable power when the grid cannot—at a price point and delivery timeline that makes business sense in 2026 and beyond.
1.Power by Brand new water cooled diesel engine
2.Brushless alternators (Class H, with AVR)
3.Working condition: 0℃~+40℃ (Antifreeze system needed if below 0℃)
4.Base frame fuel tank for continue 8-10hrs running
5.Digital control panel with auto protection
6.MCCB air circuit breaker for over current shutdown
7.Industrial silencer for silent type generator sets
8.Humanized design, simple operation, easy maintenance
9.Ventilation parts are designed with modular principles
10.Soundproof canopy which lined with sound reducing foam
11.All metal canopy parts are painted by powder foam
12.Glass Panel window
13.Lockable doors on front and back side for easy maintenance
14.Easy maintenance and operation
15.Easy lifting and moving, there is forklift hooks and crane holes on chassis
16.External emergency stop button
17.Steel chassis and anti-vibration pads
18.Includes diesel level sensor information to the controller

EMEAN POWER is a well-established enterprise with three subsidiaries: Fuzhou Emean Electric Machinery Co., Ltd., Fujian Epos Electric Machinery Co., Ltd.and Fujian Epos Technology Co., Ltd. Currently, we have two factories and one factory under construction.
To date, we have established cooperative relationships with more than 10,000 customers, and our business covers more than 100 countries and regions around the world.

Photos of Container Type Diesel Generator Sets



Digital control panel | Electronic Components | Thicken Chassis | Corrosion Resistant Radiator | Solid Damping Foot | Filter |
|---|---|---|---|---|---|
Integrated digital, intelligent technology, compact structure, simple wiring, high reliability. | Cooperate with well-known electronic component manufacturers such as DELIXI and CHINT to provide customers with long-life,high-quality and very accurate machines | 5MM thickened bent chassis, double-layer painting, improve corrosion resistance. Prevent the unit chassis from being corroded | High quality and low noise radiators, with anti-rust paint to add, ensure that your machine will never old, mildew, corrosion resistance, safety. | Solid damping foot is stamping forming by 3-5 mm high strength steel plate, with metal cover to protect rubber. | More than 99.5% of filtration efficiency |

Our alternator: | Other factory alternator: | Our silicon steel sheet: | Other factory alternator: |
|---|---|---|---|
100% copper wire brushless alternator Or original STAMFORD alternator. | Brush alternator with low quality. | Use high quality cold rolled silicon steel sheet | Use low quality hot rolled silicon steel sheet |

Our engine: | Other factory engine: | Our Radiator: | Other Radiator: |
|---|---|---|---|
Branded powerful engine,with global warranty service. | No Certified, no quality guarantee. | High quality and low noise radiators, with anti-rust paint to add, ensure that your machine will never old, mildew, corrosion resistance, safety. | Low quality, high noise radiator, parameter falsification |
We use advanced full welding technology to carefully weld the plates to ensure that the welds are firm and tight without any gaps. We use thickened plates to enhance the overall firmness and stability. The bending arc is extremely natural and smooth without any sense of stiffness. All rounded corners are smooth and flat, with a delicate touch, showing extremely high craftsmanship and exquisite quality.

EMEAN POWER has more than ten years of production experience and has accumulated a wide variety of generator set styles and shapes. In addition, styles and color can be customized according to customer needs.


If you have any questions,please leave your message online,and we will reply you questions once we have received it.