Water-Cooled Generator Diesel Weichai Power Generator Price Portable Silent Electric Diesel Generators 650kW 813KVA Genset
The 650kW 813KVA BOBIG WEICHAI diesel generator (Model: 12M26D792E200) delivers reliable, high-performance power for industrial, commercial, and residential applications. Built around the renowned Weichai engine platform, this genset combines advanced engineering with long-term durability to ensure stable operation under demanding load conditions.
- Rated Power: 650kW (813KVA) prime power output, with a standby rating of 715kW (894KVA), suitable for continuous heavy-load operation.
- Frequency: 50Hz standard output, compatible with most industrial and commercial electrical equipment.
- Voltage: 400/230V (customizable according to customer requirements).
- Phase & Power Factor: 3-phase, PF 0.8.
- Engine Model: 12M26D792E200 — a 12-cylinder, V-type, turbocharged and intercooled diesel engine manufactured by WEICHAI.
- Engine Speed: 1500 RPM for smooth, consistent power delivery and reduced component wear.
- Displacement: 31.8L with a bore and stroke of 150 x 150 mm.
- Compression Ratio: 15.7:1.
- Governor Type: Mechanical pump.
- Cooling System: Force water cooling cycle.
- Fuel Consumption: 720 g/kWh at 100% load, 1500 RPM.
- Starter Motor & Charge Alternator: DC 24V.
- Total Lubrication System Capacity: 109L.
- Coolant Capacity (engine only): 83L.
This diesel generator complies with multiple international and national standards, including ISO 8528-5:2018, GB/T2820.5-2009, and CE. These certifications confirm the product's quality, safety, and reliability for global deployment.
- Ambient Temperature: Operates effectively from +5°C to +40°C.
- Altitude: Suitable for use at altitudes up to 1000m.
For operation outside these conditions, our sales team can provide customized solutions to meet your specific environmental requirements.
| Parameter | Prime Power | Standby Power |
|---|---|---|
| Rated Power (kVA) | 813 | 894 |
| Power Rating (kW) | 650 | 715 |
| Frequency (Hz) | 50 | |
| Engine Model | 12M26D792E200 | |
| Engine Speed (RPM) | 1500 | |
| Phase | 3 | |
| PF | 0.8 | |
| Control System | Digital | |
| Rated Voltage (V) | 400/230 (According to customer requirements) | |
| Fuel Tank Capacity Operating Time | ≥ 8h @ 75% load | |
PRP: Prime power is available for an unlimited number of annual hours in variable load application, in accordance with GB/T2820-97. A 10% overload capability is available for a period of 1 hour within a 12-hour operation cycle.
ESP: The standby power rating is applicable for supplying emergency power for the duration of a utility power interruption. No overload, utility parallel, or negotiated outage operation capability is available at this rating.
| Engine Model & Manufacturer | 12M26D792E200 (WEICHAI) |
|---|---|
| Emission Certification | ---- |
| Number of Cylinders | 12 |
| Cylinder Arrangement | In-line |
| Cycle | V-Type |
| Aspiration | Turbocharging and intercooling |
| Bore x Stroke | 150 x 150 mm |
| Cubic Capacity | 31.8 L |
| Compression Ratio | 15.7:1 |
| Prime Power / Speed | 720 kW / 1500 rpm |
| Standby Power / Speed | 800 kW / 1500 rpm |
| Governor Type | Mechanical pump |
| Cooling System | Force Water Cooling Cycle |
| Transient Frequency Deviation | -0.833333333 |
| Total Lubrication System Capacity | 109 L |
| Coolant Capacity (engine only) | 83 L |
| Fuel Consumption | 720 g/kWh @ 100% load, 1500 rpm |
| Starter Motor | DC 24V |
| Charge Alternator | DC 24V |
| Alternator Brand | BOBIG |
|---|---|
| Alternator Manufacturer | FUJIAN BOBIG ELECTRIC MACHINERY CO., LTD |
| Alternator Model | BW-404C |
| Alternator Rated Power | 650kW / 813kVA |
| Rated Voltage (V) | 230V / 400V |
| Rated Frequency | 50Hz |
| Connecting Type | 3 Phase and 4 Wire |
| Number of Bearings | 1 |
| Protection Grade | IP23 |
| Altitude | ≤1000m |
| Exciter Type | Brushless, Self-exciting, AVR automatic voltage regulating, 100% Copper |
| Insulation Class | H Class |
| Telephone Influence Factor (TIF) | ≤50 |
| THF | ≤2% |
| Voltage Regulation, Steady State | ≤±1% |
| Transient State Voltage | ≤-15% ~ +20% |
| Model | BWC894 (Open Type) | BWC894S (Silent Type) |
|---|---|---|
| Length (L) mm | 4500 | 5600 |
| Width (W) mm | 1800 | 2200 |
| Height (H) mm | 2745 | 2550 |
| Tank Capacity (L) | 0 | 0 |
Products are securely packed in plywood cases. Delivery time is typically 10–15 working days after receiving the customer's deposit.
This 650kW diesel generator is ideal for a variety of power supply scenarios:
- Industrial Use: Backup power source for factories, ensuring continuous production during power outages.
- Commercial Buildings: Office buildings, shopping malls, and hotels rely on it to maintain essential services such as lighting, elevators, and security systems.
- Residential Areas: Reliable power for residential communities, especially in areas with unstable power grids.
BOBIG products carry a one-year or 1000-hour warranty (whichever comes first) from the ex-factory date. During the warranty period, we provide free replacement of easy-damageable spare parts caused by production quality or raw material defects. After expiration, cost-price spare parts maintenance is available.
Our professional after-sales service team is available 24/7 to provide technical support, maintenance, and repair services to ensure your peace of mind.
- Brand Reputation: Weichai is a well-known and trusted brand in the diesel generator industry, with a long history of producing high-quality products.
- Quality Assurance: Products are manufactured in strict accordance with international standards, and each generator undergoes rigorous quality inspections before leaving the factory.
- Customization Options: We understand that different customers have different needs. Our team can provide customized solutions based on your specific requirements.
We are an electrical machinery manufacturer integrating technological research, production, and sales. With a total factory area of 10,000 square meters, including 1,000sqm of standard construction area, we employ 160 people, among whom 20 are technicians.
Our main products include gasoline generators, diesel generators from 5–2000kVA, gas generators, pumps, and more. Due to our advanced techniques and devices, rich experience, reliable quality, considerate service, and strong teamwork, we have won a great reputation in the global market.
Adhering to the philosophy of "Quality, Creation, Service and Development," we continuously update technology, improve quality, and provide better service. We also have various advanced equipment to test our products, such as CAD systems, auto assembling & winding & inserting equipment, vacuum dipping systems, and digital testing equipment.
We strictly control product quality, and our company has obtained ISO9000 Quality System Certification. We warmly welcome you to build sincere cooperation with us.
1. What is your MOQ, payment method, and delivery time?
Our MOQ is only 1 set. Payment method is usually 30% T/T as deposit, 70% balance T/T before delivery. Alternatively, 100% L/C, Trade Assurance, PayPal, or Western Union are accepted. Delivery period is normally 10–15 working days after receiving the customer's deposit.
2. Which port do you often use when exporting?
Fuzhou Port, Fujian Province, or as per customer request.
3. Is there any spare parts you can provide along with generators to make maintenance convenient?
We can provide regular engine air filters, water filters, fuel filters, and oil filters to customers for self-maintenance.
4. Can you offer parts to us if we need?
Yes, we can offer parts at any time, not limited to the warranty period. Usually, parts can be sent out within 3–5 days.
5. For voltage, frequency, tank capacity, phase, and color — can you make them according to our requests?
Yes, they can be customized according to your specific needs.
6. If I want to be your products distributor in our country, what is your distribution policy?
We welcome everyone to join us and distribute products worldwide. We can issue authority certificates and sign agreements with you accordingly.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.