20kW 25KVA BOBIG CUMMIN S Diesel Generator
Model: 4B3.9-G1 - Reliable Power Solution
Product Overview
Our 20kW 25KVA BOBIG CUMMIN S diesel generator (Model: 4B3.9-G1) is engineered to deliver reliable power for diverse applications. Backed by the renowned CUMMIN S brand, it offers superior performance and long-term durability.
Key Features
Power Performance
- Rated Power: 20kW (25KVA) for industrial, commercial, and residential applications
- Stable prime power output ensures continuous operation under heavy loads
- Standard frequency: 50Hz suitable for most electrical equipment
Engine Excellence
- Engine Model: 4B3.9-G1 CUMMIN S engine with advanced technology
- High torque, fuel efficiency, and low emissions
- Engine Speed: 1500 RPM for smooth, consistent power supply
Technical Specifications
| General Information |
Prime Power |
Standby Power |
| Rated Power (kVA) |
25 |
28 |
| Power Rating (kW) |
20 |
22 |
| Frequency (Hz) |
50 |
| Engine Model |
4B3.9-G1 |
| Engine Speed (RPM) |
1500 |
| Phase |
3 |
| PF |
0.8 |
| Control System |
Digital |
| Rated Voltage (V) |
400/230 (Customizable) |
| Fuel Tank Capacity Operating Time |
≥ 8h @ 75% load |
Dimensions and Weight
| Model |
BC28 (Open Type) |
BC28S (Silent Type) |
| Length (mm) |
1600 |
2150 |
| Width (mm) |
720 |
930 |
| Height (mm) |
1300 |
1220 |
| Tank Capacity (L) |
46 |
46 |
Engine Specifications
| Engine Model & Manufacturer |
4B3.9-G1 (Cummin s) |
| Number of Cylinders |
4 |
| Cylinder Arrangement |
In-line |
| Cycle |
Four Stroke |
| Aspiration |
Naturally Aspirated |
| Bore x Stroke |
102 x 120 mm |
| Displacement |
3.9 L |
| Compression Ratio |
17.3:1 |
| Prime Power/Speed |
24 kW/1500 rpm |
| Standby Power/Speed |
27 kW/1500 rpm |
Alternator Specifications
| Alternator Brand |
BOBIG |
| Manufacturer |
FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD |
| Alternator Model |
BW-184FS |
| Rated Power |
20kW/25kVA |
| Rated Voltage |
230V/400V |
| Rated Frequency |
50Hz |
| Connecting Type |
3 Phase and 4 Wire |
| Protection Grade |
IP23 |
Customization & OEM Services
We support customization and OEM services with design drawings. All units feature original power supplies and standard DSE 6120 controller (engine, generator, and controller options available).
Applications
- Industrial Use: Backup power for factories ensuring continuous production
- Commercial Buildings: Power for offices, malls, and hotels maintaining essential services
- Residential Areas: Reliable power for communities with unstable power grids
Quality Certifications
Our generator complies with international standards including ISO 8528-5:2018, GB/T2820.5-2009, and CE certification.
Warranty & Service
BOBIG products include a one-year or 1000-hour warranty (whichever comes first). Our professional after-sales team provides 24/7 technical support, maintenance, and repair services.
Why Choose BOBIG
- Brand Reputation: Cummin s engine technology with proven reliability
- Quality Assurance: Manufactured to international standards with rigorous inspections
- Customization Options: Tailored solutions for specific requirements