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CE Certified | Factory Direct Pricing | Custom Engineering Available
Reliable Power Solution
Our 20kW 25KVA BOBIG KOFO diesel generator (Model: 4YT23-20D) provides reliable power for industrial, commercial, and residential applications. Backed by the renowned KOFO brand, it delivers high-quality performance and long-term durability.
Key Features & Specifications
Power Performance
Rated Power: 20kW (25KVA)
Frequency: 50Hz standard operation
Phase: 3-phase, 4-wire system
Voltage: 400/230V (customizable)
Engine Excellence
Engine Model: 4YT23-20D (KOFO)
Engine Speed: 1500 RPM
Displacement: 2.31L
Cylinders: 4-cylinder configuration
Operational Specifications
Fuel Consumption: ≤240 g/kW.h
Runtime: ≥8 hours @ 75% load
Control System: Digital controller
Cooling: Force water cooling cycle
Power Ratings
Specification
Prime Power
Standby Power
Rated Power (kVA)
25
28
Power Rating (kW)
20
22
Frequency (Hz)
50
Dimensions & Weight
Model Type
Length (mm)
Width (mm)
Height (mm)
Tank Capacity (L)
Open Type (BW28)
1350
610
1050
46
Silent Type (BW28S)
1850
850
1000
46
Technical Specifications
Engine Details
Engine Model & Manufacturer
4YT23-20D (KOFO)
Air Intake Mode
Natural aspiration
Number of Cylinders
4
Combustion System
Direct injection
Bore × Stroke (mm)
88 × 95
Displacement
2.31L
Cooling System
Force water cooling cycle
Starting Method
Electric start
Net Weight
215 kg
Alternator Specifications
Alternator Brand
BOBIG
Manufacturer
FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD
Alternator Model
BW-184FS
Rated Power
20kW/25kVA
Protection Grade
IP23
Insulation Class
H class
Exciter Type
Brushless, self-exciting with AVR
Voltage Regulation
≤±1% (steady state)
Environmental Adaptability
Ambient Temperature: Operational range of +5°C to +40°C
Altitude: Suitable for use up to 1000m above sea level
Custom solutions available for different environmental conditions
Certifications & Standards
Our generator complies with international standards including:
ISO 8528-5:2018
GB/T2820.5-2009
CE Certification
Applications
Industrial Use: Backup power for factories ensuring continuous production
Commercial Buildings: Power for offices, shopping malls, and hotels
Residential Areas: Reliable power for communities with unstable grids
Customization & Services
We support complete customization and OEM services with design drawings
Standard units equipped with DSE 6120 controller (engine, generator, and controller options available)
Warranty & Support
BOBIG products include a 1-year or 1000-hour warranty (whichever comes first)
Free replacement of defective parts during warranty period
24/7 technical support, maintenance, and repair services available
Why Choose Our Generators
Brand Reputation: KOFO engines are trusted in the industry
Quality Assurance: Rigorous inspections and international standards compliance
Customization Options: Tailored solutions for specific requirements
Factory Direct Pricing: Competitive pricing without intermediaries
Packaging & Shipping
Secure plywood case packaging
Delivery within 10-15 working days after order confirmation
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
8000000-10000000
Employee Number:
120~150
Ecer Certification:
Verified Supplier
Our Catalogue:
BOBIG CATALOGUE 2024-1.pdf
BOBIG POWER Introduction:
BOBIG POWER is a leading company in the production and supply of diesel generator sets. With a history spanning over 20 years, we have established ourselves as a trusted provider of reliable power s... Our Catalogue:
BOBIG CATALOGUE 2024-1.pdf
BOBIG POWER Introduction:
BOBIG POWER is a leading company in the production and supply of diesel generator sets. With a history spanning over 20 years, we have established ourselves as a trusted provider of reliable power s...