China Cummins Diesel Generators manufacturer
FUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD
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400kw 500kw 1000kw Silent Diesel Generator power solution for industrial applications ensuring continuous operation and low noise levels

400kw 500kw 1000kw Silent Diesel Generator power solution for industrial applications ensuring continuous operation and low noise levels

Minimum Order Quantity 1
Packaging Details 360cm*150cm*246cm
rpm 1500/1800
Payment Terms L/C, T/T
Control System Digital
Frequency 50/60HZ
Model Number DP158LD
Type Silent/Open
Brand Name Doosan
Alternator China Stamford,original Stamford, Leroy Somer
Place of Origin China
Price USD+2646.17
Tank Capacity 920L
Delivery Time 20-30 work days
Rated Power 500kva
Phase 3
Package Plywood, plastic film packing
Certification CE
Power Rating 400kw
Detailed Product Description
Industrial Silent Diesel Generator Solutions
High-performance 400kW, 500kW, and 1000kW silent diesel generator sets designed for industrial applications requiring continuous operation with minimal noise disruption.
Key Features
  • Heavy-duty steel canopy with high-density sound-absorbing materials for quiet operation
  • Integrated bottom fuel tank with automatic start controller for instant power backup
  • 8-hour continuous runtime at 75% load capacity
  • Premium engine options: Doosan, Baudouin, WEICHAI, YUCHAI, SDEC, or YANGDONG
  • Global warranty and comprehensive after-sales support
Our DP158LD model delivers reliable power for industrial and commercial applications with customizable power options to meet specific requirements.
Technical Specifications
Power Ratings
General InformationPrime PowerStandby Power
Rated Power (kVA)500550
Power Rating (kW)400440
Frequency (Hz)50
Engine ModelDP158LD
Engine Speed (RPM)1500
Phase3
PF0.8
Control SystemDigital
Rated Voltage (V)400/230 (According to customer requirements)
Fuel Tank Capacity Operating Time≥ 8h @ 75% load
PRP (Prime Power): Available for unlimited annual hours in variable load applications according to GB/T2820-97 standards. Includes 10% overload capability for 1 hour within 12-hour operation.
ESP (Standby Power): Applicable for supplying emergency power during utility power interruptions. No overload, utility parallel, or negotiated outage operation capability available at this rating.
Dimensions and Weight
ModelBDO550 (Open Type)BDO550S (Silent Type)
Length (L) mm36004500
Width (W) mm15001810
Height (H) mm24602360
Tank Capacity (L)920920
Engine Specifications
SpecificationDetails
Engine Model & ManufacturerDP158LD (DOOSAN)
Engine TypeDiesel, water cooled, Turbo charged & intercooled
Bore x Stroke128 × 142mm
Displacement14.6 liters
Cylinders and ArrangementCast iron, 8 cylinder, Vee-Type
Battery Charging Alternator27.5V x 45A alternator
Starting Voltage24V
Fuel SystemMechanical Injection Pump
Fuel FilterFull flow, cartridge type with water drain valve
Lube Oil Filter TypeFull flow, cartridge type
Lube Oil CapacityMax. 22 liters, Min. 13 liters
Flywheel DimensionsClutch No. 14 M
Dry Weight1155kg (engine only)
Dimension (LxWxH)1274 × 1138 × 1207 mm
Alternator Specifications
SpecificationDetails
Alternator BrandBOBIG
Alternator ManufacturerFUJIAN BOBIG ELECTRIC MACHINERY CO.,LTD
Alternator ModelBW-354D
Alternator Rated Power400kw/500kva
Rated Voltage (V)230v/400v
Rated Frequency50hz
Connecting Type3 Phase and 4 W
Number of Bearing1
Protection GradeIP23
Altitude≤1000m
Exciter TypeBrushless, Self-exciting, AVR automatic voltage regulating, 100% Copper
Insulation ClassH class
Telephone Influence Factor (TIF)≤50
THF≤2%
Voltage Regulation, Steady State≤±1%
Transient State Voltage≤-15%~+20%
Manufacturer Profile
Established in 2004, Fujian Bobig Electric Machinery Co., Ltd. specializes in technological research, production, and sales of electrical machinery. Operating from a 10,000 square meter facility with 160 employees including 20 technicians.
Product Range
Comprehensive product line including air-cooled gasoline generators, air-cooled diesel generators, air-cooled welding & generating sets, and water-cooled diesel generator sets. Known for reliable quality in small air-cooled brushless generators and welding sets.
Quality Commitment
Adhering to "Quality, Creation, Service and Development" principles with continuous technology updates and quality improvements. Advanced testing equipment includes CAD systems, automated assembly equipment, and digital testing systems. ISO9000 Quality System Certified.
International Trade Experience
The 139th Canton Fair April 2026
The 137th Canton Fair April 2025
After Sales Services
  • Customized manufacturing solutions
  • Comprehensive quality control
  • International logistics management
  • Documentation and certification support
  • Trade support services
  • After-sales technical assistance
  • Customer training programs
  • Market support initiatives
  • Technical collaboration opportunities
Frequently Asked Questions
Are you a manufacturer or a trading company?
We are a professional manufacturer with our own factory located in Fujian, China. We welcome facility visits to observe our quality control processes firsthand.
What is the minimum order quantity (MOQ)?
Standard MOQ is 1 set. We offer flexible terms for volume orders and provide competitive pricing for larger projects.
What is the delivery time after order confirmation?
Production time varies by quantity and inventory status. Standard models typically require 20-30 days. We provide precise timelines upon order confirmation.
What payment terms do you offer?
We commonly accept T/T with 30% deposit and 70% balance before shipment. For established relationships, we can discuss alternative terms including L/C.
Do you perform factory inspection before shipment?
Yes, every unit undergoes thorough testing and inspection in our factory before shipment to ensure quality and performance standards.
Product Tags: 400kw silent diesel generator for industrial   500kw low noise diesel generator   1000kw continuous operation diesel generator  
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