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Commercial 4BT3.9-G2 40kVA Cummins Power Generator

1 Set
USD4800.00 to USD5800.00 Per Unit
Commercial 4BT3.9-G2 40kVA Cummins Power Generator
Features Gallery Product Description Request A Quote
Prime Power: 40kVA
Standby Power: 44kVA
Volage: 400/230V
Frequency: 50Hz
Current: 57.7A
Speed: 1500R.P.M.
Noise Level: 75dBA At 7 Meters
Engine: Cummins 4BT3.9-G2
Alternator: Hosem ASF184H
Cooling: Water Cooling
Fuel Tank: 86Litres
Fuel Consumption: 9.3 Litres / Hour At 100% Load
Voltage Regulation: 1%
Control Panel: Automatic Control Panel
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Basic Infomation
Place of Origin: Fuzhou, China
Brand Name: Hosem
Certification: CE, ISO9001, ISO14001, SASO
Model Number: A-C44
Payment & Shipping Terms
Packaging Details: Plastic Foam or Plywood Packing
Delivery Time: 20 Days
Supply Ability: 500 Sets Per Month
Product Description

40kVA Cummins Power Generator Powered by 4BT3.9-G2 Diesel Engine for Commercial


Prime Power: Prime output is available for an unlimited number of annual hours in variable load application, in accordance with GB/T2820-97 (eqv ISO8528); a 10% overload capability is avaiable for a period of 1 hour with a 12-hours period of operation.


Standby Power: The standby output is applicable for supplying emergency power for duration of a utility power interruption. No overlad, utility parallel or negotiated outage operation capability is available at this rating.


Specification of 40kVA Cummins Power Generator: 

Model A-C44
Max. Power kVA 44
kW 35.2
Rate Power kVA 40
kW 32
Frequency Hz 50
Rate Voltage V 400/230
Rate Current A 57.7
Fuel Tank Capacity L 86
Dimension For Open-type Genset mm 1780 X 750 X 1350
Weight For Open-type Genset kg 880
Dimension For Soundproof Genset mm 2300 X 900 X 1250
Weight For Soundproof Generator kg 1200
Noise Level for Soundproof Generator at 7M dBA 72
Battery Two of 80Amps Free Maintenance Battery

30kW Cummins Power Generator Powered by 4BT3.9-G2 Diesel Engine for Commercia

Cummins Diesel Engine: 

  • 4B series Cummins diesel 4 stroke engine with 4 Cylinders in-line, with direct injection and engine regulation via electronic management.
  • Air intake system for combustion with filtering device and filter change indicator; originals from the engine manufacturer. Intake air cooling after the turbo by means of an air/air exchanger.
  • A boiler system with heating element is available as an option.
  • An adjustable thermostat is included to maintain the temperature at optimum range and facilitate the starting of the engine.


Specification of Cummins Diesel Engine: 

Engine Brand Cummins Bore (mm) 102
Model 4BT3.9G2 Stroke (mm) 120.00
R.P.M. 1500 Compression Ratio 17.3 : 1
Max. Power (kWm) 40 Type of Regulation Electric
Fuel Diesel Min. Fuel Consumption 229.00 (g/kW.Hr)
No. of Cylinder 4 Cylinder in line Oil Pan Capacity 11.00
Engine Capacity (L) 3.9 Weight 321kG


30kW Cummins Power Generator Powered by 4BT3.9-G2 Diesel Engine for Commercial

Brushless Alternator: 

Hosem alternator with 4 poles, with a lifetime lasting greased bearing, H class insulation, without brushes, 2/3 coil and AVR (Automatic Voltage Regulator)

Protection of all the windings by means of 2-part high quality polyester resin impregnation. The stator windings receive a double impregnation.

Joining of engine and alternator through flexible disc coupling.

Incorporates electromagnetic emissions suppressor in accordance with standard VDE 0875, class H.

Have Leroy Somer, Marathon, Mecc Alte and Hosem brand brushless alternator for optional.


Specification of Hosem Brushless Alternator: 

Brand Hosem Voltage Stability +-0.5%
Model ASF184H Proformance at 75% p.f 0.8 (%) 87.72
Alternator Power (kVA) 40 Proformance at 100% p.f 0.8 (%) 86
Numbers of Wires 12 Wires Working Temperature without Output Reduction ≤40℃
IP Alternator IP23 Working Altitude without Output Reduction ≤1000m
Exciation System Self Excitation Phase 3 Phase
AVR SX440 Type Brushless

30kW Cummins Power Generator Powered by 4BT3.9-G2 Diesel Engine for Commercial

Supply the 24hours base frame fuel tank for the 40kVA Cummins Power Generator.



Q: What is your MOQ of this item?
A: The Min. order quantity is 1 Set.


Q: What is your payment terms?
A: T/T or L/C payment term.


Q: What is the lead time?
A: 20-25 workings days


Q: Where is your seaport of shipment?
A: Fuzhou, China.


Q: Can I use my own brand name?
A: Yes, OEM and ODM are both supported.


Q: Available colors?
A: White, Blue, Red, Green, Yellow, Gray.


Q: Which markets have you exported before?
A: Southeast Asia, the Middle East, Africa, Europe, South America, Oceania.


Q: Any certifications for your gensets?
A: ISO9001-2008, ISO14001-2004, CE, SASO, SONCAP, RETIE, etc.


Q: What the packing for the diesel generator?
A: Plastis foam packing for container shipment, and plywood packing for LCL shipment. 

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