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Contact Person : Jenny lai
Phone Number : 13058566006

Soundproof Cummins Diesel Generator , 22KW / 28KVA , 4B3.9-G1

Place of Origin China
Certification ISO9001
Model Number JP-C22S
Minimum Order Quantity 1 unit
Price Negotiable
Packaging Details Open type
Delivery Time 30 days
Payment Terms T/T L/C, 30% deposit,70% before delivery
Supply Ability 100 units/ Per month
Product Details
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standby diesel generator


portable diesel powered generators

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Product Description


1, Model: DCEC Cummins 4B3.9-G1 , 4-cycle

2, Standby Power:22KW / 28KVA  50HZ

3, Prime Power: 20KW / 25KVA 50HZ

4, Air Intake System:Air natural cooled

5, Cylinder Arrangement:4 in line  

6, Rated RPM:1500rpm

7, Governor Type:RSV Mechanical

8, Protection Grade:IP23

9, Connecting Type:3 Phase and 4 Wires, “Y” type connecting


Soundproof Cummins Diesel Generator , 22KW / 28KVA



Standby Power(50Hz) 22KW / 28KVA

Prime Power(50Hz) 20KW / 25KVA



Soundproof Type


Overall Size: 2290(mm)×1060(mm)×1680(mm)

Weight: 1250kg



General Features:


Engine(DCEC Cummins 4B3.9-G1 )

Radiator 50OC max, fans are driven bybelt, with safety guard

24V charge alternator

Alternator: single bearing alternator IP23, insulation class H/H


Dry type air filter, fuel filter, oil filter

Main line circuit breaker

Standard control panel

Two12V batteries, rack and cable

Ripple flex exhaust pipe, exhaust siphon,flange,muffler

User manual





Manufacturer / Model: DCEC Cummins 4B3.9-G1 , 4-cycle

Air Intake System: Air natural cooled

Fuel System: A model fuel pump

Cylinder Arrangement: 4 in line

Displacement: 3.9L

Bore and Stroke: 102*120(mm)

Compression Ratio: 16.5:1

Rated RPM: 1500rpm

Max. Standby Power at Rated RPM: 27KW/36.7HP

Governor Type: RSV Mechanical(Std) / Electronic (Optional)

Exhaust System

Exhaust Gas Flow: 4.27m3/min

Exhaust Temperature: 410℃

Max Back Pressure: 10kPa

Air Intake System

Max Intake Restriction: 5kPa

Burning Capacity: 1.98m3/min

Air Flow: 136m3/min

Fuel System

100%( Prime Power) Load: 228 g/Kw.h

75%(Prime Power) Load: 229 g/Kw.h

50%(Prime Power) Load:: 240 g/Kw.h

100%( Prime Power) Load: 6.3L/h

Oil System

Total Oil Capacity: 11L

Oil Consumption: ≤4g/kwh

Engine Oil Tank Capacity: 9.5L

Oil Pressure at Rated RPM: 345kPa

Cooling System

Total Coolant Capacity: 21L

Thermostat: 82-95℃

Max Water Temperature: 104℃






Compliance with GB755, BS5000, VDE0530, NEMAMG1-22, IED34-1, CSA22.2 and AS1359 standards.



Alternator Data


Number of Phase: 3

Connecting Type: 3 Phase and 4 Wires, “Y” type connecting

Number of Bearing: 1

Power Factor: 0.8

Protection Grade: IP23

Altitude: ≤1000m

Exciter Type: Brushless, self-exciting

Insulation Class, Temperature Rise: H/H

Telephone Influence Factor (TIF): <50

THF: <2%

Voltage Regulation, Steady State: ≤±1%

Alternator Capacity: 27.5KVA

Alternator Efficiencies: 86.2%

Air Cooling Flow: 0.15m3/s





Voltage Regulation: ≥±5%

Voltage Regulation, Stead State: ≤±1%

Sudden Voltage Warp (100% Sudden Reduce): ≤+25%

Sudden Voltage Warp (Sudden Increase): ≤-20%

Voltage Stable Time (100% Sudden Reduce): ≤6S

Voltage Stable Time (Sudden Increase) ≤6S

Frequency Regulation, Stead State: ≤5%

Frequency Waving: ≤1.5%

Sudden Frequency Warp (100% Sudden Reduce): ≤+12%

Sudden Frequency Warp (Sudden Increase): ≤-10%

Frequency Recovery Time (100% Sudden Reduce): ≤5S

Frequency Recovery Time (Sudden Increase): ≤5S




Competitive Advantage:


High Performance of loading       Easy start
Nice protection              User-friendly operation
Low running cost           Environmental            Long service life