30kva Silent Type Diesel Generator with Cummins engine (4B3.9-G2)
Kaihua was built up in 2003, with registered capital reaching 17 million USD. Its products were exported to 50 more countries. Annual output is over 2000 sets with revenue around 30 million USD in total.
100 people work here, among whom 2/3 are college educated. Engineer team consists of 15 more people with professional electric background. With a complete production line combined with advanced testing center, we ensure to produce high quality and reliable products. CE, ISO9001: 2015, ISO8528 certificates are awarded.
Kaihua aims to provide one stop service for all customers. 3 main products (ie 3~3000kva diesel generator sets, control cabinets, spare parts) total 27 types to cover customer's needs comprehensively.
| Engine brand |
Cummins |
| Engine model |
4B3.9-G2 |
| Number of Cylinders |
4 |
| Cylinder arrangement |
L type |
| Cycle |
Four stroke |
| Aspiration |
Turbocharged |
| Fuel System |
Direct Injection |
| Bore×Stroke (mm×mm) |
102*120 |
| Displacement (Liter) |
3.9 |
| Cooling System |
Water cooled |
| Speed Governor |
Electronic |
| Lube oil Capacity (Liter) |
10.9 |
| Starting Method |
DC 24V electrical starting |
| Coolant Capacity - engine only (Liter) |
7.2 |
| Fuel Consupmtion at full load(100% power load) |
9.3l/h |
| Alternator brand |
Stamford |
| Alternator model |
PI144E |
| Number of Phase |
3 |
| Connecting Type |
3 Phases and 4 Wires |
| Number of Bearing |
Single |
| Protection Grade |
IP23 |
| Altitude |
≤1000m |
| Exciter Type |
Brushless, Self-exciting, AVR &100% Copper winding wire |
|
| Insulation Class |
H |
| Telephone Influence Factor (TIF) |
≤50 |
| Telephone Harmonic Factor(THF) |
≤2% |
| Voltage Regulation, Steady State |
±0.5%~±1.0% |
| Transient State Voltage |
≤-15%~+20% |
Audited Supplier 
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