The engine is rarely why a Weichai diesel generator fails its site acceptance test. In most of the failure reports we review, the cause is one of three specification errors: the l...
READ MOREProduct Features
Equipped with direct injection technology, providing excellent starting performance.
Uses Bosch non-road high-pressure common rail system, offering outstanding performance, emissions control, and reliability.
Compact overall structure with low vibration and noise.
A professional team is always available to provide necessary technical support to customers.
High-quality after-sales service and sufficient spare parts supply ensure users have peace of mind.
Technical Parameters
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Unit power |
34KW |
Engine |
Shanghai Diesel Engine 4ZT3.2-G21 |
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Generator |
Yangzhou Kangcheng KC34-4 |
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Engine: 4ZT3.2-G21 |
Generator: single bearing, IP22 protection rating, Class H insulation |
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Radiator rated for 40°C ambient temperature, cooling fan with safety guard, air filter, fuel filter, and oil filter |
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Common steel base frame, vibration isolators, standard control panel |
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24V charging alternator, industrial-grade silencer (muffler), and standard connection fittings |
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Maintenance-free lead-acid battery and battery connecting cables |
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Voltage level |
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Voltage V |
Frequency Hz |
Number of phases |
Rated current A |
Power KW |
Power factor |
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400/230 |
50 |
3 |
61.2 |
34 |
0.8 |
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Engine parameters |
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Manufacturer/Model |
Shanghai Diesel Engine Co., Ltd. / 4ZT3.2-G21 |
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Intake system |
Natural inhalation |
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Fuel system |
BQ inline pump |
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Number of cylinders/arrangement |
4-cylinder/inline |
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Displacement |
3.2L |
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Cylinder bore * stroke |
98*105 mm |
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Compression ratio |
18.5:1 |
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Rated speed |
1500rpm |
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Engine power (main/spare) |
39KW/44KW |
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Speed control system |
Electronic speed control |
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Fuel system |
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Fuel consumption rate |
220 g/kw.h |
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Lubrication system |
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Lubricating oil capacity |
6.5 L |
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Cooling system |
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Coolant capacity |
5.75 L |
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Generator parameters |
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Number of phases |
3 |
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Wiring method |
Three-phase four-wire, Y-type interconnection |
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Number of bearings |
1 |
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Power factor |
0.8 |
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Protection level |
IP22 |
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Altitude requirements |
≤1000m |
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Excitation system |
Brushless self-excited magnet |
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Insulation class/temperature rise class |
H/H |
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Telephone Influence Factor (TIF) |
<50 |
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Telephone harmonic coefficient THF |
<2% |
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Unit performance parameters |
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Voltage setting range |
≥±5% |
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Steady-state voltage regulation |
≤±1% |
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Transient voltage deviation (100% sudden power reduction) |
≤+25% |
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Transient voltage deviation (sudden power increase) |
≤-20% |
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Voltage recovery time (100% sudden power reduction) |
≤6S |
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Voltage recovery time (sudden power increase) |
≤6S |
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Frequency setting range |
0-5% |
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Steady-state frequency band |
≤1.5% |
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Transient frequency deviation (100% sudden power reduction) |
≤+12% |
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Transient frequency deviation (sudden power increase) |
≤-10% |
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Frequency recovery time (100% power drop) |
≤5S |
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Frequency recovery time (sudden power increase) |
≤5S |
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Unit weight |
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Unit size |
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