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4DW Engine
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4DW Engine
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Engine model |
4DW81-23D |
4DW91-29D |
4DW92-35D |
4DW93-42D |
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Type |
in line 4-cylinder 4-stroke |
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Air intake type |
Natural |
Natural |
Turbocharged |
Turbo&intercool |
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Cooling mode |
Water cooling |
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Governor mode |
Mechanical or electronic |
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Bore x Stroke (mm) |
85x100 |
90x100 |
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Compression ratio |
17.1 |
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Rated speed (rpm) |
1500 |
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Displacement (L) |
2.27 |
2.54 |
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Prime power(without fan) (kW) |
17 |
21 |
26 |
31 |
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Standby power(without fan) (kW) |
19 |
23 |
29 |
34 |
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Fuel consumption (L/h) |
4.85 |
6 |
7.11 |
8 |
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Oil consumption (L/h) |
0.05 |
0.05 |
0.04 |
0.04 |
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Steady state speed regulation (%) |
≤5 |
≤5 |
≤5 |
≤5 |
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Oil capacity including filter (L) |
7.8 |
8 |
8 |
8 |
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Emission |
Stage || |
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The flywheel shell interface |
SAE4 |
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Flywheel for 7.5"& 10" flexible coupling |
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Dry weight of base (kg) |
220 |
220 |
240 |
240 |
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Dry weight of Gen Pac (kg) |
240 |
240 |
260 |
280 |
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Overall dimension(base) (mm) |
750x555x680 |
750x555x680 |
750x600x735 |
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Overall dimension(G.P) (mm) |
920x610x760 |
1120x810x760 |
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Fan consumption (kW) |
1.2 |
1.6 |
1.8 |
2 |
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27°C air consumption (m³/min) |
1.4 |
1.7 |
2.1 |
2.4 |
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Heat rejection of exhaust (kW) |
17.2 |
17.4 |
20.6 |
23.1 |
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Exhaust gas temperature after turbine (°C) |
550 |
450 |
450 |
450 |
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Exhaust gas flow (m³/min) |
4.2 |
4.6 |
5.9 |
6.7 |
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Heat rejection from engine (kW) |
1.1 |
1.3 |
1.6 |
1.9 |
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Heat rejection of coolant (kW) |
11 |
13.7 |
16.9 |
17.1 |
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Base configuration |
Standard configuration (add on the base) |
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Engine with fan |
Intake and exhaust system: Air filter and connecting pipes; |
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Alternator 500W 14V |
Connecting flang of exhaust pipe |
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Starter motor 3.5kW 12V |
Cooling system: Radiator with connecting pipes; |
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Fan guard; Belt guard |
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Disclaimer
Manufacturer's names, numbers, symbols, photos and descriptions are used for reference purposes only and it is not implied that the parts referred to are the products of those manufacturers